Built 2026-10-16 (16 October 2026)

Loa Weather Records (USC00425148)

Record envelope, standing records and threshold days for Loa (USC00425148), Utah, United States, with 134 years of record.

Key Facts for Loa

  • Loa (USC00425148) is a weather station in Utah, United States at 38.41 latitude and -111.64 longitude, 2,153 m (7,065 ft) above sea level.
  • The station reports from 1893 to 2026, 134 years of record.
  • 1,464 records set at Loa still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Loa set a daily record high minimum temperature of 10.0 C (50.0 F) on 28 September 2026 (provisional).

Provisional Records

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

About the Station

  • Location: Utah, United States, 38.41 latitude, -111.64 longitude.
  • Elevation: 2,153 m (7,065 ft).
  • Period of record: 1893 to 2026, 134 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

24 days at or beyond a record
Daily record high and record low at Loa, with 2026 drawn through them The band shows the record high and record low for each calendar day at Loa. The lines show the 2026 daily maximum and minimum. 24 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 Loa. The lines show the 2026 daily maximum and minimum. 24 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Loa, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-36.1 C (-33.0 F)15.0 C (59.0 F)-17.2 C (1.0 F)
Feb21.1 C (70.0 F)-38.3 C (-36.9 F)17.8 C (64.0 F)-22.8 C (-9.0 F)
Mar29.4 C (84.9 F)-26.1 C (-15.0 F)29.4 C (84.9 F)-10.6 C (12.9 F)
Apr27.2 C (81.0 F)-19.4 C (-2.9 F)23.9 C (75.0 F)-10.0 C (14.0 F)
May33.3 C (91.9 F)-12.2 C (10.0 F)31.1 C (88.0 F)-5.0 C (23.0 F)
Jun36.7 C (98.1 F)-7.2 C (19.0 F)32.8 C (91.0 F)2.8 C (37.0 F)
Jul38.3 C (100.9 F)-7.2 C (19.0 F)33.9 C (93.0 F)2.8 C (37.0 F)
Aug37.8 C (100.0 F)-5.0 C (23.0 F)35.0 C (95.0 F)6.7 C (44.1 F)
Sep33.9 C (93.0 F)-12.2 C (10.0 F)28.9 C (84.0 F)1.7 C (35.1 F)
Oct28.9 C (84.0 F)-22.8 C (-9.0 F)25.6 C (78.1 F)2.2 C (36.0 F)
Nov23.9 C (75.0 F)-27.8 C (-18.0 F)n/an/a
Dec19.4 C (66.9 F)-33.3 C (-27.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Loa by the year they were set 1,464 records at Loa still stand. 1902 holds the most, with 63. 0204060801893: 111894: 161895: 121896: 291897: 231898: 291899: 121900: 231901: 261902: 631903: 631904: 181905: 131906: 121907: 211908: 281909: 191910: 11912: 11921: 41922: 141923: 221924: 111925: 41926: 141927: 161928: 41929: 111930: 101931: 121932: 81933: 161934: 151935: 71936: 81937: 181938: 101939: 151940: 51941: 41942: 101943: 121944: 81945: 111946: 51947: 171948: 131949: 151950: 181951: 161952: 71953: 71954: 71955: 91956: 101957: 91958: 61959: 121960: 81961: 101962: 151963: 131964: 101965: 161966: 111967: 151968: 91969: 201970: 71971: 181972: 121973: 71974: 91975: 61976: 31977: 171978: 71979: 91980: 131981: 31982: 71983: 41984: 111985: 91986: 171987: 61988: 121989: 201990: 191991: 41992: 11993: 21994: 52004: 32005: 52006: 82007: 72008: 102009: 82010: 112011: 42012: 82013: 152014: 62015: 72016: 92017: 232018: 102019: 152020: 162021: 92022: 82023: 132024: 122025: 262026: 361893190519261938195019621974198620072019
1,464 records at Loa still stand. 1902 holds the most, with 63.
Standing records at Loa by the year they were set
Year setStanding records
189311
189416
189512
189629
189723
189829
189912
190023
190126
190263
190363
190418
190513
190612
190721
190828
190919
19101
19121
19214
192214
192322
192411
19254
192614
192716
19284
192911
193010
193112
19328
193316
193415
19357
19368
193718
193810
193915
19405
19414
194210
194312
19448
194511
19465
194717
194813
194915
195018
195116
19527
19537
19547
19559
195610
19579
19586
195912
19608
196110
196215
196313
196410
196516
196611
196715
19689
196920
19707
197118
197212
19737
19749
19756
19763
197717
19787
19799
198013
19813
19827
19834
198411
19859
198617
19876
198812
198920
199019
19914
19921
19932
19945
20043
20055
20068
20077
200810
20098
201011
20114
20128
201315
20146
20157
20169
201723
201810
201915
202016
20219
20228
202313
202412
202526
202636

All-Time Record Progression

5 new records
When Loa set new all-time records 5 all-time records were set at Loa between 5 July 1942 and 22 December 1990. Each dot is a new record. Record high minimum temperatureRecord low maximum temperatureRecord snow depth5 July 1942: Record high minimum temperature 18.3 C (64.9 F)28 July 1946: Record high minimum temperature 20.0 C (68.0 F)12 January 1963: Record low maximum temperature -12.8 C (9.0 F)28 March 1985: Record snow depth 48.3 cm (19.0 in)22 December 1990: Record low maximum temperature -14.4 C (6.1 F)19501960197019801990
5 all-time records were set at Loa between 5 July 1942 and 22 December 1990. Each dot is a new record.
When Loa set new all-time records
DateKindDetail
1942-07-05Record high minimum temperatureRecord high minimum temperature 18.3 C (64.9 F)
1946-07-28Record high minimum temperatureRecord high minimum temperature 20.0 C (68.0 F)
1963-01-12Record low maximum temperatureRecord low maximum temperature -12.8 C (9.0 F)
1985-03-28Record snow depthRecord snow depth 48.3 cm (19.0 in)
1990-12-22Record low maximum temperatureRecord low maximum temperature -14.4 C (6.1 F)

Wettest Day of Each Month

Mar: 50.8 mm (2.0 in)
Record daily precipitation for each month at Loa The wettest day on record for each calendar month at Loa. The most was 50.8 mm (2.0 in) on 16 March 1906. 0204060 Jan: 38.1 mm (1.5 in), 14 January 1990 Jan Feb: 33.0 mm (1.3 in), 10 February 1905 Feb Mar: 50.8 mm (2.0 in), 16 March 1906 Mar Apr: 50.8 mm (2.0 in), 6 April 1906 Apr May: 33.0 mm (1.3 in), 10 May 1922 May Jun: 39.4 mm (1.6 in), 25 June 1937 Jun Jul: 40.4 mm (1.6 in), 14 July 1896 Jul Aug: 39.4 mm (1.6 in), 26 August 1988 Aug Sep: 31.8 mm (1.3 in), 6 September 1939 Sep Oct: 33.0 mm (1.3 in), 2 October 1933 Oct Nov: 25.4 mm (1.0 in), 30 November 1933 Nov Dec: 15.2 mm (0.6 in), 27 December 1907 Dec
The wettest day on record for each calendar month at Loa. The most was 50.8 mm (2.0 in) on 16 March 1906.
Record daily precipitation for each month at Loa
MonthRecord daily precipitation (mm)Date
Jan38.1 mm (1.5 in)14 January 1990
Feb33.0 mm (1.3 in)10 February 1905
Mar50.8 mm (2.0 in)16 March 1906
Apr50.8 mm (2.0 in)6 April 1906
May33.0 mm (1.3 in)10 May 1922
Jun39.4 mm (1.6 in)25 June 1937
Jul40.4 mm (1.6 in)14 July 1896
Aug39.4 mm (1.6 in)26 August 1988
Sep31.8 mm (1.3 in)6 September 1939
Oct33.0 mm (1.3 in)2 October 1933
Nov25.4 mm (1.0 in)30 November 1933
Dec15.2 mm (0.6 in)27 December 1907

Period of Record Coverage

1893 to 2026
Days with data per year at Loa 118 years of record at Loa, 1893 to 2026. 26 years have data for under 90 percent of days and are left out of rankings: 1898, 1901, 1903, 1904, 1910, 1911, 1912, 1913 and others. 1893: 364 of 365 days1894: 364 of 365 days1895: 352 of 365 days1896: 363 of 366 days1897: 365 of 365 days1898: 304 of 365 days1899: 364 of 365 days1900: 361 of 365 days1901: 312 of 365 days1902: 353 of 365 days1903: 327 of 365 days1904: 328 of 366 days1905: 352 of 365 days1906: 355 of 365 days1907: 363 of 365 days1908: 359 of 366 days1909: 363 of 365 days1910: 120 of 365 days1911: 80 of 365 days1912: 29 of 366 days1913: 12 of 365 days1921: 132 of 365 days1922: 363 of 365 days1923: 357 of 365 days1924: 363 of 366 days1925: 318 of 365 days1926: 263 of 365 days1927: 362 of 365 days1928: 333 of 366 days1929: 319 of 365 days1930: 335 of 365 days1931: 249 of 365 days1932: 286 of 366 days1933: 252 of 365 days1934: 164 of 365 days1935: 255 of 365 days1936: 354 of 366 days1937: 365 of 365 days1938: 363 of 365 days1939: 363 of 365 days1940: 359 of 366 days1941: 363 of 365 days1942: 362 of 365 days1943: 364 of 365 days1944: 362 of 366 days1945: 364 of 365 days1946: 361 of 365 days1947: 364 of 365 days1948: 365 of 366 days1949: 365 of 365 days1950: 334 of 365 days1951: 364 of 365 days1952: 365 of 366 days1953: 365 of 365 days1954: 363 of 365 days1955: 352 of 365 days1956: 360 of 366 days1957: 364 of 365 days1958: 354 of 365 days1959: 364 of 365 days1960: 364 of 366 days1961: 361 of 365 days1962: 360 of 365 days1963: 365 of 365 days1964: 365 of 366 days1965: 364 of 365 days1966: 356 of 365 days1967: 365 of 365 days1968: 364 of 366 days1969: 359 of 365 days1970: 360 of 365 days1971: 348 of 365 days1972: 327 of 366 days1973: 328 of 365 days1974: 313 of 365 days1975: 336 of 365 days1976: 358 of 366 days1977: 350 of 365 days1978: 361 of 365 days1979: 363 of 365 days1980: 356 of 366 days1981: 359 of 365 days1982: 354 of 365 days1983: 344 of 365 days1984: 316 of 366 days1985: 334 of 365 days1986: 353 of 365 days1987: 343 of 365 days1988: 353 of 366 days1989: 350 of 365 days1990: 354 of 365 days1991: 220 of 365 days1992: 333 of 366 days1993: 331 of 365 days1994: 241 of 365 days2004: 184 of 366 days2005: 331 of 365 days2006: 328 of 365 days2007: 361 of 365 days2008: 366 of 366 days2009: 357 of 365 days2010: 358 of 365 days2011: 364 of 365 days2012: 364 of 366 days2013: 358 of 365 days2014: 363 of 365 days2015: 356 of 365 days2016: 351 of 366 days2017: 364 of 365 days2018: 365 of 365 days2019: 364 of 365 days2020: 364 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 364 of 366 days2025: 364 of 365 days2026: 281 of 365 days1905193519501965198020102025
118 years of record at Loa, 1893 to 2026. 26 years have data for under 90 percent of days and are left out of rankings: 1898, 1901, 1903, 1904, 1910, 1911, 1912, 1913 and others.
Days with data per year at Loa
YearDays with dataShare of yearComplete
1893364100%Yes
1894364100%Yes
189535296%Yes
189636399%Yes
1897365100%Yes
189830483%No
1899364100%Yes
190036199%Yes
190131285%No
190235397%Yes
190332790%No
190432890%No
190535296%Yes
190635597%Yes
190736399%Yes
190835998%Yes
190936399%Yes
191012033%No
19118022%No
1912298%No
1913123%No
192113236%No
192236399%Yes
192335798%Yes
192436399%Yes
192531887%No
192626372%No
192736299%Yes
192833391%Yes
192931987%No
193033592%Yes
193124968%No
193228678%No
193325269%No
193416445%No
193525570%No
193635497%Yes
1937365100%Yes
193836399%Yes
193936399%Yes
194035998%Yes
194136399%Yes
194236299%Yes
1943364100%Yes
194436299%Yes
1945364100%Yes
194636199%Yes
1947364100%Yes
1948365100%Yes
1949365100%Yes
195033492%Yes
1951364100%Yes
1952365100%Yes
1953365100%Yes
195436399%Yes
195535296%Yes
195636098%Yes
1957364100%Yes
195835497%Yes
1959364100%Yes
196036499%Yes
196136199%Yes
196236099%Yes
1963365100%Yes
1964365100%Yes
1965364100%Yes
196635698%Yes
1967365100%Yes
196836499%Yes
196935998%Yes
197036099%Yes
197134895%Yes
197232789%No
197332890%No
197431386%No
197533692%Yes
197635898%Yes
197735096%Yes
197836199%Yes
197936399%Yes
198035697%Yes
198135998%Yes
198235497%Yes
198334494%Yes
198431686%No
198533492%Yes
198635397%Yes
198734394%Yes
198835396%Yes
198935096%Yes
199035497%Yes
199122060%No
199233391%Yes
199333191%Yes
199424166%No
200418450%No
200533191%Yes
200632890%No
200736199%Yes
2008366100%Yes
200935798%Yes
201035898%Yes
2011364100%Yes
201236499%Yes
201335898%Yes
201436399%Yes
201535698%Yes
201635196%Yes
2017364100%Yes
2018365100%Yes
2019364100%Yes
202036499%Yes
2021364100%Yes
2022365100%Yes
2023365100%Yes
202436499%Yes
2025364100%Yes
202628177%No

Latest Records

20
Latest records at Loa
DateStationRecordValueBeat old record byOld record stoodSignificance
28 September 2026Loa, USdaily high min (Provisional)10.0 C (50.0 F)1.1 C (2.0 F)68 years32 of 100 (Routine)
17 September 2026Loa, USdaily high min (Provisional)11.7 C (53.1 F)2.3 C (4.1 F)43 years27 of 100 (Routine)
14 September 2026Loa, USdaily high min (Provisional)11.7 C (53.1 F)1.7 C (3.1 F)36 years24 of 100 (Routine)
12 September 2026Loa, USdaily high min (Tie, Provisional)12.8 C (55.0 F)tie68 years7 of 100 (Routine)
30 August 2026Loa, USdaily high min (Provisional)13.3 C (55.9 F)1.6 C (2.9 F)7 years16 of 100 (Routine)
29 August 2026Loa, USdaily high min (Provisional)12.8 C (55.0 F)0.6 C (1.1 F)59 years28 of 100 (Routine)
12 August 2026Loa, USdaily high min13.9 C (57.0 F)0.6 C (1.1 F)32 years20 of 100 (Routine)
9 August 2026Loa, USdaily high min (Tie)14.4 C (57.9 F)tie56 years6 of 100 (Routine)
2 August 2026Loa, USdaily high min (Tie)13.9 C (57.0 F)tie17 years3 of 100 (Routine)
29 July 2026Loa, USdaily high min17.2 C (63.0 F)0.5 C (0.9 F)80 years35 of 100 (Notable)
29 July 2026Loa, USdaily rain16.0 mm (0.6 in)0.3 mm (0.01 in)12 years13 of 100 (Routine)
22 July 2026Loa, USdaily high min15.0 C (59.0 F)0.6 C (1.1 F)80 years35 of 100 (Notable)
21 July 2026Loa, USdaily high min16.7 C (62.1 F)1.1 C (2.0 F)8 years15 of 100 (Routine)
18 July 2026Loa, USdaily high min15.0 C (59.0 F)0.6 C (1.1 F)36 years21 of 100 (Routine)
19 June 2026Loa, USdaily high max32.8 C (91.0 F)0.6 C (1.1 F)125 years41 of 100 (Notable)
6 June 2026Loa, USdaily high max (Tie)31.7 C (89.1 F)tie1 year2 of 100 (Routine)
16 May 2026Loa, USdaily high min (Tie)7.2 C (45.0 F)tie88 years9 of 100 (Routine)
13 May 2026Loa, USdaily high max31.1 C (88.0 F)2.2 C (4.0 F)99 years43 of 100 (Notable)
13 May 2026Loa, USdaily high min (Tie)6.7 C (44.1 F)tie3 years2 of 100 (Routine)
12 May 2026Loa, USdaily high max28.9 C (84.0 F)1.1 C (2.0 F)65 years31 of 100 (Routine)

Climate Trend

84 complete years, 1893 to 2025
Annual mean temperature at Loa as warming stripes, 1893 to 2025 One stripe for each of 84 complete years at Loa, 1893 to 2025. Blue stripes are years cooler than the station's own mean of 6.4 C (43.5 F); red stripes are warmer. The coolest year was 1908, at 3.8 C (38.8 F), and the warmest was 2025, at 8.6 C (47.4 F). The strongest colour marks a difference of 2.7 C (4.9 F). 1893: 6.3 C, 0.0 C from the station mean1894: 6.0 C, -0.4 C from the station mean1896: 6.4 C, +0.1 C from the station mean1897: 5.1 C, -1.3 C from the station mean1899: 6.1 C, -0.3 C from the station mean1900: 6.0 C, -0.4 C from the station mean1905: 5.3 C, -1.1 C from the station mean1906: 5.4 C, -1.0 C from the station mean1907: 5.1 C, -1.2 C from the station mean1908: 3.8 C, -2.6 C from the station mean1909: 5.0 C, -1.4 C from the station mean1922: 6.7 C, +0.3 C from the station mean1923: 6.4 C, 0.0 C from the station mean1924: 5.9 C, -0.5 C from the station mean1927: 6.5 C, +0.1 C from the station mean1930: 5.2 C, -1.2 C from the station mean1932: 5.7 C, -0.7 C from the station mean1936: 7.1 C, +0.7 C from the station mean1937: 6.1 C, -0.3 C from the station mean1938: 6.0 C, -0.4 C from the station mean1939: 5.9 C, -0.5 C from the station mean1940: 6.6 C, +0.2 C from the station mean1941: 5.7 C, -0.6 C from the station mean1942: 6.3 C, -0.1 C from the station mean1943: 6.5 C, +0.1 C from the station mean1944: 4.7 C, -1.7 C from the station mean1945: 6.2 C, -0.2 C from the station mean1946: 6.5 C, +0.1 C from the station mean1947: 6.3 C, -0.1 C from the station mean1948: 5.3 C, -1.1 C from the station mean1949: 5.2 C, -1.2 C from the station mean1951: 5.8 C, -0.6 C from the station mean1952: 5.5 C, -0.8 C from the station mean1953: 6.4 C, 0.0 C from the station mean1954: 6.7 C, +0.3 C from the station mean1955: 5.5 C, -0.9 C from the station mean1956: 6.3 C, -0.1 C from the station mean1957: 6.2 C, -0.1 C from the station mean1958: 6.9 C, +0.5 C from the station mean1959: 6.7 C, +0.3 C from the station mean1960: 6.5 C, +0.1 C from the station mean1961: 6.1 C, -0.2 C from the station mean1962: 6.3 C, 0.0 C from the station mean1963: 6.7 C, +0.3 C from the station mean1964: 5.2 C, -1.1 C from the station mean1965: 5.9 C, -0.5 C from the station mean1966: 6.5 C, +0.1 C from the station mean1967: 6.3 C, -0.1 C from the station mean1968: 5.7 C, -0.7 C from the station mean1969: 6.4 C, 0.0 C from the station mean1970: 6.1 C, -0.3 C from the station mean1971: 5.6 C, -0.8 C from the station mean1976: 6.6 C, +0.2 C from the station mean1977: 7.5 C, +1.1 C from the station mean1978: 6.4 C, 0.0 C from the station mean1979: 5.9 C, -0.5 C from the station mean1980: 6.7 C, +0.3 C from the station mean1981: 7.3 C, +0.9 C from the station mean1982: 5.8 C, -0.6 C from the station mean1983: 6.8 C, +0.4 C from the station mean1986: 7.5 C, +1.1 C from the station mean1987: 6.9 C, +0.5 C from the station mean1988: 7.2 C, +0.8 C from the station mean1989: 6.9 C, +0.5 C from the station mean1990: 7.3 C, +0.9 C from the station mean2007: 7.3 C, +0.9 C from the station mean2008: 6.2 C, -0.2 C from the station mean2009: 6.5 C, +0.1 C from the station mean2010: 6.7 C, +0.3 C from the station mean2011: 6.3 C, -0.1 C from the station mean2012: 7.6 C, +1.2 C from the station mean2013: 6.0 C, -0.3 C from the station mean2014: 7.7 C, +1.3 C from the station mean2015: 7.5 C, +1.2 C from the station mean2016: 7.3 C, +0.9 C from the station mean2017: 8.0 C, +1.6 C from the station mean2018: 7.6 C, +1.3 C from the station mean2019: 6.0 C, -0.4 C from the station mean2020: 7.3 C, +0.9 C from the station mean2021: 7.5 C, +1.1 C from the station mean2022: 7.3 C, +1.0 C from the station mean2023: 6.7 C, +0.3 C from the station mean2024: 8.1 C, +1.8 C from the station mean2025: 8.6 C, +2.2 C from the station mean18931900191019201930194019501960197019801990200020102020
One stripe for each of 84 complete years at Loa, 1893 to 2025. Blue stripes are years cooler than the station's own mean of 6.4 C (43.5 F); red stripes are warmer. The coolest year was 1908, at 3.8 C (38.8 F), and the warmest was 2025, at 8.6 C (47.4 F). The strongest colour marks a difference of 2.7 C (4.9 F).
Annual mean temperature at Loa as warming stripes, 1893 to 2025
YearAnnual mean temperatureDifference from the station mean
18936.3 C-0.04 C
18946.0 C-0.41 C
18966.4 C+0.06 C
18975.1 C-1.32 C
18996.1 C-0.25 C
19006.0 C-0.40 C
19055.3 C-1.08 C
19065.4 C-0.97 C
19075.1 C-1.24 C
19083.8 C-2.60 C
19095.0 C-1.36 C
19226.7 C+0.31 C
19236.4 C+0.03 C
19245.9 C-0.51 C
19276.5 C+0.13 C
19305.2 C-1.22 C
19325.7 C-0.70 C
19367.1 C+0.68 C
19376.1 C-0.26 C
19386.0 C-0.41 C
19395.9 C-0.48 C
19406.6 C+0.23 C
19415.7 C-0.63 C
19426.3 C-0.07 C
19436.5 C+0.12 C
19444.7 C-1.68 C
19456.2 C-0.19 C
19466.5 C+0.13 C
19476.3 C-0.10 C
19485.3 C-1.05 C
19495.2 C-1.15 C
19515.8 C-0.58 C
19525.5 C-0.83 C
19536.4 C-0.02 C
19546.7 C+0.32 C
19555.5 C-0.92 C
19566.3 C-0.08 C
19576.2 C-0.14 C
19586.9 C+0.54 C
19596.7 C+0.28 C
19606.5 C+0.11 C
19616.1 C-0.24 C
19626.3 C-0.03 C
19636.7 C+0.29 C
19645.2 C-1.14 C
19655.9 C-0.47 C
19666.5 C+0.10 C
19676.3 C-0.05 C
19685.7 C-0.65 C
19696.4 C+0.01 C
19706.1 C-0.26 C
19715.6 C-0.79 C
19766.6 C+0.25 C
19777.5 C+1.08 C
19786.4 C-0.02 C
19795.9 C-0.45 C
19806.7 C+0.35 C
19817.3 C+0.90 C
19825.8 C-0.55 C
19836.8 C+0.41 C
19867.5 C+1.10 C
19876.9 C+0.54 C
19887.2 C+0.84 C
19896.9 C+0.55 C
19907.3 C+0.88 C
20077.3 C+0.89 C
20086.2 C-0.15 C
20096.5 C+0.14 C
20106.7 C+0.31 C
20116.3 C-0.06 C
20127.6 C+1.19 C
20136.0 C-0.33 C
20147.7 C+1.33 C
20157.5 C+1.17 C
20167.3 C+0.88 C
20178.0 C+1.64 C
20187.6 C+1.26 C
20196.0 C-0.35 C
20207.3 C+0.90 C
20217.5 C+1.08 C
20227.3 C+0.96 C
20236.7 C+0.35 C
20248.1 C+1.76 C
20258.6 C+2.18 C

The annual mean temperature here has risen by 0.1 C (0.1 to 0.2) per decade over 1893 to 2025. In Fahrenheit: 0.3 F (0.2 to 0.3) per decade. The slope is a straight line fitted to 84 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Loa
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (0.1 to 0.2) per decade0.3 F (0.2 to 0.3) per decade1893 to 202584Rise
Mean daily maximum0.08 C (0.03 to 0.13) per decade0.1 F (0.1 to 0.2) per decade1893 to 202584Rise
Mean daily minimum0.2 C (0.2 to 0.3) per decade0.4 F (0.3 to 0.5) per decade1893 to 202584Rise

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 2026
Yearly extremes at Loa: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.3 C (100.9 F)190333.1 C (91.5 F)118
Coldest night (TNn)-38.3 C (-36.9 F)1929-26.7 C (-16.1 F)118
Wettest day (Rx1day)50.8 mm (2.0 in)190621.1 mm (0.8 in)117
Wettest five days (Rx5day)101.6 mm (4.0 in)190630.0 mm (1.2 in)115
Longest dry spell (CDD)132 days194442 days116

Hottest day (TXx)

Hottest day (TXx) at Loa by year The hottest day of the year at Loa, 1893 to 2026. The record is 38.3 C (100.9 F) in 1903, marked on the chart; the median year is 33.1 C (91.5 F). 102030401900192019401960198020002020Record: 38.3 C (100.9 F) in 1903
The hottest day of the year at Loa, 1893 to 2026. The record is 38.3 C (100.9 F) in 1903, marked on the chart; the median year is 33.1 C (91.5 F).
Hottest day (TXx) at Loa by year
YearHottest day (TXx)
189335.6 C (96.1 F)
189436.1 C (97.0 F)
189533.9 C (93.0 F)
189635.6 C (96.1 F)
189736.7 C (98.1 F)
189835.6 C (96.1 F)
189936.1 C (97.0 F)
190034.4 C (93.9 F)
190135.0 C (95.0 F)
190234.4 C (93.9 F)
190338.3 C (100.9 F)
190437.8 C (100.0 F)
190534.4 C (93.9 F)
190633.3 C (91.9 F)
190730.0 C (86.0 F)
190831.7 C (89.1 F)
190936.1 C (97.0 F)
191022.2 C (72.0 F)
191131.1 C (88.0 F)
191217.2 C (63.0 F)
191327.8 C (82.0 F)
192128.3 C (82.9 F)
192237.8 C (100.0 F)
192336.1 C (97.0 F)
192433.9 C (93.0 F)
192536.1 C (97.0 F)
192632.2 C (90.0 F)
192733.9 C (93.0 F)
192832.2 C (90.0 F)
192932.2 C (90.0 F)
193032.8 C (91.0 F)
193137.8 C (100.0 F)
193233.9 C (93.0 F)
193335.0 C (95.0 F)
193432.8 C (91.0 F)
193531.1 C (88.0 F)
193634.4 C (93.9 F)
193734.4 C (93.9 F)
193833.3 C (91.9 F)
193932.8 C (91.0 F)
194032.2 C (90.0 F)
194132.2 C (90.0 F)
194233.3 C (91.9 F)
194333.3 C (91.9 F)
194432.2 C (90.0 F)
194533.9 C (93.0 F)
194631.7 C (89.1 F)
194732.2 C (90.0 F)
194832.2 C (90.0 F)
194934.4 C (93.9 F)
195032.8 C (91.0 F)
195132.2 C (90.0 F)
195233.9 C (93.0 F)
195333.3 C (91.9 F)
195433.3 C (91.9 F)
195530.6 C (87.1 F)
195630.6 C (87.1 F)
195731.7 C (89.1 F)
195831.7 C (89.1 F)
195932.2 C (90.0 F)
196033.3 C (91.9 F)
196132.8 C (91.0 F)
196231.7 C (89.1 F)
196331.7 C (89.1 F)
196431.7 C (89.1 F)
196529.4 C (84.9 F)
196632.2 C (90.0 F)
196731.7 C (89.1 F)
196831.7 C (89.1 F)
196931.1 C (88.0 F)
197033.9 C (93.0 F)
197132.2 C (90.0 F)
197233.9 C (93.0 F)
197335.6 C (96.1 F)
197433.3 C (91.9 F)
197530.6 C (87.1 F)
197632.8 C (91.0 F)
197731.7 C (89.1 F)
197832.8 C (91.0 F)
197933.3 C (91.9 F)
198033.3 C (91.9 F)
198132.8 C (91.0 F)
198231.7 C (89.1 F)
198331.1 C (88.0 F)
198432.2 C (90.0 F)
198533.9 C (93.0 F)
198631.7 C (89.1 F)
198731.1 C (88.0 F)
198832.8 C (91.0 F)
198935.0 C (95.0 F)
199033.3 C (91.9 F)
199130.0 C (86.0 F)
199230.0 C (86.0 F)
199331.1 C (88.0 F)
199433.9 C (93.0 F)
200431.7 C (89.1 F)
200529.4 C (84.9 F)
200633.3 C (91.9 F)
200733.3 C (91.9 F)
200832.2 C (90.0 F)
200932.2 C (90.0 F)
201034.4 C (93.9 F)
201132.2 C (90.0 F)
201232.8 C (91.0 F)
201334.4 C (93.9 F)
201431.7 C (89.1 F)
201533.3 C (91.9 F)
201633.9 C (93.0 F)
201733.9 C (93.0 F)
201833.3 C (91.9 F)
201931.7 C (89.1 F)
202035.0 C (95.0 F)
202136.1 C (97.0 F)
202234.4 C (93.9 F)
202336.1 C (97.0 F)
202435.0 C (95.0 F)
202533.3 C (91.9 F)
202635.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Loa by year The coldest night of the year at Loa, 1893 to 2026. The record is -38.3 C (-36.9 F) in 1929, marked on the chart; the median year is -26.7 C (-16.1 F). -40-200201900192019401960198020002020Record: -38.3 C (-36.9 F) in 1929
The coldest night of the year at Loa, 1893 to 2026. The record is -38.3 C (-36.9 F) in 1929, marked on the chart; the median year is -26.7 C (-16.1 F).
Coldest night (TNn) at Loa by year
YearColdest night (TNn)
1893-25.0 C (-13.0 F)
1894-27.2 C (-17.0 F)
1895-28.9 C (-20.0 F)
1896-27.8 C (-18.0 F)
1897-29.4 C (-20.9 F)
1898-35.6 C (-32.1 F)
1899-31.1 C (-24.0 F)
1900-28.9 C (-20.0 F)
1901-30.6 C (-23.1 F)
1902-34.4 C (-29.9 F)
1903-37.2 C (-35.0 F)
1904-25.6 C (-14.1 F)
1905-34.4 C (-29.9 F)
1906-23.3 C (-9.9 F)
1907-24.4 C (-11.9 F)
1908-31.7 C (-25.1 F)
1909-32.2 C (-26.0 F)
1910-32.8 C (-27.0 F)
1911-10.6 C (12.9 F)
1912-13.9 C (7.0 F)
19132.8 C (37.0 F)
1921-21.1 C (-6.0 F)
1922-27.2 C (-17.0 F)
1923-28.9 C (-20.0 F)
1924-33.3 C (-27.9 F)
1925-26.7 C (-16.1 F)
1926-29.4 C (-20.9 F)
1927-27.8 C (-18.0 F)
1928-22.8 C (-9.0 F)
1929-38.3 C (-36.9 F)
1930-31.1 C (-24.0 F)
1931-30.0 C (-22.0 F)
1932-32.8 C (-27.0 F)
1933-22.2 C (-8.0 F)
1934-20.0 C (-4.0 F)
1935-20.6 C (-5.1 F)
1936-23.9 C (-11.0 F)
1937-36.1 C (-33.0 F)
1938-24.4 C (-11.9 F)
1939-28.9 C (-20.0 F)
1940-28.3 C (-18.9 F)
1941-25.6 C (-14.1 F)
1942-27.8 C (-18.0 F)
1943-23.9 C (-11.0 F)
1944-28.9 C (-20.0 F)
1945-28.9 C (-20.0 F)
1946-27.2 C (-17.0 F)
1947-28.9 C (-20.0 F)
1948-34.4 C (-29.9 F)
1949-34.4 C (-29.9 F)
1950-28.9 C (-20.0 F)
1951-33.3 C (-27.9 F)
1952-28.3 C (-18.9 F)
1953-24.4 C (-11.9 F)
1954-28.9 C (-20.0 F)
1955-28.3 C (-18.9 F)
1956-25.0 C (-13.0 F)
1957-28.9 C (-20.0 F)
1958-25.0 C (-13.0 F)
1959-21.1 C (-6.0 F)
1960-30.0 C (-22.0 F)
1961-31.1 C (-24.0 F)
1962-30.0 C (-22.0 F)
1963-35.6 C (-32.1 F)
1964-27.8 C (-18.0 F)
1965-25.6 C (-14.1 F)
1966-25.6 C (-14.1 F)
1967-24.4 C (-11.9 F)
1968-26.1 C (-15.0 F)
1969-23.3 C (-9.9 F)
1970-26.7 C (-16.1 F)
1971-33.9 C (-29.0 F)
1972-30.6 C (-23.1 F)
1973-27.8 C (-18.0 F)
1974-35.6 C (-32.1 F)
1975-23.9 C (-11.0 F)
1976-23.9 C (-11.0 F)
1977-20.0 C (-4.0 F)
1978-27.2 C (-17.0 F)
1979-27.8 C (-18.0 F)
1980-26.1 C (-15.0 F)
1981-18.9 C (-2.0 F)
1982-30.6 C (-23.1 F)
1983-20.6 C (-5.1 F)
1984-26.1 C (-15.0 F)
1985-28.9 C (-20.0 F)
1986-26.7 C (-16.1 F)
1987-25.6 C (-14.1 F)
1988-30.0 C (-22.0 F)
1989-37.2 C (-35.0 F)
1990-31.7 C (-25.1 F)
1991-22.8 C (-9.0 F)
1992-25.0 C (-13.0 F)
1993-26.7 C (-16.1 F)
1994-22.2 C (-8.0 F)
2004-17.8 C (0.0 F)
2005-21.1 C (-6.0 F)
2006-25.6 C (-14.1 F)
2007-22.8 C (-9.0 F)
2008-23.9 C (-11.0 F)
2009-24.4 C (-11.9 F)
2010-23.3 C (-9.9 F)
2011-23.3 C (-9.9 F)
2012-21.7 C (-7.1 F)
2013-27.2 C (-17.0 F)
2014-17.8 C (0.0 F)
2015-23.3 C (-9.9 F)
2016-28.3 C (-18.9 F)
2017-22.2 C (-8.0 F)
2018-22.8 C (-9.0 F)
2019-22.8 C (-9.0 F)
2020-22.8 C (-9.0 F)
2021-20.6 C (-5.1 F)
2022-21.1 C (-6.0 F)
2023-21.7 C (-7.1 F)
2024-17.2 C (1.0 F)
2025-20.6 C (-5.1 F)
2026-22.8 C (-9.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Loa by year The wettest day of the year at Loa, 1893 to 2026. The record is 50.8 mm (2.0 in) in 1906, marked on the chart; the median year is 21.1 mm (0.8 in). 02040601900192019401960198020002020Record: 50.8 mm (2.0 in) in 1906
The wettest day of the year at Loa, 1893 to 2026. The record is 50.8 mm (2.0 in) in 1906, marked on the chart; the median year is 21.1 mm (0.8 in).
Wettest day (Rx1day) at Loa by year
YearWettest day (Rx1day)
189326.7 mm (1.1 in)
189413.7 mm (0.5 in)
189519.6 mm (0.8 in)
189640.4 mm (1.6 in)
189722.1 mm (0.9 in)
189812.7 mm (0.5 in)
189917.3 mm (0.7 in)
190024.1 mm (0.9 in)
190129.7 mm (1.2 in)
190220.3 mm (0.8 in)
190316.5 mm (0.6 in)
190417.8 mm (0.7 in)
190533.0 mm (1.3 in)
190650.8 mm (2.0 in)
190715.2 mm (0.6 in)
190815.2 mm (0.6 in)
190915.2 mm (0.6 in)
19107.6 mm (0.30 in)
191129.2 mm (1.1 in)
1912n/a
191324.6 mm (1.0 in)
192120.6 mm (0.8 in)
192233.0 mm (1.3 in)
192318.0 mm (0.7 in)
192417.8 mm (0.7 in)
192517.8 mm (0.7 in)
192610.2 mm (0.4 in)
192720.3 mm (0.8 in)
192815.2 mm (0.6 in)
192925.4 mm (1.0 in)
193021.6 mm (0.9 in)
193123.9 mm (0.9 in)
193227.4 mm (1.1 in)
193333.0 mm (1.3 in)
193423.4 mm (0.9 in)
193525.7 mm (1.0 in)
193618.0 mm (0.7 in)
193739.4 mm (1.6 in)
193819.6 mm (0.8 in)
193931.8 mm (1.3 in)
194025.4 mm (1.0 in)
194125.4 mm (1.0 in)
194211.4 mm (0.4 in)
194322.9 mm (0.9 in)
194421.6 mm (0.9 in)
194522.9 mm (0.9 in)
194620.3 mm (0.8 in)
194722.6 mm (0.9 in)
194821.8 mm (0.9 in)
194920.8 mm (0.8 in)
19509.9 mm (0.39 in)
195130.5 mm (1.2 in)
195223.9 mm (0.9 in)
195312.7 mm (0.5 in)
195419.3 mm (0.8 in)
19557.6 mm (0.30 in)
195620.6 mm (0.8 in)
195717.0 mm (0.7 in)
195823.6 mm (0.9 in)
195916.5 mm (0.6 in)
196021.8 mm (0.9 in)
196128.7 mm (1.1 in)
196214.2 mm (0.6 in)
196317.5 mm (0.7 in)
196412.7 mm (0.5 in)
196521.3 mm (0.8 in)
196615.2 mm (0.6 in)
196722.9 mm (0.9 in)
196819.3 mm (0.8 in)
196920.8 mm (0.8 in)
197018.5 mm (0.7 in)
197116.0 mm (0.6 in)
197222.4 mm (0.9 in)
197311.7 mm (0.5 in)
197410.2 mm (0.4 in)
197513.0 mm (0.5 in)
197615.0 mm (0.6 in)
197711.9 mm (0.5 in)
197820.6 mm (0.8 in)
197911.4 mm (0.4 in)
198025.9 mm (1.0 in)
198114.0 mm (0.6 in)
198223.4 mm (0.9 in)
198331.5 mm (1.2 in)
198429.2 mm (1.1 in)
198524.9 mm (1.0 in)
198623.4 mm (0.9 in)
198726.7 mm (1.1 in)
198839.4 mm (1.6 in)
198930.2 mm (1.2 in)
199038.1 mm (1.5 in)
199123.1 mm (0.9 in)
199220.3 mm (0.8 in)
199315.7 mm (0.6 in)
19948.9 mm (0.35 in)
200422.6 mm (0.9 in)
200532.0 mm (1.3 in)
200639.4 mm (1.6 in)
200725.4 mm (1.0 in)
20086.1 mm (0.24 in)
20097.4 mm (0.29 in)
201022.9 mm (0.9 in)
201118.5 mm (0.7 in)
201232.0 mm (1.3 in)
201325.9 mm (1.0 in)
201427.7 mm (1.1 in)
201522.9 mm (0.9 in)
201620.3 mm (0.8 in)
201718.3 mm (0.7 in)
201821.1 mm (0.8 in)
201930.5 mm (1.2 in)
202011.7 mm (0.5 in)
202124.4 mm (1.0 in)
202212.4 mm (0.5 in)
202322.9 mm (0.9 in)
202437.8 mm (1.5 in)
202514.0 mm (0.6 in)
202616.8 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Loa by year The wettest five days of the year at Loa, 1893 to 2026. The record is 101.6 mm (4.0 in) in 1906, marked on the chart; the median year is 30.0 mm (1.2 in). 02550751001251900192019401960198020002020Record: 101.6 mm (4.0 in) in 1906
The wettest five days of the year at Loa, 1893 to 2026. The record is 101.6 mm (4.0 in) in 1906, marked on the chart; the median year is 30.0 mm (1.2 in).
Wettest five days (Rx5day) at Loa by year
YearWettest five days (Rx5day)
189330.0 mm (1.2 in)
189415.8 mm (0.6 in)
189517.8 mm (0.7 in)
189645.9 mm (1.8 in)
189729.7 mm (1.2 in)
189823.4 mm (0.9 in)
189933.1 mm (1.3 in)
190024.1 mm (0.9 in)
190164.5 mm (2.5 in)
190230.5 mm (1.2 in)
190324.1 mm (0.9 in)
190430.5 mm (1.2 in)
190540.6 mm (1.6 in)
1906101.6 mm (4.0 in)
190720.4 mm (0.8 in)
190820.3 mm (0.8 in)
190925.4 mm (1.0 in)
191012.7 mm (0.5 in)
191140.5 mm (1.6 in)
1912n/a
1913n/a
192115.7 mm (0.6 in)
192227.2 mm (1.1 in)
192325.6 mm (1.0 in)
19242.8 mm (0.11 in)
192531.7 mm (1.2 in)
192610.2 mm (0.4 in)
192724.8 mm (1.0 in)
1928n/a
19298.9 mm (0.35 in)
193010.2 mm (0.4 in)
193131.5 mm (1.2 in)
193228.9 mm (1.1 in)
193333.0 mm (1.3 in)
193429.0 mm (1.1 in)
193531.5 mm (1.2 in)
193627.7 mm (1.1 in)
193753.1 mm (2.1 in)
193824.6 mm (1.0 in)
193950.8 mm (2.0 in)
194034.1 mm (1.3 in)
194146.5 mm (1.8 in)
194217.5 mm (0.7 in)
194330.5 mm (1.2 in)
194430.7 mm (1.2 in)
194566.1 mm (2.6 in)
194633.0 mm (1.3 in)
194728.7 mm (1.1 in)
194823.6 mm (0.9 in)
194934.3 mm (1.4 in)
195020.0 mm (0.8 in)
195137.3 mm (1.5 in)
195233.1 mm (1.3 in)
195327.0 mm (1.1 in)
195419.3 mm (0.8 in)
195513.8 mm (0.5 in)
195629.0 mm (1.1 in)
195738.1 mm (1.5 in)
195827.4 mm (1.1 in)
195926.7 mm (1.1 in)
196027.7 mm (1.1 in)
196135.4 mm (1.4 in)
196214.2 mm (0.6 in)
196328.9 mm (1.1 in)
196427.4 mm (1.1 in)
196527.2 mm (1.1 in)
196630.4 mm (1.2 in)
196760.5 mm (2.4 in)
196850.8 mm (2.0 in)
196940.1 mm (1.6 in)
197035.3 mm (1.4 in)
197136.0 mm (1.4 in)
197227.1 mm (1.1 in)
197319.3 mm (0.8 in)
197418.0 mm (0.7 in)
197523.7 mm (0.9 in)
197626.2 mm (1.0 in)
197724.6 mm (1.0 in)
197828.0 mm (1.1 in)
197918.2 mm (0.7 in)
198067.6 mm (2.7 in)
198124.8 mm (1.0 in)
198244.5 mm (1.8 in)
198340.4 mm (1.6 in)
198451.5 mm (2.0 in)
198538.9 mm (1.5 in)
198646.0 mm (1.8 in)
198727.8 mm (1.1 in)
198841.4 mm (1.6 in)
198946.0 mm (1.8 in)
199063.5 mm (2.5 in)
199133.0 mm (1.3 in)
199232.2 mm (1.3 in)
199326.7 mm (1.1 in)
199413.0 mm (0.5 in)
200437.9 mm (1.5 in)
200533.8 mm (1.3 in)
200649.0 mm (1.9 in)
200739.0 mm (1.5 in)
200819.7 mm (0.8 in)
200911.5 mm (0.5 in)
201051.6 mm (2.0 in)
201133.8 mm (1.3 in)
201261.4 mm (2.4 in)
201337.1 mm (1.5 in)
201427.7 mm (1.1 in)
201537.2 mm (1.5 in)
201642.2 mm (1.7 in)
201722.6 mm (0.9 in)
201838.2 mm (1.5 in)
201946.2 mm (1.8 in)
202015.2 mm (0.6 in)
202172.4 mm (2.9 in)
202226.9 mm (1.1 in)
202324.4 mm (1.0 in)
202476.2 mm (3.0 in)
202523.8 mm (0.9 in)
202634.2 mm (1.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Loa by year The longest dry spell of the year at Loa, 1893 to 2026. The record is 132 days in 1944, marked on the chart; the median year is 42 days. 0501001501900192019401960198020002020Record: 132 days in 1944
The longest dry spell of the year at Loa, 1893 to 2026. The record is 132 days in 1944, marked on the chart; the median year is 42 days.
Longest dry spell (CDD) at Loa by year
YearLongest dry spell (CDD)
189337 days
189417 days
189514 days
189638 days
189720 days
189837 days
189964 days
190044 days
190157 days
190289 days
190347 days
190435 days
190533 days
190655 days
190743 days
190857 days
190962 days
191036 days
191114 days
1912n/a
1913n/a
192123 days
192219 days
192316 days
192413 days
19256 days
192629 days
192730 days
19282 days
19291 day
193029 days
193126 days
193261 days
193345 days
193451 days
193560 days
193647 days
193759 days
193839 days
193984 days
194038 days
194128 days
194239 days
194339 days
1944132 days
194537 days
194637 days
194742 days
194842 days
194950 days
195060 days
195163 days
195254 days
195346 days
195450 days
195558 days
195638 days
195734 days
195869 days
195936 days
196031 days
196135 days
196232 days
196345 days
196443 days
196532 days
196644 days
196761 days
196840 days
196934 days
197036 days
197159 days
197286 days
197337 days
1974103 days
197540 days
197666 days
197779 days
197836 days
197951 days
198044 days
198130 days
198237 days
198328 days
198444 days
198543 days
198627 days
198728 days
198832 days
198956 days
199047 days
199142 days
199247 days
199335 days
199439 days
200436 days
200528 days
200633 days
200758 days
200851 days
200940 days
201045 days
201129 days
201266 days
201346 days
201442 days
201543 days
201661 days
201757 days
201847 days
201953 days
202047 days
202152 days
202263 days
202335 days
202437 days
202539 days
202647 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

84 years with a frost

Across 84 years with a frost, the median last spring frost at Loa falls on 13 June and the median first autumn frost on 11 September, which leaves a median of 89 days between them.

In 1978 to 2025 the median growing season was 104 days. That is 22 days more than in 1893 to 1948.

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

Frost dates and growing season at Loa
MeasureMedian, all yearsEarliest period (1893 to 1948)Recent period (1978 to 2025)Recent against earliestFitted trend
Last spring frost13 June14 June3 June11 days earlier-1.2 days per decade
First autumn frost11 September8 September17 September9 days later+2.0 days per decade
Growing days89 days82 days104 days22 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

72 years, 1897 to 2022

A day with at least 20.8 mm (0.8 in) of rain is expected about once in 2 years. A day with at least 38.4 mm (1.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Loa: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years20.8 mm (0.8 in)
5 years27.3 mm (1.1 in)
10 years30.7 mm (1.2 in)
25 years34.3 mm (1.4 in)
50 years36.5 mm (1.4 in)
100 years38.4 mm (1.5 in)Longer than the 72 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 72 years of values from 1897 to 2022.

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: 39.4 mm (1.6 in) in 1988; 39.4 mm (1.6 in) in 2006; 38.1 mm (1.5 in) in 1990.

Station Changes

No change in the annual mean temperature of this station was found against its neighbours.

Climate Twins

2011 to 2025 against 1961 to 1990

Over 2011 to 2025, Loa had a mean temperature of 7.3 C (45.1 F) and 208.5 mm (8.2 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Manila (United States, 331 km away), Ely AP (United States, 295 km away) and Browns Park Refuge (United States, 354 km away).

Climate twins of Loa: stations whose 1961 to 1990 climate is closest to its 2011 to 2025 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
ManilaUnited States331 km (206 mi)7.4 C (45.2 F)246.9 mm (9.7 in)0.57
Ely APUnited States295 km (183 mi)7.0 C (44.6 F)257.9 mm (10.2 in)0.67
Browns Park RefugeUnited States354 km (220 mi)7.5 C (45.4 F)212.2 mm (8.4 in)0.68

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

  • Data for Loa standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Loa 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 (2026-10-14).