Built 2026-10-17 (17 October 2026)

Evanston 1 E Weather Records (USC00483100)

Record envelope, standing records and threshold days for Evanston 1 E (USC00483100), Wyoming, United States, with 137 years of record.

Key Facts for Evanston 1 E

  • Evanston 1 E (USC00483100) is a weather station in Wyoming, United States at 41.26 latitude and -110.95 longitude, 2,091 m (6,860 ft) above sea level.
  • The station reports from 1890 to 2026, 137 years of record.
  • 1,464 records set at Evanston 1 E still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Evanston 1 E set a daily record high minimum temperature of 13.9 C (57.0 F) on 18 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Wyoming, United States, 41.26 latitude, -110.95 longitude.
  • Elevation: 2,091 m (6,860 ft).
  • Period of record: 1890 to 2026, 137 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

29 days at or beyond a record
Daily record high and record low at Evanston 1 E, with 2026 drawn through them The band shows the record high and record low for each calendar day at Evanston 1 E. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Evanston 1 E. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Evanston 1 E, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.9 C (57.0 F)-37.2 C (-35.0 F)10.6 C (51.1 F)-18.3 C (-0.9 F)
Feb21.1 C (70.0 F)-38.9 C (-38.0 F)13.9 C (57.0 F)n/a
Mar23.9 C (75.0 F)-34.4 C (-29.9 F)23.9 C (75.0 F)-12.2 C (10.0 F)
Apr27.8 C (82.0 F)-21.7 C (-7.1 F)21.7 C (71.1 F)-15.6 C (3.9 F)
May31.1 C (88.0 F)-12.8 C (9.0 F)27.8 C (82.0 F)-5.0 C (23.0 F)
Jun34.4 C (93.9 F)-7.2 C (19.0 F)30.6 C (87.1 F)-1.1 C (30.0 F)
Jul37.2 C (99.0 F)-4.4 C (24.1 F)35.6 C (96.1 F)2.8 C (37.0 F)
Aug34.4 C (93.9 F)-5.0 C (23.0 F)34.4 C (93.9 F)2.2 C (36.0 F)
Sep33.9 C (93.0 F)-15.0 C (5.0 F)n/an/a
Oct27.8 C (82.0 F)-22.2 C (-8.0 F)n/an/a
Nov20.6 C (69.1 F)-30.0 C (-22.0 F)n/an/a
Dec17.8 C (64.0 F)-36.7 C (-34.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Evanston 1 E by the year they were set 1,464 records at Evanston 1 E still stand. 2025 holds the most, with 31. 0102030401890: 21893: 51898: 121899: 141900: 91901: 71902: 181903: 141904: 51905: 91906: 241907: 81908: 161909: 211910: 91911: 131912: 111913: 191914: 71915: 71916: 161917: 171918: 191919: 101920: 161921: 71922: 181923: 81924: 181925: 31926: 41927: 141928: 71929: 161930: 91931: 131932: 141933: 191934: 61935: 81936: 51937: 91938: 91939: 161940: 111941: 51942: 61943: 101944: 21945: 81946: 41947: 91948: 151949: 131950: 101951: 131952: 161953: 91954: 111955: 201956: 231957: 111958: 81959: 71960: 101961: 91962: 121963: 181964: 91965: 101966: 151967: 41968: 71969: 211970: 101971: 41972: 81973: 81974: 51975: 101976: 71977: 111978: 111979: 141980: 111981: 91982: 61983: 81985: 301986: 181987: 121988: 41989: 141990: 171991: 111992: 171993: 71994: 31995: 91996: 101998: 61999: 112000: 92001: 32002: 52003: 252004: 52005: 52006: 122007: 102008: 72009: 42010: 82011: 62012: 92013: 232014: 92015: 262016: 122017: 142018: 62019: 42020: 112021: 222022: 122023: 82024: 192025: 312026: 311890190919221935194819611974198820022015
1,464 records at Evanston 1 E still stand. 2025 holds the most, with 31.
Standing records at Evanston 1 E by the year they were set
Year setStanding records
18902
18935
189812
189914
19009
19017
190218
190314
19045
19059
190624
19078
190816
190921
19109
191113
191211
191319
19147
19157
191616
191717
191819
191910
192016
19217
192218
19238
192418
19253
19264
192714
19287
192916
19309
193113
193214
193319
19346
19358
19365
19379
19389
193916
194011
19415
19426
194310
19442
19458
19464
19479
194815
194913
195010
195113
195216
19539
195411
195520
195623
195711
19588
19597
196010
19619
196212
196318
19649
196510
196615
19674
19687
196921
197010
19714
19728
19738
19745
197510
19767
197711
197811
197914
198011
19819
19826
19838
198530
198618
198712
19884
198914
199017
199111
199217
19937
19943
19959
199610
19986
199911
20009
20013
20025
200325
20045
20055
200612
200710
20087
20094
20108
20116
20129
201323
20149
201526
201612
201714
20186
20194
202011
202122
202212
20238
202419
202531
202631

All-Time Record Progression

13 new records
When Evanston 1 E set new all-time records 13 all-time records were set at Evanston 1 E between 22 July 1931 and 6 March 2023. Each dot is a new record. Record high maximum temperatureRecord low maximum temperatureRecord high minimum temperatureRecord snow depth22 July 1931: Record high maximum temperature 35.0 C (95.0 F)27 July 1931: Record high maximum temperature 35.6 C (96.1 F)29 January 1951: Record low maximum temperature -18.3 C (-0.9 F)31 January 1979: Record low maximum temperature -20.0 C (-4.0 F)4 July 1985: Record high maximum temperature 36.7 C (98.1 F)7 July 1985: Record high maximum temperature 37.2 C (99.0 F)4 February 1989: Record low maximum temperature -20.6 C (-5.1 F)21 December 1990: Record low maximum temperature -27.2 C (-17.0 F)17 July 2011: Record high minimum temperature 17.2 C (63.0 F)4 July 2013: Record high minimum temperature 17.8 C (64.0 F)22 July 2021: Record high minimum temperature 18.3 C (64.9 F)28 February 2023: Record snow depth 78.7 cm (31.0 in)6 March 2023: Record snow depth 83.8 cm (33.0 in)193519501965198019952010
13 all-time records were set at Evanston 1 E between 22 July 1931 and 6 March 2023. Each dot is a new record.
When Evanston 1 E set new all-time records
DateKindDetail
1931-07-22Record high maximum temperatureRecord high maximum temperature 35.0 C (95.0 F)
1931-07-27Record high maximum temperatureRecord high maximum temperature 35.6 C (96.1 F)
1951-01-29Record low maximum temperatureRecord low maximum temperature -18.3 C (-0.9 F)
1979-01-31Record low maximum temperatureRecord low maximum temperature -20.0 C (-4.0 F)
1985-07-04Record high maximum temperatureRecord high maximum temperature 36.7 C (98.1 F)
1985-07-07Record high maximum temperatureRecord high maximum temperature 37.2 C (99.0 F)
1989-02-04Record low maximum temperatureRecord low maximum temperature -20.6 C (-5.1 F)
1990-12-21Record low maximum temperatureRecord low maximum temperature -27.2 C (-17.0 F)
2011-07-17Record high minimum temperatureRecord high minimum temperature 17.2 C (63.0 F)
2013-07-04Record high minimum temperatureRecord high minimum temperature 17.8 C (64.0 F)
2021-07-22Record high minimum temperatureRecord high minimum temperature 18.3 C (64.9 F)
2023-02-28Record snow depthRecord snow depth 78.7 cm (31.0 in)
2023-03-06Record snow depthRecord snow depth 83.8 cm (33.0 in)

Wettest Day of Each Month

May: 66.8 mm (2.6 in)
Record daily precipitation for each month at Evanston 1 E The wettest day on record for each calendar month at Evanston 1 E. The most was 66.8 mm (2.6 in) on 30 May 1924. 020406080 Jan: 32.5 mm (1.3 in), 12 January 2005 Jan Feb: 50.8 mm (2.0 in), 19 February 2007 Feb Mar: 50.8 mm (2.0 in), 23 March 1899 Mar Apr: 38.1 mm (1.5 in), 2 April 1986 Apr May: 66.8 mm (2.6 in), 30 May 1924 May Jun: 39.6 mm (1.6 in), 9 June 1941 Jun Jul: 48.3 mm (1.9 in), 10 July 2006 Jul Aug: 39.1 mm (1.5 in), 3 August 1926 Aug Sep: 53.3 mm (2.1 in), 28 September 2014 Sep Oct: 36.1 mm (1.4 in), 30 October 1992 Oct Nov: 32.0 mm (1.3 in), 15 November 1958 Nov Dec: 45.7 mm (1.8 in), 22 December 2015 Dec
The wettest day on record for each calendar month at Evanston 1 E. The most was 66.8 mm (2.6 in) on 30 May 1924.
Record daily precipitation for each month at Evanston 1 E
MonthRecord daily precipitation (mm)Date
Jan32.5 mm (1.3 in)12 January 2005
Feb50.8 mm (2.0 in)19 February 2007
Mar50.8 mm (2.0 in)23 March 1899
Apr38.1 mm (1.5 in)2 April 1986
May66.8 mm (2.6 in)30 May 1924
Jun39.6 mm (1.6 in)9 June 1941
Jul48.3 mm (1.9 in)10 July 2006
Aug39.1 mm (1.5 in)3 August 1926
Sep53.3 mm (2.1 in)28 September 2014
Oct36.1 mm (1.4 in)30 October 1992
Nov32.0 mm (1.3 in)15 November 1958
Dec45.7 mm (1.8 in)22 December 2015

Period of Record Coverage

1890 to 2026
Days with data per year at Evanston 1 E 130 years of record at Evanston 1 E, 1890 to 2026. 25 years have data for under 90 percent of days and are left out of rankings: 1890, 1893, 1898, 1983, 1985, 1997, 2001, 2004 and others. 1890: 1 of 365 days1893: 144 of 365 days1898: 261 of 365 days1899: 361 of 365 days1900: 357 of 365 days1901: 362 of 365 days1902: 365 of 365 days1903: 364 of 365 days1904: 366 of 366 days1905: 365 of 365 days1906: 365 of 365 days1907: 358 of 365 days1908: 362 of 366 days1909: 363 of 365 days1910: 362 of 365 days1911: 365 of 365 days1912: 366 of 366 days1913: 364 of 365 days1914: 364 of 365 days1915: 365 of 365 days1916: 366 of 366 days1917: 364 of 365 days1918: 364 of 365 days1919: 363 of 365 days1920: 366 of 366 days1921: 365 of 365 days1922: 364 of 365 days1923: 364 of 365 days1924: 366 of 366 days1925: 364 of 365 days1926: 363 of 365 days1927: 365 of 365 days1928: 365 of 366 days1929: 363 of 365 days1930: 365 of 365 days1931: 361 of 365 days1932: 365 of 366 days1933: 365 of 365 days1934: 364 of 365 days1935: 364 of 365 days1936: 364 of 366 days1937: 364 of 365 days1938: 364 of 365 days1939: 365 of 365 days1940: 366 of 366 days1941: 364 of 365 days1942: 365 of 365 days1943: 365 of 365 days1944: 366 of 366 days1945: 365 of 365 days1946: 365 of 365 days1947: 365 of 365 days1948: 366 of 366 days1949: 334 of 365 days1950: 337 of 365 days1951: 365 of 365 days1952: 366 of 366 days1953: 365 of 365 days1954: 364 of 365 days1955: 363 of 365 days1956: 363 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 363 of 365 days1960: 348 of 366 days1961: 365 of 365 days1962: 341 of 365 days1963: 364 of 365 days1964: 364 of 366 days1965: 361 of 365 days1966: 363 of 365 days1967: 332 of 365 days1968: 366 of 366 days1969: 362 of 365 days1970: 364 of 365 days1971: 363 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 345 of 365 days1976: 364 of 366 days1977: 364 of 365 days1978: 364 of 365 days1979: 363 of 365 days1980: 366 of 366 days1981: 359 of 365 days1982: 334 of 365 days1983: 148 of 365 days1985: 316 of 365 days1986: 355 of 365 days1987: 358 of 365 days1988: 365 of 366 days1989: 361 of 365 days1990: 364 of 365 days1991: 355 of 365 days1992: 339 of 366 days1993: 350 of 365 days1994: 359 of 365 days1995: 356 of 365 days1996: 357 of 366 days1997: 324 of 365 days1998: 361 of 365 days1999: 361 of 365 days2000: 331 of 366 days2001: 324 of 365 days2002: 354 of 365 days2003: 336 of 365 days2004: 328 of 366 days2005: 332 of 365 days2006: 320 of 365 days2007: 327 of 365 days2008: 271 of 366 days2009: 239 of 365 days2010: 229 of 365 days2011: 225 of 365 days2012: 274 of 366 days2013: 321 of 365 days2014: 313 of 365 days2015: 299 of 365 days2016: 292 of 366 days2017: 328 of 365 days2018: 320 of 365 days2019: 341 of 365 days2020: 350 of 366 days2021: 319 of 365 days2022: 326 of 365 days2023: 311 of 365 days2024: 361 of 366 days2025: 358 of 365 days2026: 237 of 365 days1900192019401960198020002020
130 years of record at Evanston 1 E, 1890 to 2026. 25 years have data for under 90 percent of days and are left out of rankings: 1890, 1893, 1898, 1983, 1985, 1997, 2001, 2004 and others.
Days with data per year at Evanston 1 E
YearDays with dataShare of yearComplete
189010%No
189314439%No
189826172%No
189936199%Yes
190035798%Yes
190136299%Yes
1902365100%Yes
1903364100%Yes
1904366100%Yes
1905365100%Yes
1906365100%Yes
190735898%Yes
190836299%Yes
190936399%Yes
191036299%Yes
1911365100%Yes
1912366100%Yes
1913364100%Yes
1914364100%Yes
1915365100%Yes
1916366100%Yes
1917364100%Yes
1918364100%Yes
191936399%Yes
1920366100%Yes
1921365100%Yes
1922364100%Yes
1923364100%Yes
1924366100%Yes
1925364100%Yes
192636399%Yes
1927365100%Yes
1928365100%Yes
192936399%Yes
1930365100%Yes
193136199%Yes
1932365100%Yes
1933365100%Yes
1934364100%Yes
1935364100%Yes
193636499%Yes
1937364100%Yes
1938364100%Yes
1939365100%Yes
1940366100%Yes
1941364100%Yes
1942365100%Yes
1943365100%Yes
1944366100%Yes
1945365100%Yes
1946365100%Yes
1947365100%Yes
1948366100%Yes
194933492%Yes
195033792%Yes
1951365100%Yes
1952366100%Yes
1953365100%Yes
1954364100%Yes
195536399%Yes
195636399%Yes
1957365100%Yes
1958365100%Yes
195936399%Yes
196034895%Yes
1961365100%Yes
196234193%Yes
1963364100%Yes
196436499%Yes
196536199%Yes
196636399%Yes
196733291%Yes
1968366100%Yes
196936299%Yes
1970364100%Yes
197136399%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
197534595%Yes
197636499%Yes
1977364100%Yes
1978364100%Yes
197936399%Yes
1980366100%Yes
198135998%Yes
198233492%Yes
198314841%No
198531687%No
198635597%Yes
198735898%Yes
1988365100%Yes
198936199%Yes
1990364100%Yes
199135597%Yes
199233993%Yes
199335096%Yes
199435998%Yes
199535698%Yes
199635798%Yes
199732489%No
199836199%Yes
199936199%Yes
200033190%Yes
200132489%No
200235497%Yes
200333692%Yes
200432890%No
200533291%Yes
200632088%No
200732790%No
200827174%No
200923965%No
201022963%No
201122562%No
201227475%No
201332188%No
201431386%No
201529982%No
201629280%No
201732890%No
201832088%No
201934193%Yes
202035096%Yes
202131987%No
202232689%No
202331185%No
202436199%Yes
202535898%Yes
202623765%No

Latest Records

20
Latest records at Evanston 1 E
DateStationRecordValueBeat old record byOld record stoodSignificance
18 August 2026Evanston 1 E, USdaily high min (Provisional)13.9 C (57.0 F)0.6 C (1.1 F)48 years25 of 100 (Routine)
12 August 2026Evanston 1 E, USdaily high min15.0 C (59.0 F)1.1 C (2.0 F)23 years19 of 100 (Routine)
11 August 2026Evanston 1 E, USdaily high min14.4 C (57.9 F)0.5 C (0.9 F)4 years12 of 100 (Routine)
10 August 2026Evanston 1 E, USdaily high max (Tie)32.2 C (90.0 F)tie65 years7 of 100 (Routine)
9 August 2026Evanston 1 E, USdaily high max (Tie)32.8 C (91.0 F)tie56 years6 of 100 (Routine)
7 August 2026Evanston 1 E, USmonthly high max (Tie)34.4 C (93.9 F)tie85 years11 of 100 (Routine)
3 August 2026Evanston 1 E, USmonthly high max (Tie)34.4 C (93.9 F)tie85 years11 of 100 (Routine)
2 August 2026Evanston 1 E, USmonthly high max (Tie)34.4 C (93.9 F)tie85 years11 of 100 (Routine)
1 August 2026Evanston 1 E, USdaily high max (Tie)32.2 C (90.0 F)tie76 years8 of 100 (Routine)
31 July 2026Evanston 1 E, USdaily high max33.9 C (93.0 F)0.6 C (1.1 F)37 years22 of 100 (Routine)
30 July 2026Evanston 1 E, USdaily high max (Tie)33.3 C (91.9 F)tie125 years10 of 100 (Routine)
27 July 2026Evanston 1 E, USall-time high min (Tie)18.3 C (64.9 F)tie5 years7 of 100 (Routine)
21 July 2026Evanston 1 E, USdaily high min (Tie)16.7 C (62.1 F)tie9 years3 of 100 (Routine)
16 July 2026Evanston 1 E, USdaily high max34.4 C (93.9 F)0.5 C (0.9 F)65 years30 of 100 (Routine)
14 July 2026Evanston 1 E, USdaily high max34.4 C (93.9 F)0.5 C (0.9 F)24 years18 of 100 (Routine)
13 July 2026Evanston 1 E, USdaily high max35.6 C (96.1 F)1.7 C (3.1 F)24 years22 of 100 (Routine)
12 July 2026Evanston 1 E, USdaily high max35.6 C (96.1 F)1.2 C (2.2 F)4 years14 of 100 (Routine)
23 June 2026Evanston 1 E, USdaily high min13.9 C (57.0 F)0.6 C (1.1 F)9 years13 of 100 (Routine)
18 May 2026Evanston 1 E, USdaily rain21.6 mm (0.9 in)7.9 mm (0.31 in)29 years20 of 100 (Routine)
13 May 2026Evanston 1 E, USdaily high max27.8 C (82.0 F)1.1 C (2.0 F)29 years20 of 100 (Routine)

Climate Trend

100 complete years, 1899 to 2025
Annual mean temperature at Evanston 1 E as warming stripes, 1899 to 2025 One stripe for each of 100 complete years at Evanston 1 E, 1899 to 2025. Blue stripes are years cooler than the station's own mean of 4.6 C (40.4 F); red stripes are warmer. The coolest year was 1951, at 2.3 C (36.1 F), and the warmest was 2025, at 7.7 C (45.8 F). The strongest colour marks a difference of 3.1 C (5.6 F). 1899: 3.5 C, -1.2 C from the station mean1900: 4.6 C, -0.1 C from the station mean1901: 4.5 C, -0.1 C from the station mean1902: 4.1 C, -0.5 C from the station mean1903: 3.5 C, -1.1 C from the station mean1904: 4.7 C, 0.0 C from the station mean1905: 4.6 C, 0.0 C from the station mean1906: 4.4 C, -0.2 C from the station mean1907: 5.0 C, +0.4 C from the station mean1908: 3.9 C, -0.7 C from the station mean1909: 3.9 C, -0.7 C from the station mean1910: 5.8 C, +1.2 C from the station mean1911: 3.7 C, -1.0 C from the station mean1912: 3.2 C, -1.4 C from the station mean1913: 3.8 C, -0.9 C from the station mean1914: 4.7 C, 0.0 C from the station mean1915: 4.4 C, -0.2 C from the station mean1916: 3.5 C, -1.2 C from the station mean1917: 3.6 C, -1.0 C from the station mean1918: 4.8 C, +0.1 C from the station mean1919: 4.7 C, +0.1 C from the station mean1920: 3.7 C, -0.9 C from the station mean1921: 5.4 C, +0.7 C from the station mean1922: 3.4 C, -1.2 C from the station mean1923: 3.2 C, -1.4 C from the station mean1924: 3.7 C, -0.9 C from the station mean1925: 4.8 C, +0.2 C from the station mean1926: 5.2 C, +0.5 C from the station mean1927: 4.1 C, -0.6 C from the station mean1928: 4.1 C, -0.5 C from the station mean1929: 3.9 C, -0.7 C from the station mean1930: 4.1 C, -0.5 C from the station mean1931: 5.0 C, +0.4 C from the station mean1932: 3.5 C, -1.2 C from the station mean1933: 4.4 C, -0.2 C from the station mean1934: 5.9 C, +1.2 C from the station mean1935: 4.1 C, -0.5 C from the station mean1936: 4.9 C, +0.3 C from the station mean1937: 4.3 C, -0.4 C from the station mean1938: 4.2 C, -0.5 C from the station mean1939: 4.5 C, -0.2 C from the station mean1940: 5.4 C, +0.7 C from the station mean1941: 4.5 C, -0.1 C from the station mean1942: 3.6 C, -1.0 C from the station mean1943: 5.2 C, +0.5 C from the station mean1944: 4.1 C, -0.6 C from the station mean1945: 4.1 C, -0.6 C from the station mean1946: 4.3 C, -0.3 C from the station mean1947: 3.9 C, -0.8 C from the station mean1948: 3.1 C, -1.5 C from the station mean1951: 2.3 C, -2.4 C from the station mean1953: 4.6 C, 0.0 C from the station mean1954: 4.9 C, +0.3 C from the station mean1955: 2.9 C, -1.8 C from the station mean1956: 3.1 C, -1.6 C from the station mean1957: 3.2 C, -1.4 C from the station mean1958: 5.0 C, +0.4 C from the station mean1959: 4.4 C, -0.3 C from the station mean1961: 4.6 C, 0.0 C from the station mean1963: 5.4 C, +0.7 C from the station mean1964: 3.5 C, -1.2 C from the station mean1965: 4.4 C, -0.3 C from the station mean1966: 4.8 C, +0.2 C from the station mean1968: 4.2 C, -0.4 C from the station mean1969: 4.9 C, +0.3 C from the station mean1970: 4.2 C, -0.4 C from the station mean1971: 4.1 C, -0.6 C from the station mean1972: 4.6 C, -0.1 C from the station mean1973: 4.0 C, -0.7 C from the station mean1974: 4.7 C, +0.1 C from the station mean1976: 4.9 C, +0.2 C from the station mean1977: 5.7 C, +1.0 C from the station mean1978: 4.7 C, 0.0 C from the station mean1979: 4.7 C, 0.0 C from the station mean1980: 5.4 C, +0.7 C from the station mean1981: 6.4 C, +1.8 C from the station mean1982: 4.1 C, -0.6 C from the station mean1986: 6.2 C, +1.6 C from the station mean1987: 5.6 C, +1.0 C from the station mean1988: 5.8 C, +1.2 C from the station mean1989: 5.6 C, +1.0 C from the station mean1990: 5.8 C, +1.2 C from the station mean1991: 5.4 C, +0.8 C from the station mean1993: 3.6 C, -1.0 C from the station mean1994: 5.9 C, +1.3 C from the station mean1995: 5.6 C, +0.9 C from the station mean1996: 5.4 C, +0.8 C from the station mean1998: 5.2 C, +0.6 C from the station mean1999: 5.5 C, +0.9 C from the station mean2002: 5.2 C, +0.6 C from the station mean2003: 6.4 C, +1.7 C from the station mean2004: 5.4 C, +0.7 C from the station mean2005: 5.6 C, +0.9 C from the station mean2007: 6.0 C, +1.4 C from the station mean2013: 6.5 C, +1.8 C from the station mean2017: 6.1 C, +1.5 C from the station mean2019: 4.5 C, -0.1 C from the station mean2020: 6.0 C, +1.3 C from the station mean2024: 6.8 C, +2.1 C from the station mean2025: 7.7 C, +3.0 C from the station mean1899191019201930194019501960197019801990200020102020
One stripe for each of 100 complete years at Evanston 1 E, 1899 to 2025. Blue stripes are years cooler than the station's own mean of 4.6 C (40.4 F); red stripes are warmer. The coolest year was 1951, at 2.3 C (36.1 F), and the warmest was 2025, at 7.7 C (45.8 F). The strongest colour marks a difference of 3.1 C (5.6 F).
Annual mean temperature at Evanston 1 E as warming stripes, 1899 to 2025
YearAnnual mean temperatureDifference from the station mean
18993.5 C-1.18 C
19004.6 C-0.09 C
19014.5 C-0.12 C
19024.1 C-0.51 C
19033.5 C-1.15 C
19044.7 C+0.03 C
19054.6 C-0.04 C
19064.4 C-0.25 C
19075.0 C+0.39 C
19083.9 C-0.73 C
19093.9 C-0.72 C
19105.8 C+1.18 C
19113.7 C-0.98 C
19123.2 C-1.44 C
19133.8 C-0.88 C
19144.7 C+0.00 C
19154.4 C-0.21 C
19163.5 C-1.18 C
19173.6 C-1.01 C
19184.8 C+0.12 C
19194.7 C+0.05 C
19203.7 C-0.93 C
19215.4 C+0.73 C
19223.4 C-1.25 C
19233.2 C-1.41 C
19243.7 C-0.94 C
19254.8 C+0.16 C
19265.2 C+0.50 C
19274.1 C-0.58 C
19284.1 C-0.51 C
19293.9 C-0.71 C
19304.1 C-0.52 C
19315.0 C+0.35 C
19323.5 C-1.20 C
19334.4 C-0.24 C
19345.9 C+1.24 C
19354.1 C-0.53 C
19364.9 C+0.26 C
19374.3 C-0.40 C
19384.2 C-0.48 C
19394.5 C-0.19 C
19405.4 C+0.74 C
19414.5 C-0.13 C
19423.6 C-1.01 C
19435.2 C+0.53 C
19444.1 C-0.58 C
19454.1 C-0.56 C
19464.3 C-0.33 C
19473.9 C-0.77 C
19483.1 C-1.51 C
19512.3 C-2.39 C
19534.6 C-0.04 C
19544.9 C+0.25 C
19552.9 C-1.77 C
19563.1 C-1.57 C
19573.2 C-1.45 C
19585.0 C+0.39 C
19594.4 C-0.30 C
19614.6 C-0.03 C
19635.4 C+0.73 C
19643.5 C-1.18 C
19654.4 C-0.27 C
19664.8 C+0.15 C
19684.2 C-0.42 C
19694.9 C+0.28 C
19704.2 C-0.42 C
19714.1 C-0.60 C
19724.6 C-0.10 C
19734.0 C-0.67 C
19744.7 C+0.08 C
19764.9 C+0.24 C
19775.7 C+1.01 C
19784.7 C+0.00 C
19794.7 C+0.04 C
19805.4 C+0.71 C
19816.4 C+1.76 C
19824.1 C-0.57 C
19866.2 C+1.55 C
19875.6 C+0.96 C
19885.8 C+1.15 C
19895.6 C+0.97 C
19905.8 C+1.16 C
19915.4 C+0.75 C
19933.6 C-1.04 C
19945.9 C+1.26 C
19955.6 C+0.92 C
19965.4 C+0.77 C
19985.2 C+0.57 C
19995.5 C+0.88 C
20025.2 C+0.55 C
20036.4 C+1.70 C
20045.4 C+0.72 C
20055.6 C+0.94 C
20076.0 C+1.35 C
20136.5 C+1.84 C
20176.1 C+1.48 C
20194.5 C-0.15 C
20206.0 C+1.33 C
20246.8 C+2.12 C
20257.7 C+3.03 C

The annual mean temperature here has risen by 0.2 C (0.1 to 0.2) per decade over 1899 to 2025. In Fahrenheit: 0.3 F (0.2 to 0.4) per decade. The slope is a straight line fitted to 100 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Evanston 1 E
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.2 C (0.1 to 0.2) per decade0.3 F (0.2 to 0.4) per decade1899 to 2025100Rise
Mean daily maximum0.2 C (0.1 to 0.2) per decade0.3 F (0.2 to 0.4) per decade1899 to 2025100Rise
Mean daily minimum0.2 C (0.1 to 0.2) per decade0.3 F (0.2 to 0.4) per decade1899 to 2025100Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1890 to 2026
Yearly extremes at Evanston 1 E: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.2 C (99.0 F)198532.2 C (90.0 F)130
Coldest night (TNn)-38.9 C (-38.0 F)1905-28.0 C (-18.5 F)130
Wettest day (Rx1day)66.8 mm (2.6 in)192422.9 mm (0.9 in)130
Wettest five days (Rx5day)96.5 mm (3.8 in)192435.5 mm (1.4 in)128
Longest dry spell (CDD)156 days198833 days130

Hottest day (TXx)

Hottest day (TXx) at Evanston 1 E by year The hottest day of the year at Evanston 1 E, 1890 to 2026. The record is 37.2 C (99.0 F) in 1985, marked on the chart; the median year is 32.2 C (90.0 F). 102030401900192019401960198020002020Record: 37.2 C (99.0 F) in 1985
The hottest day of the year at Evanston 1 E, 1890 to 2026. The record is 37.2 C (99.0 F) in 1985, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Evanston 1 E by year
YearHottest day (TXx)
189015.6 C (60.1 F)
189329.4 C (84.9 F)
189832.2 C (90.0 F)
189931.7 C (89.1 F)
190033.3 C (91.9 F)
190133.9 C (93.0 F)
190231.7 C (89.1 F)
190332.2 C (90.0 F)
190430.6 C (87.1 F)
190531.1 C (88.0 F)
190630.6 C (87.1 F)
190729.4 C (84.9 F)
190831.7 C (89.1 F)
190932.8 C (91.0 F)
191031.1 C (88.0 F)
191131.1 C (88.0 F)
191230.6 C (87.1 F)
191331.7 C (89.1 F)
191431.1 C (88.0 F)
191531.1 C (88.0 F)
191631.7 C (89.1 F)
191731.1 C (88.0 F)
191832.8 C (91.0 F)
191931.7 C (89.1 F)
192030.6 C (87.1 F)
192131.1 C (88.0 F)
192231.7 C (89.1 F)
192330.6 C (87.1 F)
192431.1 C (88.0 F)
192533.3 C (91.9 F)
192631.7 C (89.1 F)
192729.4 C (84.9 F)
192831.7 C (89.1 F)
192931.7 C (89.1 F)
193032.2 C (90.0 F)
193135.6 C (96.1 F)
193231.7 C (89.1 F)
193333.3 C (91.9 F)
193432.2 C (90.0 F)
193532.8 C (91.0 F)
193630.6 C (87.1 F)
193732.2 C (90.0 F)
193829.4 C (84.9 F)
193933.3 C (91.9 F)
194034.4 C (93.9 F)
194130.0 C (86.0 F)
194230.6 C (87.1 F)
194331.1 C (88.0 F)
194429.4 C (84.9 F)
194531.1 C (88.0 F)
194632.2 C (90.0 F)
194731.1 C (88.0 F)
194831.7 C (89.1 F)
194932.2 C (90.0 F)
195031.7 C (89.1 F)
195132.2 C (90.0 F)
195231.1 C (88.0 F)
195332.2 C (90.0 F)
195433.9 C (93.0 F)
195533.3 C (91.9 F)
195631.7 C (89.1 F)
195731.7 C (89.1 F)
195832.8 C (91.0 F)
195932.8 C (91.0 F)
196035.0 C (95.0 F)
196132.2 C (90.0 F)
196232.8 C (91.0 F)
196331.7 C (89.1 F)
196432.2 C (90.0 F)
196532.2 C (90.0 F)
196633.3 C (91.9 F)
196732.8 C (91.0 F)
196831.7 C (89.1 F)
196933.9 C (93.0 F)
197033.3 C (91.9 F)
197132.8 C (91.0 F)
197233.3 C (91.9 F)
197331.7 C (89.1 F)
197431.7 C (89.1 F)
197531.1 C (88.0 F)
197632.8 C (91.0 F)
197731.7 C (89.1 F)
197832.2 C (90.0 F)
197934.4 C (93.9 F)
198032.8 C (91.0 F)
198133.3 C (91.9 F)
198233.9 C (93.0 F)
198330.6 C (87.1 F)
198537.2 C (99.0 F)
198632.8 C (91.0 F)
198730.6 C (87.1 F)
198834.4 C (93.9 F)
198934.4 C (93.9 F)
199033.3 C (91.9 F)
199133.3 C (91.9 F)
199230.6 C (87.1 F)
199331.1 C (88.0 F)
199431.1 C (88.0 F)
199530.6 C (87.1 F)
199631.1 C (88.0 F)
199730.0 C (86.0 F)
199832.8 C (91.0 F)
199931.7 C (89.1 F)
200032.8 C (91.0 F)
200133.3 C (91.9 F)
200233.9 C (93.0 F)
200332.8 C (91.0 F)
200430.0 C (86.0 F)
200534.4 C (93.9 F)
200632.8 C (91.0 F)
200732.2 C (90.0 F)
200830.0 C (86.0 F)
200930.6 C (87.1 F)
201031.1 C (88.0 F)
201130.0 C (86.0 F)
201232.8 C (91.0 F)
201335.0 C (95.0 F)
201431.7 C (89.1 F)
201532.2 C (90.0 F)
201631.7 C (89.1 F)
201731.7 C (89.1 F)
201832.2 C (90.0 F)
201932.8 C (91.0 F)
202032.2 C (90.0 F)
202134.4 C (93.9 F)
202233.9 C (93.0 F)
202332.2 C (90.0 F)
202434.4 C (93.9 F)
202534.4 C (93.9 F)
202635.6 C (96.1 F)

Coldest night (TNn)

Coldest night (TNn) at Evanston 1 E by year The coldest night of the year at Evanston 1 E, 1890 to 2026. The record is -38.9 C (-38.0 F) in 1905, marked on the chart; the median year is -28.0 C (-18.5 F). -40-200201900192019401960198020002020Record: -38.9 C (-38.0 F) in 1905
The coldest night of the year at Evanston 1 E, 1890 to 2026. The record is -38.9 C (-38.0 F) in 1905, marked on the chart; the median year is -28.0 C (-18.5 F).
Coldest night (TNn) at Evanston 1 E by year
YearColdest night (TNn)
189010.0 C (50.0 F)
1893-23.9 C (-11.0 F)
1898-25.0 C (-13.0 F)
1899-34.4 C (-29.9 F)
1900-28.3 C (-18.9 F)
1901-26.7 C (-16.1 F)
1902-29.4 C (-20.9 F)
1903-36.7 C (-34.1 F)
1904-28.9 C (-20.0 F)
1905-38.9 C (-38.0 F)
1906-30.0 C (-22.0 F)
1907-26.7 C (-16.1 F)
1908-28.9 C (-20.0 F)
1909-32.2 C (-26.0 F)
1910-25.0 C (-13.0 F)
1911-31.1 C (-24.0 F)
1912-25.0 C (-13.0 F)
1913-33.3 C (-27.9 F)
1914-25.6 C (-14.1 F)
1915-27.8 C (-18.0 F)
1916-28.9 C (-20.0 F)
1917-34.4 C (-29.9 F)
1918-28.3 C (-18.9 F)
1919-28.9 C (-20.0 F)
1920-26.7 C (-16.1 F)
1921-26.1 C (-15.0 F)
1922-34.4 C (-29.9 F)
1923-28.3 C (-18.9 F)
1924-33.3 C (-27.9 F)
1925-26.1 C (-15.0 F)
1926-27.2 C (-17.0 F)
1927-35.6 C (-32.1 F)
1928-26.7 C (-16.1 F)
1929-32.2 C (-26.0 F)
1930-34.4 C (-29.9 F)
1931-27.8 C (-18.0 F)
1932-35.6 C (-32.1 F)
1933-35.0 C (-31.0 F)
1934-21.7 C (-7.1 F)
1935-28.3 C (-18.9 F)
1936-26.1 C (-15.0 F)
1937-35.0 C (-31.0 F)
1938-25.0 C (-13.0 F)
1939-28.9 C (-20.0 F)
1940-31.7 C (-25.1 F)
1941-28.9 C (-20.0 F)
1942-32.2 C (-26.0 F)
1943-28.3 C (-18.9 F)
1944-27.2 C (-17.0 F)
1945-26.7 C (-16.1 F)
1946-26.7 C (-16.1 F)
1947-28.9 C (-20.0 F)
1948-32.2 C (-26.0 F)
1949-37.2 C (-35.0 F)
1950-30.0 C (-22.0 F)
1951-36.7 C (-34.1 F)
1952-33.9 C (-29.0 F)
1953-26.1 C (-15.0 F)
1954-30.0 C (-22.0 F)
1955-30.0 C (-22.0 F)
1956-36.1 C (-33.0 F)
1957-33.3 C (-27.9 F)
1958-27.8 C (-18.0 F)
1959-29.4 C (-20.9 F)
1960-32.8 C (-27.0 F)
1961-32.8 C (-27.0 F)
1962-32.2 C (-26.0 F)
1963-37.2 C (-35.0 F)
1964-28.9 C (-20.0 F)
1965-26.1 C (-15.0 F)
1966-28.9 C (-20.0 F)
1967-23.9 C (-11.0 F)
1968-26.7 C (-16.1 F)
1969-28.9 C (-20.0 F)
1970-28.9 C (-20.0 F)
1971-30.0 C (-22.0 F)
1972-33.3 C (-27.9 F)
1973-30.0 C (-22.0 F)
1974-35.0 C (-31.0 F)
1975-26.7 C (-16.1 F)
1976-26.7 C (-16.1 F)
1977-26.7 C (-16.1 F)
1978-34.4 C (-29.9 F)
1979-34.4 C (-29.9 F)
1980-27.8 C (-18.0 F)
1981-23.3 C (-9.9 F)
1982-34.4 C (-29.9 F)
1983-23.9 C (-11.0 F)
1985-26.1 C (-15.0 F)
1986-24.4 C (-11.9 F)
1987-29.4 C (-20.9 F)
1988-26.1 C (-15.0 F)
1989-33.9 C (-29.0 F)
1990-35.0 C (-31.0 F)
1991-26.1 C (-15.0 F)
1992-24.4 C (-11.9 F)
1993-27.2 C (-17.0 F)
1994-23.3 C (-9.9 F)
1995-25.0 C (-13.0 F)
1996-26.1 C (-15.0 F)
1997-27.8 C (-18.0 F)
1998-27.8 C (-18.0 F)
1999-23.9 C (-11.0 F)
2000-17.8 C (0.0 F)
2001-23.9 C (-11.0 F)
2002-28.9 C (-20.0 F)
2003-26.7 C (-16.1 F)
2004-27.2 C (-17.0 F)
2005-29.4 C (-20.9 F)
2006-26.1 C (-15.0 F)
2007-27.8 C (-18.0 F)
2008-25.0 C (-13.0 F)
2009-28.9 C (-20.0 F)
2010-22.8 C (-9.0 F)
2011-25.0 C (-13.0 F)
2012-23.3 C (-9.9 F)
2013-28.9 C (-20.0 F)
2014-18.3 C (-0.9 F)
2015-25.6 C (-14.1 F)
2016-24.4 C (-11.9 F)
2017-31.1 C (-24.0 F)
2018-25.0 C (-13.0 F)
2019-24.4 C (-11.9 F)
2020-25.0 C (-13.0 F)
2021-20.6 C (-5.1 F)
2022-28.3 C (-18.9 F)
2023-27.8 C (-18.0 F)
2024-20.0 C (-4.0 F)
2025-25.6 C (-14.1 F)
2026-18.3 C (-0.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Evanston 1 E by year The wettest day of the year at Evanston 1 E, 1890 to 2026. The record is 66.8 mm (2.6 in) in 1924, marked on the chart; the median year is 22.9 mm (0.9 in). 0204060801900192019401960198020002020Record: 66.8 mm (2.6 in) in 1924
The wettest day of the year at Evanston 1 E, 1890 to 2026. The record is 66.8 mm (2.6 in) in 1924, marked on the chart; the median year is 22.9 mm (0.9 in).
Wettest day (Rx1day) at Evanston 1 E by year
YearWettest day (Rx1day)
18900.0 mm (0.00 in)
18930.0 mm (0.00 in)
189810.7 mm (0.4 in)
189950.8 mm (2.0 in)
190025.4 mm (1.0 in)
190127.9 mm (1.1 in)
190217.3 mm (0.7 in)
190317.8 mm (0.7 in)
190421.8 mm (0.9 in)
190516.3 mm (0.6 in)
190625.9 mm (1.0 in)
190749.5 mm (1.9 in)
190835.1 mm (1.4 in)
190921.6 mm (0.9 in)
191013.7 mm (0.5 in)
191126.4 mm (1.0 in)
191224.9 mm (1.0 in)
191323.4 mm (0.9 in)
191421.3 mm (0.8 in)
191530.7 mm (1.2 in)
191618.3 mm (0.7 in)
191733.5 mm (1.3 in)
191826.2 mm (1.0 in)
191918.0 mm (0.7 in)
192028.4 mm (1.1 in)
192124.6 mm (1.0 in)
192222.4 mm (0.9 in)
192321.8 mm (0.9 in)
192466.8 mm (2.6 in)
192514.5 mm (0.6 in)
192639.1 mm (1.5 in)
192729.7 mm (1.2 in)
192816.8 mm (0.7 in)
192921.6 mm (0.9 in)
193027.2 mm (1.1 in)
193119.1 mm (0.8 in)
193224.6 mm (1.0 in)
193315.2 mm (0.6 in)
193420.3 mm (0.8 in)
193525.4 mm (1.0 in)
193622.9 mm (0.9 in)
193725.1 mm (1.0 in)
193811.9 mm (0.5 in)
193911.2 mm (0.4 in)
194014.7 mm (0.6 in)
194139.6 mm (1.6 in)
194213.0 mm (0.5 in)
194324.4 mm (1.0 in)
194431.0 mm (1.2 in)
194533.0 mm (1.3 in)
194626.7 mm (1.1 in)
194728.7 mm (1.1 in)
194830.5 mm (1.2 in)
194918.5 mm (0.7 in)
195014.0 mm (0.6 in)
195119.1 mm (0.8 in)
195217.8 mm (0.7 in)
195316.0 mm (0.6 in)
195419.6 mm (0.8 in)
195517.8 mm (0.7 in)
195614.5 mm (0.6 in)
195736.8 mm (1.4 in)
195832.0 mm (1.3 in)
195926.4 mm (1.0 in)
196014.7 mm (0.6 in)
196117.5 mm (0.7 in)
196227.4 mm (1.1 in)
196329.7 mm (1.2 in)
196419.1 mm (0.8 in)
196547.5 mm (1.9 in)
196622.9 mm (0.9 in)
196711.7 mm (0.5 in)
196829.2 mm (1.1 in)
196917.8 mm (0.7 in)
197020.6 mm (0.8 in)
197119.1 mm (0.8 in)
197214.5 mm (0.6 in)
197325.1 mm (1.0 in)
197431.8 mm (1.3 in)
197522.1 mm (0.9 in)
197621.1 mm (0.8 in)
197720.3 mm (0.8 in)
197819.6 mm (0.8 in)
197924.6 mm (1.0 in)
198022.9 mm (0.9 in)
198121.8 mm (0.9 in)
198231.5 mm (1.2 in)
198325.9 mm (1.0 in)
198550.8 mm (2.0 in)
198638.1 mm (1.5 in)
198713.2 mm (0.5 in)
198820.3 mm (0.8 in)
198922.9 mm (0.9 in)
199020.3 mm (0.8 in)
199130.0 mm (1.2 in)
199236.1 mm (1.4 in)
199332.5 mm (1.3 in)
199417.0 mm (0.7 in)
199520.8 mm (0.8 in)
199618.0 mm (0.7 in)
199732.5 mm (1.3 in)
199831.0 mm (1.2 in)
199927.7 mm (1.1 in)
200023.4 mm (0.9 in)
200121.6 mm (0.9 in)
200216.0 mm (0.6 in)
200333.0 mm (1.3 in)
200422.9 mm (0.9 in)
200532.5 mm (1.3 in)
200648.3 mm (1.9 in)
200750.8 mm (2.0 in)
200830.5 mm (1.2 in)
200933.0 mm (1.3 in)
201020.3 mm (0.8 in)
201127.9 mm (1.1 in)
201226.7 mm (1.1 in)
201322.9 mm (0.9 in)
201453.3 mm (2.1 in)
201545.7 mm (1.8 in)
201640.6 mm (1.6 in)
201721.6 mm (0.9 in)
201822.9 mm (0.9 in)
201920.3 mm (0.8 in)
202012.2 mm (0.5 in)
202119.6 mm (0.8 in)
202212.7 mm (0.5 in)
202330.0 mm (1.2 in)
202417.8 mm (0.7 in)
202517.5 mm (0.7 in)
202622.9 mm (0.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Evanston 1 E by year The wettest five days of the year at Evanston 1 E, 1890 to 2026. The record is 96.5 mm (3.8 in) in 1924, marked on the chart; the median year is 35.5 mm (1.4 in). 0204060801001900192019401960198020002020Record: 96.5 mm (3.8 in) in 1924
The wettest five days of the year at Evanston 1 E, 1890 to 2026. The record is 96.5 mm (3.8 in) in 1924, marked on the chart; the median year is 35.5 mm (1.4 in).
Wettest five days (Rx5day) at Evanston 1 E by year
YearWettest five days (Rx5day)
1890n/a
1893n/a
189825.8 mm (1.0 in)
189976.7 mm (3.0 in)
190040.7 mm (1.6 in)
190141.2 mm (1.6 in)
190229.7 mm (1.2 in)
190346.0 mm (1.8 in)
190439.6 mm (1.6 in)
190530.8 mm (1.2 in)
190662.9 mm (2.5 in)
190749.5 mm (1.9 in)
190845.3 mm (1.8 in)
190934.1 mm (1.3 in)
191029.2 mm (1.1 in)
191138.8 mm (1.5 in)
191235.5 mm (1.4 in)
191358.4 mm (2.3 in)
191449.0 mm (1.9 in)
191533.7 mm (1.3 in)
191634.6 mm (1.4 in)
191765.8 mm (2.6 in)
191826.9 mm (1.1 in)
191940.8 mm (1.6 in)
192030.9 mm (1.2 in)
192154.4 mm (2.1 in)
192233.3 mm (1.3 in)
192350.0 mm (2.0 in)
192496.5 mm (3.8 in)
192538.9 mm (1.5 in)
192640.9 mm (1.6 in)
192736.8 mm (1.4 in)
192835.4 mm (1.4 in)
192943.2 mm (1.7 in)
193032.5 mm (1.3 in)
193120.4 mm (0.8 in)
193241.3 mm (1.6 in)
193320.0 mm (0.8 in)
193430.5 mm (1.2 in)
193533.0 mm (1.3 in)
193629.2 mm (1.1 in)
193744.4 mm (1.7 in)
193818.3 mm (0.7 in)
193917.6 mm (0.7 in)
194018.8 mm (0.7 in)
194175.2 mm (3.0 in)
194222.5 mm (0.9 in)
194334.8 mm (1.4 in)
194440.7 mm (1.6 in)
194538.8 mm (1.5 in)
194647.0 mm (1.9 in)
194764.2 mm (2.5 in)
194831.8 mm (1.3 in)
194930.2 mm (1.2 in)
195030.5 mm (1.2 in)
195146.3 mm (1.8 in)
195223.4 mm (0.9 in)
195323.9 mm (0.9 in)
195426.0 mm (1.0 in)
195531.7 mm (1.2 in)
195620.8 mm (0.8 in)
195736.8 mm (1.4 in)
195844.7 mm (1.8 in)
195949.7 mm (2.0 in)
196023.6 mm (0.9 in)
196126.9 mm (1.1 in)
196232.7 mm (1.3 in)
196331.2 mm (1.2 in)
196444.8 mm (1.8 in)
196549.6 mm (2.0 in)
196623.4 mm (0.9 in)
196720.1 mm (0.8 in)
196848.5 mm (1.9 in)
196925.6 mm (1.0 in)
197033.7 mm (1.3 in)
197138.9 mm (1.5 in)
197229.2 mm (1.1 in)
197337.0 mm (1.5 in)
197447.0 mm (1.9 in)
197530.7 mm (1.2 in)
197623.4 mm (0.9 in)
197729.4 mm (1.2 in)
197834.9 mm (1.4 in)
197946.4 mm (1.8 in)
198041.7 mm (1.6 in)
198132.3 mm (1.3 in)
198269.0 mm (2.7 in)
198338.0 mm (1.5 in)
198569.9 mm (2.8 in)
198638.3 mm (1.5 in)
198734.6 mm (1.4 in)
198824.1 mm (0.9 in)
198939.5 mm (1.6 in)
199020.6 mm (0.8 in)
199178.8 mm (3.1 in)
199253.2 mm (2.1 in)
199350.0 mm (2.0 in)
199434.5 mm (1.4 in)
199533.8 mm (1.3 in)
199622.3 mm (0.9 in)
199732.5 mm (1.3 in)
199852.5 mm (2.1 in)
199941.9 mm (1.6 in)
200034.5 mm (1.4 in)
200156.3 mm (2.2 in)
200230.3 mm (1.2 in)
200356.7 mm (2.2 in)
200430.3 mm (1.2 in)
200558.7 mm (2.3 in)
200649.6 mm (2.0 in)
200776.2 mm (3.0 in)
200834.5 mm (1.4 in)
200943.9 mm (1.7 in)
201063.5 mm (2.5 in)
201131.7 mm (1.2 in)
201217.7 mm (0.7 in)
201345.7 mm (1.8 in)
201486.8 mm (3.4 in)
201532.8 mm (1.3 in)
201641.1 mm (1.6 in)
201745.0 mm (1.8 in)
201857.4 mm (2.3 in)
201945.1 mm (1.8 in)
202023.1 mm (0.9 in)
202134.8 mm (1.4 in)
202225.6 mm (1.0 in)
202340.4 mm (1.6 in)
202424.6 mm (1.0 in)
202525.6 mm (1.0 in)
202629.2 mm (1.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Evanston 1 E by year The longest dry spell of the year at Evanston 1 E, 1890 to 2026. The record is 156 days in 1988, marked on the chart; the median year is 33 days. 0501001502001900192019401960198020002020Record: 156 days in 1988
The longest dry spell of the year at Evanston 1 E, 1890 to 2026. The record is 156 days in 1988, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Evanston 1 E by year
YearLongest dry spell (CDD)
18901 day
18933 days
189834 days
189925 days
190027 days
190135 days
190238 days
190326 days
190458 days
190540 days
190629 days
190725 days
190839 days
190948 days
191040 days
191143 days
191219 days
191322 days
191440 days
191533 days
191633 days
191741 days
191833 days
191938 days
192025 days
192134 days
192257 days
192317 days
192432 days
192518 days
192629 days
192725 days
192840 days
192941 days
193044 days
193145 days
193234 days
193344 days
193434 days
193557 days
193628 days
193733 days
193832 days
193959 days
194039 days
194121 days
194229 days
194329 days
194459 days
194518 days
194623 days
194724 days
194827 days
194928 days
195033 days
195132 days
195264 days
195332 days
195421 days
195538 days
195670 days
195759 days
195854 days
195944 days
196037 days
196149 days
196240 days
196330 days
196444 days
196530 days
196624 days
196720 days
196827 days
196929 days
197037 days
197123 days
197242 days
197325 days
197456 days
197526 days
197630 days
197731 days
197856 days
197925 days
198037 days
198126 days
198221 days
198321 days
198548 days
198636 days
198741 days
1988156 days
198931 days
199024 days
199132 days
199247 days
199336 days
199440 days
199524 days
199627 days
199723 days
199825 days
199937 days
200045 days
200176 days
200242 days
200342 days
200431 days
200532 days
200620 days
200741 days
200850 days
200942 days
201024 days
201117 days
201223 days
201335 days
201419 days
201524 days
201633 days
201751 days
201831 days
201925 days
202038 days
202130 days
202223 days
202322 days
202452 days
202544 days
202633 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

100 years with a frost

Across 100 years with a frost, the median last spring frost at Evanston 1 E falls on 20 June and the median first autumn frost on 26 August, which leaves a median of 64 days between them.

In 1976 to 2025 the median growing season was 89 days. That is 27 days more than in 1899 to 1928.

Fitted over all years, the growing season changes by +3.2 days per decade at this station.

Frost dates and growing season at Evanston 1 E
MeasureMedian, all yearsEarliest period (1899 to 1928)Recent period (1976 to 2025)Recent against earliestFitted trend
Last spring frost20 June21 June15 June6 days earlier-0.6 days per decade
First autumn frost26 August24 August11 September18 days later+2.7 days per decade
Growing days64 days62 days89 days27 days more+3.2 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

111 years, 1899 to 2025

A day with at least 22.7 mm (0.9 in) of rain is expected about once in 2 years. A day with at least 57.5 mm (2.3 in) of rain is expected about once in 100 years.

Rainfall return levels at Evanston 1 E: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years22.7 mm (0.9 in)
5 years30.8 mm (1.2 in)
10 years36.6 mm (1.4 in)
25 years44.5 mm (1.8 in)
50 years50.8 mm (2.0 in)
100 years57.5 mm (2.3 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 111 years of values from 1899 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 66.8 mm (2.6 in) in 1924; 50.8 mm (2.0 in) in 1899; 50.8 mm (2.0 in) in 2007.

Station Changes

1 suspected

One change was suspected in the annual mean temperature of Evanston 1 E, at 1977. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1977 ran 0.3 C (0.5 F) higher than in the years before (possible change).
Suspected changes in the annual mean temperature at Evanston 1 E, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1977+0.3+0.5possible5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Download the Data

  • Data for Evanston 1 E standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Evanston 1 E threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).