Built 2026-10-15 (15 October 2026)

The Dalles Weather Records (USC00358407)

Record envelope, standing records and threshold days for The Dalles (USC00358407), Oregon, United States, with 133 years of record.

Key Facts for The Dalles

  • The Dalles (USC00358407) is a weather station in Oregon, United States at 45.61 latitude and -121.20 longitude, 46 m (150 ft) above sea level.
  • The station reports from 1893 to 2025, 133 years of record.
  • 1,464 records set at The Dalles still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • The Dalles tied a monthly record low minimum temperature of -1.1 C (30.0 F) on 6 May 2025.

About the Station

  • Location: Oregon, United States, 45.61 latitude, -121.20 longitude.
  • Elevation: 46 m (150 ft).
  • Period of record: 1893 to 2025, 133 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

3 days at or beyond a record
Daily record high and record low at The Dalles, with 2026 drawn through them The band shows the record high and record low for each calendar day at The Dalles. The lines show the 2026 daily maximum and minimum. 3 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at The Dalles. The lines show the 2026 daily maximum and minimum. 3 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at The Dalles, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-23.9 C (-11.0 F)8.9 C (48.0 F)-8.3 C (17.1 F)
Feb21.7 C (71.1 F)-24.4 C (-11.9 F)13.9 C (57.0 F)-10.6 C (12.9 F)
Mar27.8 C (82.0 F)-13.3 C (8.1 F)26.7 C (80.1 F)-1.7 C (28.9 F)
Apr35.0 C (95.0 F)-3.9 C (25.0 F)26.1 C (79.0 F)-1.1 C (30.0 F)
May41.7 C (107.1 F)-1.1 C (30.0 F)34.4 C (93.9 F)-1.1 C (30.0 F)
Jun46.1 C (115.0 F)0.0 C (32.0 F)32.8 C (91.0 F)9.4 C (48.9 F)
Jul46.1 C (115.0 F)3.9 C (39.0 F)37.8 C (100.0 F)12.8 C (55.0 F)
Aug43.3 C (109.9 F)4.4 C (39.9 F)n/an/a
Sep41.7 C (107.1 F)-3.9 C (25.0 F)n/an/a
Oct33.9 C (93.0 F)-7.8 C (18.0 F)n/an/a
Nov25.0 C (77.0 F)-18.3 C (-0.9 F)n/an/a
Dec23.3 C (73.9 F)-21.1 C (-6.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at The Dalles by the year they were set 1,464 records at The Dalles still stand. 1916 holds the most, with 33. 0102030401893: 111894: 211895: 101896: 161897: 161898: 111899: 201900: 201901: 141902: 61903: 61904: 91905: 151906: 201907: 91908: 61909: 231910: 91911: 161912: 51913: 71914: 151915: 161916: 331917: 201918: 101919: 211920: 101921: 21922: 161923: 81924: 251925: 91926: 211927: 41928: 81929: 191930: 201931: 101932: 131933: 181934: 181935: 201936: 181937: 201938: 131939: 71940: 61941: 191942: 51943: 81944: 61945: 131946: 71947: 121948: 131949: 71950: 171951: 71952: 111953: 131954: 91955: 231956: 141957: 101958: 231959: 121960: 101961: 211962: 101963: 81964: 81965: 111966: 81967: 81975: 71976: 71977: 141978: 61979: 61980: 61981: 131982: 41983: 161984: 61985: 251986: 111987: 121988: 61989: 71990: 141991: 101992: 151993: 131994: 81995: 111996: 71997: 21998: 41999: 242000: 72001: 32002: 22003: 142004: 32005: 82006: 112007: 32008: 132009: 82010: 42011: 62012: 112013: 82014: 112015: 12016: 52017: 12018: 92019: 242020: 102021: 172022: 272023: 122024: 72025: 21893190619191932194519581978199120042017
1,464 records at The Dalles still stand. 1916 holds the most, with 33.
Standing records at The Dalles by the year they were set
Year setStanding records
189311
189421
189510
189616
189716
189811
189920
190020
190114
19026
19036
19049
190515
190620
19079
19086
190923
19109
191116
19125
19137
191415
191516
191633
191720
191810
191921
192010
19212
192216
19238
192425
19259
192621
19274
19288
192919
193020
193110
193213
193318
193418
193520
193618
193720
193813
19397
19406
194119
19425
19438
19446
194513
19467
194712
194813
19497
195017
19517
195211
195313
19549
195523
195614
195710
195823
195912
196010
196121
196210
19638
19648
196511
19668
19678
19757
19767
197714
19786
19796
19806
198113
19824
198316
19846
198525
198611
198712
19886
19897
199014
199110
199215
199313
19948
199511
19967
19972
19984
199924
20007
20013
20022
200314
20043
20058
200611
20073
200813
20098
20104
20116
201211
20138
201411
20151
20165
20171
20189
201924
202010
202117
202227
202312
20247
20252

All-Time Record Progression

5 new records
When The Dalles set new all-time records 5 all-time records were set at The Dalles between 12 July 1926 and 1 February 1950. Each dot is a new record. Record high minimum temperatureRecord high maximum temperatureRecord low maximum temperatureRecord low minimum temperature12 July 1926: Record high minimum temperature 27.8 C (82.0 F)24 July 1928: Record high maximum temperature 44.4 C (111.9 F)25 July 1928: Record high maximum temperature 46.1 C (115.0 F)22 January 1930: Record low maximum temperature -17.8 C (0.0 F)1 February 1950: Record low minimum temperature -24.4 C (-11.9 F)19301935194019451950
5 all-time records were set at The Dalles between 12 July 1926 and 1 February 1950. Each dot is a new record.
When The Dalles set new all-time records
DateKindDetail
1926-07-12Record high minimum temperatureRecord high minimum temperature 27.8 C (82.0 F)
1928-07-24Record high maximum temperatureRecord high maximum temperature 44.4 C (111.9 F)
1928-07-25Record high maximum temperatureRecord high maximum temperature 46.1 C (115.0 F)
1930-01-22Record low maximum temperatureRecord low maximum temperature -17.8 C (0.0 F)
1950-02-01Record low minimum temperatureRecord low minimum temperature -24.4 C (-11.9 F)

Wettest Day of Each Month

Nov: 106.7 mm (4.2 in)
Record daily precipitation for each month at The Dalles The wettest day on record for each calendar month at The Dalles. The most was 106.7 mm (4.2 in) on 19 November 1921. 050100150 Jan: 55.6 mm (2.2 in), 15 January 1956 Jan Feb: 45.2 mm (1.8 in), 10 February 1961 Feb Mar: 32.3 mm (1.3 in), 31 March 1940 Mar Apr: 55.9 mm (2.2 in), 5 April 2011 Apr May: 27.4 mm (1.1 in), 15 May 2011 May Jun: 38.1 mm (1.5 in), 16 June 1903 Jun Jul: 26.4 mm (1.0 in), 6 July 1981 Jul Aug: 22.9 mm (0.9 in), 5 August 1943 Aug Sep: 31.8 mm (1.3 in), 14 September 1918 Sep Oct: 41.4 mm (1.6 in), 27 October 1994 Oct Nov: 106.7 mm (4.2 in), 19 November 1921 Nov Dec: 50.8 mm (2.0 in), 22 December 1964 Dec
The wettest day on record for each calendar month at The Dalles. The most was 106.7 mm (4.2 in) on 19 November 1921.
Record daily precipitation for each month at The Dalles
MonthRecord daily precipitation (mm)Date
Jan55.6 mm (2.2 in)15 January 1956
Feb45.2 mm (1.8 in)10 February 1961
Mar32.3 mm (1.3 in)31 March 1940
Apr55.9 mm (2.2 in)5 April 2011
May27.4 mm (1.1 in)15 May 2011
Jun38.1 mm (1.5 in)16 June 1903
Jul26.4 mm (1.0 in)6 July 1981
Aug22.9 mm (0.9 in)5 August 1943
Sep31.8 mm (1.3 in)14 September 1918
Oct41.4 mm (1.6 in)27 October 1994
Nov106.7 mm (4.2 in)19 November 1921
Dec50.8 mm (2.0 in)22 December 1964

Period of Record Coverage

1893 to 2025
Days with data per year at The Dalles 126 years of record at The Dalles, 1893 to 2025. 21 years have data for under 90 percent of days and are left out of rankings: 1912, 1913, 1944, 1967, 1998, 1999, 2000, 2001 and others. 1893: 362 of 365 days1894: 363 of 365 days1895: 363 of 365 days1896: 358 of 366 days1897: 360 of 365 days1898: 363 of 365 days1899: 363 of 365 days1900: 363 of 365 days1901: 357 of 365 days1902: 357 of 365 days1903: 363 of 365 days1904: 361 of 366 days1905: 364 of 365 days1906: 364 of 365 days1907: 363 of 365 days1908: 364 of 366 days1909: 353 of 365 days1910: 362 of 365 days1911: 363 of 365 days1912: 241 of 366 days1913: 249 of 365 days1914: 357 of 365 days1915: 361 of 365 days1916: 352 of 366 days1917: 355 of 365 days1918: 364 of 365 days1919: 353 of 365 days1920: 366 of 366 days1921: 363 of 365 days1922: 333 of 365 days1923: 358 of 365 days1924: 361 of 366 days1925: 363 of 365 days1926: 353 of 365 days1927: 358 of 365 days1928: 363 of 366 days1929: 359 of 365 days1930: 359 of 365 days1931: 355 of 365 days1932: 354 of 366 days1933: 360 of 365 days1934: 360 of 365 days1935: 353 of 365 days1936: 354 of 366 days1937: 363 of 365 days1938: 363 of 365 days1939: 354 of 365 days1940: 366 of 366 days1941: 362 of 365 days1942: 335 of 365 days1943: 334 of 365 days1944: 300 of 366 days1945: 365 of 365 days1946: 364 of 365 days1947: 363 of 365 days1948: 355 of 366 days1949: 363 of 365 days1950: 363 of 365 days1951: 364 of 365 days1952: 364 of 366 days1953: 364 of 365 days1954: 365 of 365 days1955: 364 of 365 days1956: 364 of 366 days1957: 365 of 365 days1958: 364 of 365 days1959: 365 of 365 days1960: 366 of 366 days1961: 364 of 365 days1962: 364 of 365 days1963: 363 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 364 of 365 days1967: 212 of 365 days1975: 331 of 365 days1976: 358 of 366 days1977: 356 of 365 days1978: 363 of 365 days1979: 359 of 365 days1980: 358 of 366 days1981: 356 of 365 days1982: 362 of 365 days1983: 359 of 365 days1984: 359 of 366 days1985: 359 of 365 days1986: 365 of 365 days1987: 361 of 365 days1988: 364 of 366 days1989: 363 of 365 days1990: 364 of 365 days1991: 360 of 365 days1992: 363 of 366 days1993: 363 of 365 days1994: 360 of 365 days1995: 329 of 365 days1996: 330 of 366 days1997: 364 of 365 days1998: 242 of 365 days1999: 301 of 365 days2000: 300 of 366 days2001: 271 of 365 days2002: 147 of 365 days2003: 299 of 365 days2004: 272 of 366 days2005: 242 of 365 days2006: 319 of 365 days2007: 330 of 365 days2008: 206 of 366 days2009: 295 of 365 days2010: 352 of 365 days2011: 353 of 365 days2012: 353 of 366 days2013: 356 of 365 days2014: 324 of 365 days2015: 174 of 365 days2016: 246 of 366 days2017: 252 of 365 days2018: 338 of 365 days2019: 331 of 365 days2020: 358 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 332 of 365 days2024: 219 of 366 days2025: 49 of 365 days1900192019401960198020002020
126 years of record at The Dalles, 1893 to 2025. 21 years have data for under 90 percent of days and are left out of rankings: 1912, 1913, 1944, 1967, 1998, 1999, 2000, 2001 and others.
Days with data per year at The Dalles
YearDays with dataShare of yearComplete
189336299%Yes
189436399%Yes
189536399%Yes
189635898%Yes
189736099%Yes
189836399%Yes
189936399%Yes
190036399%Yes
190135798%Yes
190235798%Yes
190336399%Yes
190436199%Yes
1905364100%Yes
1906364100%Yes
190736399%Yes
190836499%Yes
190935397%Yes
191036299%Yes
191136399%Yes
191224166%No
191324968%No
191435798%Yes
191536199%Yes
191635296%Yes
191735597%Yes
1918364100%Yes
191935397%Yes
1920366100%Yes
192136399%Yes
192233391%Yes
192335898%Yes
192436199%Yes
192536399%Yes
192635397%Yes
192735898%Yes
192836399%Yes
192935998%Yes
193035998%Yes
193135597%Yes
193235497%Yes
193336099%Yes
193436099%Yes
193535397%Yes
193635497%Yes
193736399%Yes
193836399%Yes
193935497%Yes
1940366100%Yes
194136299%Yes
194233592%Yes
194333492%Yes
194430082%No
1945365100%Yes
1946364100%Yes
194736399%Yes
194835597%Yes
194936399%Yes
195036399%Yes
1951364100%Yes
195236499%Yes
1953364100%Yes
1954365100%Yes
1955364100%Yes
195636499%Yes
1957365100%Yes
1958364100%Yes
1959365100%Yes
1960366100%Yes
1961364100%Yes
1962364100%Yes
196336399%Yes
1964366100%Yes
1965365100%Yes
1966364100%Yes
196721258%No
197533191%Yes
197635898%Yes
197735698%Yes
197836399%Yes
197935998%Yes
198035898%Yes
198135698%Yes
198236299%Yes
198335998%Yes
198435998%Yes
198535998%Yes
1986365100%Yes
198736199%Yes
198836499%Yes
198936399%Yes
1990364100%Yes
199136099%Yes
199236399%Yes
199336399%Yes
199436099%Yes
199532990%Yes
199633090%Yes
1997364100%Yes
199824266%No
199930182%No
200030082%No
200127174%No
200214740%No
200329982%No
200427274%No
200524266%No
200631987%No
200733090%Yes
200820656%No
200929581%No
201035296%Yes
201135397%Yes
201235396%Yes
201335698%Yes
201432489%No
201517448%No
201624667%No
201725269%No
201833893%Yes
201933191%Yes
202035898%Yes
2021365100%Yes
2022365100%Yes
202333291%Yes
202421960%No
20254913%No

Latest Records

20
Latest records at The Dalles
DateStationRecordValueBeat old record byOld record stoodSignificance
6 May 2025The Dalles, USmonthly low min (Tie)-1.1 C (30.0 F)tie25 years6 of 100 (Routine)
26 March 2025The Dalles, USdaily high max26.1 C (79.0 F)0.5 C (0.9 F)64 years30 of 100 (Routine)
23 March 2025The Dalles, USdaily rain25.7 mm (1.0 in)14.3 mm (0.6 in)35 years56 of 100 (Notable)
1 March 2025The Dalles, USdaily high max (Tie)20.0 C (68.0 F)tie99 years9 of 100 (Routine)
14 February 2025The Dalles, USdaily snow depth15.2 cm (6.0 in)10.1 cm (4.0 in)76 years44 of 100 (Notable)
27 December 2024The Dalles, USdaily rain27.7 mm (1.1 in)2.3 mm (0.09 in)82 years37 of 100 (Notable)
24 October 2024The Dalles, USdaily high max27.2 C (81.0 F)3.3 C (5.9 F)65 years35 of 100 (Notable)
17 August 2024The Dalles, USdaily rain12.4 mm (0.5 in)7.1 mm (0.28 in)98 years20 of 100 (Routine)
9 July 2024The Dalles, USdaily high max42.2 C (108.0 F)1.6 C (2.9 F)72 years34 of 100 (Routine)
9 July 2024The Dalles, USdaily high min23.3 C (73.9 F)2.7 C (4.9 F)10 years21 of 100 (Routine)
1 May 2024The Dalles, USdaily low max12.2 C (54.0 F)1.1 C (2.0 F)124 years42 of 100 (Notable)
2 April 2024The Dalles, USdaily high max (Tie)27.2 C (81.0 F)tie8 years3 of 100 (Routine)
22 March 2024The Dalles, USdaily rain16.8 mm (0.7 in)2.1 mm (0.08 in)12 years18 of 100 (Routine)
18 March 2024The Dalles, USdaily high max26.7 C (80.1 F)2.3 C (4.1 F)46 years28 of 100 (Routine)
17 March 2024The Dalles, USdaily high max (Tie)23.9 C (75.0 F)tie17 years3 of 100 (Routine)
14 January 2024The Dalles, USdaily low max-10.6 C (12.9 F)1.2 C (2.2 F)114 years42 of 100 (Notable)
13 January 2024The Dalles, USdaily low max-12.8 C (9.0 F)2.8 C (5.0 F)114 years45 of 100 (Notable)
7 December 2023The Dalles, USdaily high min8.3 C (46.9 F)1.1 C (2.0 F)78 years35 of 100 (Notable)
6 December 2023The Dalles, USdaily high min8.3 C (46.9 F)1.6 C (2.9 F)44 years26 of 100 (Routine)
5 December 2023The Dalles, USdaily high min7.8 C (46.0 F)1.7 C (3.1 F)36 years24 of 100 (Routine)

Climate Trend

98 complete years, 1893 to 2022
Annual mean temperature at The Dalles as warming stripes, 1893 to 2022 One stripe for each of 98 complete years at The Dalles, 1893 to 2022. Blue stripes are years cooler than the station's own mean of 12.3 C (54.1 F); red stripes are warmer. The coolest year was 1893, at 10.2 C (50.4 F), and the warmest was 1958, at 14.4 C (57.9 F). The strongest colour marks a difference of 2.2 C (4.0 F). 1893: 10.2 C, -2.0 C from the station mean1894: 11.5 C, -0.8 C from the station mean1895: 11.3 C, -1.0 C from the station mean1896: 11.7 C, -0.5 C from the station mean1897: 12.1 C, -0.2 C from the station mean1898: 11.9 C, -0.4 C from the station mean1899: 11.1 C, -1.1 C from the station mean1900: 12.2 C, -0.1 C from the station mean1901: 11.6 C, -0.6 C from the station mean1902: 11.5 C, -0.8 C from the station mean1903: 11.4 C, -0.9 C from the station mean1904: 12.3 C, 0.0 C from the station mean1905: 11.7 C, -0.6 C from the station mean1906: 12.6 C, +0.3 C from the station mean1907: 11.6 C, -0.7 C from the station mean1908: 11.9 C, -0.3 C from the station mean1909: 10.9 C, -1.4 C from the station mean1910: 11.8 C, -0.5 C from the station mean1911: 11.3 C, -1.0 C from the station mean1914: 12.2 C, -0.1 C from the station mean1915: 12.6 C, +0.4 C from the station mean1916: 10.3 C, -2.0 C from the station mean1917: 12.4 C, +0.1 C from the station mean1918: 12.4 C, +0.1 C from the station mean1919: 11.4 C, -0.9 C from the station mean1920: 11.8 C, -0.4 C from the station mean1921: 12.3 C, 0.0 C from the station mean1922: 11.7 C, -0.5 C from the station mean1923: 13.4 C, +1.1 C from the station mean1924: 12.9 C, +0.6 C from the station mean1925: 13.5 C, +1.3 C from the station mean1926: 13.6 C, +1.3 C from the station mean1927: 12.1 C, -0.1 C from the station mean1928: 12.2 C, -0.1 C from the station mean1929: 11.4 C, -0.9 C from the station mean1930: 11.6 C, -0.7 C from the station mean1931: 11.6 C, -0.7 C from the station mean1932: 11.7 C, -0.6 C from the station mean1933: 11.8 C, -0.4 C from the station mean1934: 13.6 C, +1.4 C from the station mean1935: 11.6 C, -0.7 C from the station mean1936: 11.9 C, -0.4 C from the station mean1937: 11.3 C, -1.0 C from the station mean1938: 12.3 C, 0.0 C from the station mean1939: 13.0 C, +0.8 C from the station mean1940: 13.0 C, +0.7 C from the station mean1941: 13.2 C, +0.9 C from the station mean1945: 12.9 C, +0.6 C from the station mean1946: 12.6 C, +0.4 C from the station mean1947: 13.2 C, +1.0 C from the station mean1948: 11.3 C, -1.0 C from the station mean1949: 12.2 C, -0.1 C from the station mean1950: 11.5 C, -0.7 C from the station mean1951: 12.5 C, +0.3 C from the station mean1952: 12.4 C, +0.1 C from the station mean1953: 13.2 C, +1.0 C from the station mean1954: 11.8 C, -0.5 C from the station mean1955: 11.5 C, -0.7 C from the station mean1956: 12.6 C, +0.3 C from the station mean1957: 12.3 C, 0.0 C from the station mean1958: 14.4 C, +2.1 C from the station mean1959: 12.7 C, +0.4 C from the station mean1960: 12.4 C, +0.1 C from the station mean1961: 13.3 C, +1.0 C from the station mean1962: 12.6 C, +0.4 C from the station mean1963: 12.8 C, +0.5 C from the station mean1964: 12.3 C, 0.0 C from the station mean1965: 13.4 C, +1.1 C from the station mean1966: 13.2 C, +1.0 C from the station mean1976: 12.1 C, -0.2 C from the station mean1977: 12.9 C, +0.6 C from the station mean1978: 12.5 C, +0.2 C from the station mean1979: 12.7 C, +0.4 C from the station mean1980: 12.4 C, +0.1 C from the station mean1981: 13.3 C, +1.0 C from the station mean1982: 12.5 C, +0.3 C from the station mean1983: 12.7 C, +0.4 C from the station mean1984: 12.3 C, 0.0 C from the station mean1985: 11.1 C, -1.2 C from the station mean1986: 12.7 C, +0.4 C from the station mean1987: 13.4 C, +1.1 C from the station mean1988: 13.2 C, +1.0 C from the station mean1989: 12.6 C, +0.3 C from the station mean1990: 13.2 C, +1.0 C from the station mean1991: 12.9 C, +0.6 C from the station mean1992: 14.0 C, +1.7 C from the station mean1993: 11.3 C, -0.9 C from the station mean1994: 13.3 C, +1.0 C from the station mean1997: 12.7 C, +0.4 C from the station mean2010: 11.7 C, -0.5 C from the station mean2011: 11.2 C, -1.1 C from the station mean2012: 12.0 C, -0.3 C from the station mean2013: 12.1 C, -0.2 C from the station mean2018: 12.5 C, +0.3 C from the station mean2019: 11.2 C, -1.0 C from the station mean2020: 12.5 C, +0.2 C from the station mean2021: 13.0 C, +0.8 C from the station mean2022: 12.0 C, -0.3 C from the station mean18931900191019201930194019501960197019801990200020102020
One stripe for each of 98 complete years at The Dalles, 1893 to 2022. Blue stripes are years cooler than the station's own mean of 12.3 C (54.1 F); red stripes are warmer. The coolest year was 1893, at 10.2 C (50.4 F), and the warmest was 1958, at 14.4 C (57.9 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at The Dalles as warming stripes, 1893 to 2022
YearAnnual mean temperatureDifference from the station mean
189310.2 C-2.04 C
189411.5 C-0.75 C
189511.3 C-0.97 C
189611.7 C-0.53 C
189712.1 C-0.17 C
189811.9 C-0.37 C
189911.1 C-1.13 C
190012.2 C-0.09 C
190111.6 C-0.62 C
190211.5 C-0.81 C
190311.4 C-0.91 C
190412.3 C+0.01 C
190511.7 C-0.60 C
190612.6 C+0.35 C
190711.6 C-0.68 C
190811.9 C-0.33 C
190910.9 C-1.37 C
191011.8 C-0.50 C
191111.3 C-0.97 C
191412.2 C-0.05 C
191512.6 C+0.36 C
191610.3 C-2.01 C
191712.4 C+0.15 C
191812.4 C+0.11 C
191911.4 C-0.91 C
192011.8 C-0.43 C
192112.3 C+0.01 C
192211.7 C-0.53 C
192313.4 C+1.12 C
192412.9 C+0.62 C
192513.5 C+1.27 C
192613.6 C+1.31 C
192712.1 C-0.12 C
192812.2 C-0.08 C
192911.4 C-0.90 C
193011.6 C-0.69 C
193111.6 C-0.66 C
193211.7 C-0.61 C
193311.8 C-0.42 C
193413.6 C+1.36 C
193511.6 C-0.71 C
193611.9 C-0.37 C
193711.3 C-1.00 C
193812.3 C0.00 C
193913.0 C+0.78 C
194013.0 C+0.69 C
194113.2 C+0.92 C
194512.9 C+0.65 C
194612.6 C+0.38 C
194713.2 C+0.97 C
194811.3 C-0.96 C
194912.2 C-0.09 C
195011.5 C-0.73 C
195112.5 C+0.26 C
195212.4 C+0.09 C
195313.2 C+0.97 C
195411.8 C-0.47 C
195511.5 C-0.72 C
195612.6 C+0.31 C
195712.3 C+0.03 C
195814.4 C+2.13 C
195912.7 C+0.44 C
196012.4 C+0.13 C
196113.3 C+1.03 C
196212.6 C+0.38 C
196312.8 C+0.52 C
196412.3 C-0.01 C
196513.4 C+1.10 C
196613.2 C+0.97 C
197612.1 C-0.21 C
197712.9 C+0.62 C
197812.5 C+0.20 C
197912.7 C+0.39 C
198012.4 C+0.09 C
198113.3 C+1.01 C
198212.5 C+0.28 C
198312.7 C+0.39 C
198412.3 C+0.03 C
198511.1 C-1.20 C
198612.7 C+0.44 C
198713.4 C+1.10 C
198813.2 C+0.97 C
198912.6 C+0.34 C
199013.2 C+0.96 C
199112.9 C+0.64 C
199214.0 C+1.72 C
199311.3 C-0.93 C
199413.3 C+0.99 C
199712.7 C+0.39 C
201011.7 C-0.53 C
201111.2 C-1.08 C
201212.0 C-0.30 C
201312.1 C-0.16 C
201812.5 C+0.26 C
201911.2 C-1.02 C
202012.5 C+0.25 C
202113.0 C+0.77 C
202212.0 C-0.26 C

The annual mean temperature here has risen by 0.07 C (0.03 to 0.11) per decade over 1893 to 2022. In Fahrenheit: 0.1 F (0.1 to 0.2) per decade. The slope is a straight line fitted to 98 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at The Dalles
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.07 C (0.03 to 0.11) per decade0.1 F (0.1 to 0.2) per decade1893 to 202298Rise
Mean daily maximum0.08 C (0.02 to 0.13) per decade0.14 F (0.04 to 0.24) per decade1893 to 202298Rise
Mean daily minimum0.07 C (0.02 to 0.11) per decade0.12 F (0.03 to 0.20) per decade1893 to 202298Rise

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

1893 to 2025
Yearly extremes at The Dalles: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)46.1 C (115.0 F)192840.6 C (105.1 F)126
Coldest night (TNn)-24.4 C (-11.9 F)1950-12.5 C (9.5 F)126
Wettest day (Rx1day)106.7 mm (4.2 in)192126.0 mm (1.0 in)126
Wettest five days (Rx5day)226.1 mm (8.9 in)192149.8 mm (2.0 in)125
Longest dry spell (CDD)154 days202161 days126

Hottest day (TXx)

Hottest day (TXx) at The Dalles by year The hottest day of the year at The Dalles, 1893 to 2025. The record is 46.1 C (115.0 F) in 1928, marked on the chart; the median year is 40.6 C (105.1 F). 2530354045501900192019401960198020002020Record: 46.1 C (115.0 F) in 1928
The hottest day of the year at The Dalles, 1893 to 2025. The record is 46.1 C (115.0 F) in 1928, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at The Dalles by year
YearHottest day (TXx)
189338.9 C (102.0 F)
189437.2 C (99.0 F)
189538.3 C (100.9 F)
189640.0 C (104.0 F)
189742.2 C (108.0 F)
189839.4 C (102.9 F)
189937.2 C (99.0 F)
190037.8 C (100.0 F)
190138.9 C (102.0 F)
190238.3 C (100.9 F)
190337.8 C (100.0 F)
190438.9 C (102.0 F)
190538.3 C (100.9 F)
190640.0 C (104.0 F)
190739.4 C (102.9 F)
190839.4 C (102.9 F)
190936.7 C (98.1 F)
191037.2 C (99.0 F)
191140.0 C (104.0 F)
191237.8 C (100.0 F)
191340.6 C (105.1 F)
191441.1 C (106.0 F)
191541.1 C (106.0 F)
191640.0 C (104.0 F)
191741.1 C (106.0 F)
191838.3 C (100.9 F)
191938.9 C (102.0 F)
192041.7 C (107.1 F)
192136.7 C (98.1 F)
192243.9 C (111.0 F)
192340.6 C (105.1 F)
192440.0 C (104.0 F)
192539.4 C (102.9 F)
192641.7 C (107.1 F)
192741.1 C (106.0 F)
192846.1 C (115.0 F)
192938.9 C (102.0 F)
193040.6 C (105.1 F)
193138.9 C (102.0 F)
193238.9 C (102.0 F)
193341.7 C (107.1 F)
193438.3 C (100.9 F)
193543.3 C (109.9 F)
193638.3 C (100.9 F)
193740.0 C (104.0 F)
193843.3 C (109.9 F)
193943.9 C (111.0 F)
194040.0 C (104.0 F)
194146.1 C (115.0 F)
194242.8 C (109.0 F)
194336.7 C (98.1 F)
194441.1 C (106.0 F)
194541.1 C (106.0 F)
194643.9 C (111.0 F)
194739.4 C (102.9 F)
194840.6 C (105.1 F)
194941.1 C (106.0 F)
195042.2 C (108.0 F)
195141.1 C (106.0 F)
195242.8 C (109.0 F)
195341.7 C (107.1 F)
195438.3 C (100.9 F)
195541.7 C (107.1 F)
195644.4 C (111.9 F)
195736.7 C (98.1 F)
195843.3 C (109.9 F)
195942.8 C (109.0 F)
196042.2 C (108.0 F)
196143.3 C (109.9 F)
196240.6 C (105.1 F)
196341.1 C (106.0 F)
196441.7 C (107.1 F)
196542.2 C (108.0 F)
196638.3 C (100.9 F)
196740.6 C (105.1 F)
197541.1 C (106.0 F)
197638.3 C (100.9 F)
197742.8 C (109.0 F)
197841.1 C (106.0 F)
197942.2 C (108.0 F)
198040.0 C (104.0 F)
198142.8 C (109.0 F)
198240.6 C (105.1 F)
198340.0 C (104.0 F)
198441.7 C (107.1 F)
198541.1 C (106.0 F)
198641.7 C (107.1 F)
198740.6 C (105.1 F)
198841.1 C (106.0 F)
198939.4 C (102.9 F)
199041.7 C (107.1 F)
199139.4 C (102.9 F)
199242.8 C (109.0 F)
199339.4 C (102.9 F)
199442.8 C (109.0 F)
199537.8 C (100.0 F)
199642.2 C (108.0 F)
199738.9 C (102.0 F)
199839.4 C (102.9 F)
199938.9 C (102.0 F)
200037.8 C (100.0 F)
200138.9 C (102.0 F)
200228.9 C (84.0 F)
200341.1 C (106.0 F)
200441.7 C (107.1 F)
200541.1 C (106.0 F)
200640.6 C (105.1 F)
200739.4 C (102.9 F)
200841.1 C (106.0 F)
200941.1 C (106.0 F)
201039.4 C (102.9 F)
201138.3 C (100.9 F)
201240.6 C (105.1 F)
201339.4 C (102.9 F)
201441.7 C (107.1 F)
201536.1 C (97.0 F)
201640.6 C (105.1 F)
201738.3 C (100.9 F)
201840.6 C (105.1 F)
201938.9 C (102.0 F)
202042.8 C (109.0 F)
202146.1 C (115.0 F)
202242.8 C (109.0 F)
202342.2 C (108.0 F)
202442.2 C (108.0 F)
202537.8 C (100.0 F)

Coldest night (TNn)

Coldest night (TNn) at The Dalles by year The coldest night of the year at The Dalles, 1893 to 2025. The record is -24.4 C (-11.9 F) in 1950, marked on the chart; the median year is -12.5 C (9.5 F). -30-20-1001900192019401960198020002020Record: -24.4 C (-11.9 F) in 1950
The coldest night of the year at The Dalles, 1893 to 2025. The record is -24.4 C (-11.9 F) in 1950, marked on the chart; the median year is -12.5 C (9.5 F).
Coldest night (TNn) at The Dalles by year
YearColdest night (TNn)
1893-21.1 C (-6.0 F)
1894-16.1 C (3.0 F)
1895-13.3 C (8.1 F)
1896-18.3 C (-0.9 F)
1897-12.8 C (9.0 F)
1898-13.9 C (7.0 F)
1899-18.3 C (-0.9 F)
1900-16.1 C (3.0 F)
1901-8.3 C (17.1 F)
1902-18.9 C (-2.0 F)
1903-8.9 C (16.0 F)
1904-6.1 C (21.0 F)
1905-14.4 C (6.1 F)
1906-10.0 C (14.0 F)
1907-20.0 C (-4.0 F)
1908-11.1 C (12.0 F)
1909-22.2 C (-8.0 F)
1910-16.7 C (1.9 F)
1911-8.9 C (16.0 F)
1912-23.9 C (-11.0 F)
1913-6.7 C (19.9 F)
1914-16.1 C (3.0 F)
1915-11.1 C (12.0 F)
1916-17.2 C (1.0 F)
1917-12.2 C (10.0 F)
1918-11.1 C (12.0 F)
1919-20.0 C (-4.0 F)
1920-8.3 C (17.1 F)
1921-12.8 C (9.0 F)
1922-23.3 C (-9.9 F)
1923-12.8 C (9.0 F)
1924-20.0 C (-4.0 F)
1925-5.0 C (23.0 F)
1926-10.0 C (14.0 F)
1927-17.2 C (1.0 F)
1928-13.3 C (8.1 F)
1929-22.8 C (-9.0 F)
1930-23.3 C (-9.9 F)
1931-13.3 C (8.1 F)
1932-17.8 C (0.0 F)
1933-22.2 C (-8.0 F)
1934-3.3 C (26.1 F)
1935-15.6 C (3.9 F)
1936-20.0 C (-4.0 F)
1937-23.3 C (-9.9 F)
1938-9.4 C (15.1 F)
1939-8.9 C (16.0 F)
1940-10.0 C (14.0 F)
1941-5.0 C (23.0 F)
1942-16.1 C (3.0 F)
1943-19.4 C (-2.9 F)
1944-6.7 C (19.9 F)
1945-6.1 C (21.0 F)
1946-7.8 C (18.0 F)
1947-13.3 C (8.1 F)
1948-13.3 C (8.1 F)
1949-17.8 C (0.0 F)
1950-24.4 C (-11.9 F)
1951-11.7 C (10.9 F)
1952-9.4 C (15.1 F)
1953-2.8 C (27.0 F)
1954-20.0 C (-4.0 F)
1955-16.1 C (3.0 F)
1956-16.7 C (1.9 F)
1957-23.3 C (-9.9 F)
1958-6.7 C (19.9 F)
1959-13.3 C (8.1 F)
1960-9.4 C (15.1 F)
1961-10.0 C (14.0 F)
1962-18.3 C (-0.9 F)
1963-15.0 C (5.0 F)
1964-17.8 C (0.0 F)
1965-6.7 C (19.9 F)
1966-3.3 C (26.1 F)
1967-3.3 C (26.1 F)
1975-6.1 C (21.0 F)
1976-8.9 C (16.0 F)
1977-11.1 C (12.0 F)
1978-14.4 C (6.1 F)
1979-17.8 C (0.0 F)
1980-16.1 C (3.0 F)
1981-7.8 C (18.0 F)
1982-10.0 C (14.0 F)
1983-18.3 C (-0.9 F)
1984-14.4 C (6.1 F)
1985-17.8 C (0.0 F)
1986-5.6 C (21.9 F)
1987-9.4 C (15.1 F)
1988-8.9 C (16.0 F)
1989-18.3 C (-0.9 F)
1990-21.1 C (-6.0 F)
1991-9.4 C (15.1 F)
1992-8.3 C (17.1 F)
1993-13.3 C (8.1 F)
1994-10.0 C (14.0 F)
1995-9.4 C (15.1 F)
1996-19.4 C (-2.9 F)
1997-8.9 C (16.0 F)
1998-16.1 C (3.0 F)
1999-6.1 C (21.0 F)
2000-6.7 C (19.9 F)
2001-6.7 C (19.9 F)
2002-5.6 C (21.9 F)
2003-8.3 C (17.1 F)
2004-7.2 C (19.0 F)
2005-10.0 C (14.0 F)
2006-12.2 C (10.0 F)
2007-11.7 C (10.9 F)
2008-3.9 C (25.0 F)
2009-15.6 C (3.9 F)
2010-11.7 C (10.9 F)
2011-11.7 C (10.9 F)
2012-8.9 C (16.0 F)
2013-21.1 C (-6.0 F)
2014-15.0 C (5.0 F)
2015-11.1 C (12.0 F)
2016-12.2 C (10.0 F)
2017-16.7 C (1.9 F)
2018-11.1 C (12.0 F)
2019-13.3 C (8.1 F)
2020-9.4 C (15.1 F)
2021-7.8 C (18.0 F)
2022-16.7 C (1.9 F)
2023-11.1 C (12.0 F)
2024-17.8 C (0.0 F)
2025-10.6 C (12.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at The Dalles by year The wettest day of the year at The Dalles, 1893 to 2025. The record is 106.7 mm (4.2 in) in 1921, marked on the chart; the median year is 26.0 mm (1.0 in). 02550751001251900192019401960198020002020Record: 106.7 mm (4.2 in) in 1921
The wettest day of the year at The Dalles, 1893 to 2025. The record is 106.7 mm (4.2 in) in 1921, marked on the chart; the median year is 26.0 mm (1.0 in).
Wettest day (Rx1day) at The Dalles by year
YearWettest day (Rx1day)
189342.2 mm (1.7 in)
189436.6 mm (1.4 in)
189539.9 mm (1.6 in)
189634.3 mm (1.4 in)
189723.6 mm (0.9 in)
189816.8 mm (0.7 in)
189925.4 mm (1.0 in)
190016.5 mm (0.6 in)
190129.5 mm (1.2 in)
190221.3 mm (0.8 in)
190338.1 mm (1.5 in)
190432.5 mm (1.3 in)
190521.6 mm (0.9 in)
190629.5 mm (1.2 in)
190728.7 mm (1.1 in)
190818.8 mm (0.7 in)
190946.0 mm (1.8 in)
191019.1 mm (0.8 in)
191125.4 mm (1.0 in)
191242.4 mm (1.7 in)
191319.8 mm (0.8 in)
191433.8 mm (1.3 in)
191516.5 mm (0.6 in)
191628.4 mm (1.1 in)
191740.1 mm (1.6 in)
191831.8 mm (1.3 in)
191934.0 mm (1.3 in)
192024.1 mm (0.9 in)
1921106.7 mm (4.2 in)
192218.3 mm (0.7 in)
192342.2 mm (1.7 in)
192424.1 mm (0.9 in)
192523.6 mm (0.9 in)
192630.5 mm (1.2 in)
192731.8 mm (1.3 in)
192846.7 mm (1.8 in)
192931.8 mm (1.3 in)
193026.2 mm (1.0 in)
193119.1 mm (0.8 in)
193225.1 mm (1.0 in)
193340.6 mm (1.6 in)
193425.4 mm (1.0 in)
193517.8 mm (0.7 in)
193630.5 mm (1.2 in)
193720.8 mm (0.8 in)
193818.3 mm (0.7 in)
193915.0 mm (0.6 in)
194038.6 mm (1.5 in)
194119.8 mm (0.8 in)
194225.4 mm (1.0 in)
194331.2 mm (1.2 in)
194419.3 mm (0.8 in)
194532.3 mm (1.3 in)
194621.3 mm (0.8 in)
194728.2 mm (1.1 in)
194849.8 mm (2.0 in)
194924.4 mm (1.0 in)
195021.8 mm (0.9 in)
195126.9 mm (1.1 in)
195219.6 mm (0.8 in)
195340.9 mm (1.6 in)
195425.7 mm (1.0 in)
195530.2 mm (1.2 in)
195655.6 mm (2.2 in)
195717.8 mm (0.7 in)
195824.9 mm (1.0 in)
195924.1 mm (0.9 in)
196027.4 mm (1.1 in)
196145.2 mm (1.8 in)
196215.2 mm (0.6 in)
196323.9 mm (0.9 in)
196450.8 mm (2.0 in)
196526.9 mm (1.1 in)
196643.4 mm (1.7 in)
196711.9 mm (0.5 in)
197521.1 mm (0.8 in)
197613.7 mm (0.5 in)
197739.4 mm (1.6 in)
197820.3 mm (0.8 in)
197923.6 mm (0.9 in)
198038.1 mm (1.5 in)
198140.6 mm (1.6 in)
198235.1 mm (1.4 in)
198327.4 mm (1.1 in)
198433.0 mm (1.3 in)
198512.2 mm (0.5 in)
198623.6 mm (0.9 in)
198735.6 mm (1.4 in)
198822.6 mm (0.9 in)
198933.5 mm (1.3 in)
199026.2 mm (1.0 in)
199123.6 mm (0.9 in)
199221.6 mm (0.9 in)
199315.7 mm (0.6 in)
199441.4 mm (1.6 in)
199523.6 mm (0.9 in)
199648.3 mm (1.9 in)
199729.5 mm (1.2 in)
199839.6 mm (1.6 in)
199923.1 mm (0.9 in)
200024.1 mm (0.9 in)
200133.3 mm (1.3 in)
200215.5 mm (0.6 in)
200318.0 mm (0.7 in)
200417.5 mm (0.7 in)
200520.8 mm (0.8 in)
200623.4 mm (0.9 in)
200723.4 mm (0.9 in)
200810.7 mm (0.4 in)
200950.8 mm (2.0 in)
201050.8 mm (2.0 in)
201155.9 mm (2.2 in)
201225.7 mm (1.0 in)
201331.5 mm (1.2 in)
201419.1 mm (0.8 in)
201537.6 mm (1.5 in)
201622.9 mm (0.9 in)
201730.5 mm (1.2 in)
201816.0 mm (0.6 in)
201924.1 mm (0.9 in)
202015.2 mm (0.6 in)
202116.5 mm (0.6 in)
202250.8 mm (2.0 in)
202350.8 mm (2.0 in)
202433.0 mm (1.3 in)
202528.2 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at The Dalles by year The wettest five days of the year at The Dalles, 1893 to 2025. The record is 226.1 mm (8.9 in) in 1921, marked on the chart; the median year is 49.8 mm (2.0 in). 01002003001900192019401960198020002020Record: 226.1 mm (8.9 in) in 1921
The wettest five days of the year at The Dalles, 1893 to 2025. The record is 226.1 mm (8.9 in) in 1921, marked on the chart; the median year is 49.8 mm (2.0 in).
Wettest five days (Rx5day) at The Dalles by year
YearWettest five days (Rx5day)
189387.8 mm (3.5 in)
189465.4 mm (2.6 in)
189570.0 mm (2.8 in)
189659.4 mm (2.3 in)
189748.3 mm (1.9 in)
189825.7 mm (1.0 in)
189957.1 mm (2.2 in)
190032.4 mm (1.3 in)
190170.9 mm (2.8 in)
190247.2 mm (1.9 in)
190347.4 mm (1.9 in)
190465.7 mm (2.6 in)
190542.7 mm (1.7 in)
190650.3 mm (2.0 in)
190775.4 mm (3.0 in)
190824.7 mm (1.0 in)
190953.4 mm (2.1 in)
191038.4 mm (1.5 in)
191146.0 mm (1.8 in)
1912104.2 mm (4.1 in)
191331.7 mm (1.2 in)
191453.0 mm (2.1 in)
191545.5 mm (1.8 in)
191667.7 mm (2.7 in)
191757.7 mm (2.3 in)
191835.6 mm (1.4 in)
191950.0 mm (2.0 in)
192050.1 mm (2.0 in)
1921226.1 mm (8.9 in)
192242.3 mm (1.7 in)
192348.1 mm (1.9 in)
192448.7 mm (1.9 in)
192537.9 mm (1.5 in)
192662.2 mm (2.4 in)
192764.1 mm (2.5 in)
192850.0 mm (2.0 in)
192956.4 mm (2.2 in)
193031.8 mm (1.3 in)
193134.4 mm (1.4 in)
193233.0 mm (1.3 in)
193348.2 mm (1.9 in)
193441.4 mm (1.6 in)
193534.8 mm (1.4 in)
193662.5 mm (2.5 in)
193755.3 mm (2.2 in)
193842.9 mm (1.7 in)
193924.4 mm (1.0 in)
194056.4 mm (2.2 in)
194148.0 mm (1.9 in)
194249.7 mm (2.0 in)
194386.3 mm (3.4 in)
194438.6 mm (1.5 in)
194561.9 mm (2.4 in)
194655.6 mm (2.2 in)
194736.3 mm (1.4 in)
194868.0 mm (2.7 in)
194944.9 mm (1.8 in)
195049.8 mm (2.0 in)
195155.4 mm (2.2 in)
195233.6 mm (1.3 in)
195363.1 mm (2.5 in)
195460.8 mm (2.4 in)
195555.0 mm (2.2 in)
195678.0 mm (3.1 in)
195755.3 mm (2.2 in)
195851.0 mm (2.0 in)
195936.3 mm (1.4 in)
196058.1 mm (2.3 in)
196168.8 mm (2.7 in)
196247.5 mm (1.9 in)
196354.9 mm (2.2 in)
1964159.3 mm (6.3 in)
196545.2 mm (1.8 in)
196681.0 mm (3.2 in)
196733.3 mm (1.3 in)
197531.3 mm (1.2 in)
197626.9 mm (1.1 in)
1977108.5 mm (4.3 in)
197829.6 mm (1.2 in)
197939.8 mm (1.6 in)
198095.8 mm (3.8 in)
198168.3 mm (2.7 in)
198249.1 mm (1.9 in)
198356.3 mm (2.2 in)
198450.3 mm (2.0 in)
198527.7 mm (1.1 in)
198656.9 mm (2.2 in)
198760.2 mm (2.4 in)
198844.7 mm (1.8 in)
198937.1 mm (1.5 in)
199048.0 mm (1.9 in)
199149.5 mm (1.9 in)
199247.3 mm (1.9 in)
199327.2 mm (1.1 in)
199480.3 mm (3.2 in)
199559.7 mm (2.4 in)
199671.6 mm (2.8 in)
199786.6 mm (3.4 in)
199852.1 mm (2.1 in)
199947.8 mm (1.9 in)
200053.1 mm (2.1 in)
200153.4 mm (2.1 in)
200216.8 mm (0.7 in)
200345.5 mm (1.8 in)
200426.4 mm (1.0 in)
200529.7 mm (1.2 in)
200659.7 mm (2.4 in)
200740.5 mm (1.6 in)
200833.3 mm (1.3 in)
200988.9 mm (3.5 in)
2010106.7 mm (4.2 in)
201158.7 mm (2.3 in)
201252.8 mm (2.1 in)
201336.9 mm (1.5 in)
201442.7 mm (1.7 in)
201551.5 mm (2.0 in)
201629.4 mm (1.2 in)
201733.1 mm (1.3 in)
201834.0 mm (1.3 in)
201942.9 mm (1.7 in)
202036.5 mm (1.4 in)
202138.2 mm (1.5 in)
202276.2 mm (3.0 in)
202390.9 mm (3.6 in)
202431.6 mm (1.2 in)
2025n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at The Dalles by year The longest dry spell of the year at The Dalles, 1893 to 2025. The record is 154 days in 2021, marked on the chart; the median year is 61 days. 0501001502001900192019401960198020002020Record: 154 days in 2021
The longest dry spell of the year at The Dalles, 1893 to 2025. The record is 154 days in 2021, marked on the chart; the median year is 61 days.
Longest dry spell (CDD) at The Dalles by year
YearLongest dry spell (CDD)
189359 days
189460 days
189556 days
189657 days
189744 days
189860 days
189968 days
190074 days
190155 days
190249 days
190351 days
190443 days
190532 days
190667 days
190734 days
190861 days
190959 days
191092 days
191134 days
191248 days
191359 days
191472 days
191557 days
191651 days
191771 days
191854 days
191950 days
192046 days
192180 days
192263 days
192333 days
192475 days
1925108 days
192683 days
192777 days
192870 days
192997 days
1930112 days
193163 days
1932135 days
193372 days
193461 days
193566 days
193656 days
193741 days
193886 days
193963 days
194054 days
194144 days
194270 days
194365 days
194488 days
1945115 days
194652 days
194750 days
194830 days
194980 days
195099 days
195182 days
195269 days
195353 days
195447 days
195548 days
195644 days
195765 days
195877 days
195992 days
196061 days
196140 days
196268 days
1963108 days
196467 days
196533 days
196661 days
196739 days
197538 days
197629 days
197751 days
197844 days
197941 days
198065 days
198174 days
198235 days
198341 days
198476 days
198554 days
198655 days
198778 days
198866 days
198930 days
199045 days
199178 days
199259 days
199344 days
1994117 days
199531 days
199676 days
199780 days
199818 days
199936 days
2000110 days
200120 days
200225 days
200393 days
200456 days
200562 days
200665 days
200743 days
200858 days
200992 days
201070 days
201170 days
2012111 days
201344 days
201426 days
201535 days
201634 days
201731 days
201887 days
2019115 days
202097 days
2021154 days
202291 days
2023115 days
202462 days
20253 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

98 years with a frost

Across 98 years with a frost, the median last spring frost at The Dalles falls on 8 April and the median first autumn frost on 25 October, which leaves a median of 199 days between them.

In 1966 to 2022 the median growing season was 210 days. That is 18 days more than in 1893 to 1924.

Fitted over all years, the growing season changes by +2.0 days per decade at this station.

Frost dates and growing season at The Dalles
MeasureMedian, all yearsEarliest period (1893 to 1924)Recent period (1966 to 2022)Recent against earliestFitted trend
Last spring frost8 April15 April3 April12 days earlier-1.4 days per decade
First autumn frost25 October23 October26 October3 days later+0.5 days per decade
Growing days199 days192 days210 days18 days more+2.0 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

103 years, 1893 to 2024

A day with at least 26.8 mm (1.1 in) of rain is expected about once in 2 years. A day with at least 73.0 mm (2.9 in) of rain is expected about once in 100 years.

Rainfall return levels at The Dalles: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years26.8 mm (1.1 in)
5 years36.9 mm (1.5 in)
10 years44.4 mm (1.7 in)
25 years55.0 mm (2.2 in)
50 years63.6 mm (2.5 in)
100 years73.0 mm (2.9 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 103 years of values from 1893 to 2024.

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: 106.7 mm (4.2 in) in 1921; 55.9 mm (2.2 in) in 2011; 55.6 mm (2.2 in) in 1956.

Station Changes

2 suspected

2 changes were suspected in the annual mean temperature of The Dalles, at 1931 and 1941. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1931 ran 0.6 C (1.0 F) lower than in the years before (likely change).
  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1941 ran 0.6 C (1.0 F) higher than in the years before (possible change).
Suspected changes in the annual mean temperature at The Dalles, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1931-0.5-1.0likely5
1941+0.6+1.0possible5

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 The Dalles standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for The Dalles 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).