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Washington Is Weather Records (USC00478905)

Record envelope, standing records and threshold days for Washington Is (USC00478905), Wisconsin, United States, with 82 years of record.

Key Facts for Washington Is

  • Washington Is (USC00478905) is a weather station in Wisconsin, United States at 45.36 latitude and -86.89 longitude, 209 m (686 ft) above sea level.
  • The station reports from 1944 to 2025, 82 years of record.
  • 1,464 records set at Washington Is still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Washington Is set a daily record high minimum temperature of 2.8 C (37.0 F) on 25 February 2025.

About the Station

  • Location: Wisconsin, United States, 45.36 latitude, -86.89 longitude.
  • Elevation: 209 m (686 ft).
  • Period of record: 1944 to 2025, 82 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

1 days at or beyond a record
Daily record high and record low at Washington Is, with 2026 drawn through them The band shows the record high and record low for each calendar day at Washington Is. The lines show the 2026 daily maximum and minimum. 1 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 Washington Is. The lines show the 2026 daily maximum and minimum. 1 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Washington Is, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan9.4 C (48.9 F)-32.8 C (-27.0 F)6.1 C (43.0 F)-23.9 C (-11.0 F)
Feb13.9 C (57.0 F)-32.2 C (-26.0 F)10.0 C (50.0 F)-21.1 C (-6.0 F)
Mar21.7 C (71.1 F)-32.2 C (-26.0 F)n/an/a
Apr25.0 C (77.0 F)-15.0 C (5.0 F)n/an/a
May30.6 C (87.1 F)-6.7 C (19.9 F)n/an/a
Jun33.3 C (91.9 F)-4.4 C (24.1 F)n/an/a
Jul34.4 C (93.9 F)1.7 C (35.1 F)n/an/a
Aug36.1 C (97.0 F)0.0 C (32.0 F)n/an/a
Sep34.4 C (93.9 F)-3.3 C (26.1 F)n/an/a
Oct28.9 C (84.0 F)-7.8 C (18.0 F)n/an/a
Nov21.7 C (71.1 F)-17.2 C (1.0 F)n/an/a
Dec14.4 C (57.9 F)-29.4 C (-20.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Washington Is by the year they were set 1,464 records at Washington Is still stand. 1998 holds the most, with 40. 0102030401944: 61945: 271946: 221947: 261948: 191949: 281950: 311951: 281952: 231953: 221954: 111955: 261956: 261957: 111958: 151959: 151960: 51961: 91962: 81963: 321964: 221965: 131966: 151967: 171968: 161969: 221970: 191971: 131972: 271973: 111974: 111975: 121976: 321977: 111978: 91979: 261980: 111981: 161982: 271983: 301984: 151985: 121986: 221987: 201988: 201989: 251990: 121991: 211992: 171993: 91994: 251995: 231996: 171997: 91998: 401999: 262000: 152001: 192002: 142003: 182004: 82005: 202006: 122007: 282008: 92009: 52010: 232011: 32012: 222013: 172014: 322015: 282016: 162017: 242018: 142019: 102020: 132021: 92022: 102023: 132024: 172025: 21944195319621971198019891998200720162025
1,464 records at Washington Is still stand. 1998 holds the most, with 40.
Standing records at Washington Is by the year they were set
Year setStanding records
19446
194527
194622
194726
194819
194928
195031
195128
195223
195322
195411
195526
195626
195711
195815
195915
19605
19619
19628
196332
196422
196513
196615
196717
196816
196922
197019
197113
197227
197311
197411
197512
197632
197711
19789
197926
198011
198116
198227
198330
198415
198512
198622
198720
198820
198925
199012
199121
199217
19939
199425
199523
199617
19979
199840
199926
200015
200119
200214
200318
20048
200520
200612
200728
20089
20095
201023
20113
201222
201317
201432
201528
201616
201724
201814
201910
202013
20219
202210
202313
202417
20252

All-Time Record Progression

5 new records
When Washington Is set new all-time records 5 all-time records were set at Washington Is between 14 February 1979 and 15 August 2009. Each dot is a new record. Record snow depthRecord low minimum temperatureRecord low maximum temperatureRecord daily precipitation14 February 1979: Record snow depth 96.5 cm (38.0 in)21 February 1979: Record snow depth 101.6 cm (40.0 in)17 January 1982: Record low minimum temperature -32.8 C (-27.0 F)19 January 1994: Record low maximum temperature -22.8 C (-9.0 F)15 August 2009: Record daily precipitation 141.5 mm (5.6 in)1980198519901995200020052010
5 all-time records were set at Washington Is between 14 February 1979 and 15 August 2009. Each dot is a new record.
When Washington Is set new all-time records
DateKindDetail
1979-02-14Record snow depthRecord snow depth 96.5 cm (38.0 in)
1979-02-21Record snow depthRecord snow depth 101.6 cm (40.0 in)
1982-01-17Record low minimum temperatureRecord low minimum temperature -32.8 C (-27.0 F)
1994-01-19Record low maximum temperatureRecord low maximum temperature -22.8 C (-9.0 F)
2009-08-15Record daily precipitationRecord daily precipitation 141.5 mm (5.6 in)

Wettest Day of Each Month

Aug: 141.5 mm (5.6 in)
Record daily precipitation for each month at Washington Is The wettest day on record for each calendar month at Washington Is. The most was 141.5 mm (5.6 in) on 15 August 2009. 050100150 Jan: 50.8 mm (2.0 in), 18 January 1996 Jan Feb: 36.8 mm (1.4 in), 1 February 2002 Feb Mar: 57.2 mm (2.3 in), 31 March 1983 Mar Apr: 57.2 mm (2.3 in), 5 April 1947 Apr May: 81.5 mm (3.2 in), 16 May 1965 May Jun: 114.3 mm (4.5 in), 10 June 1945 Jun Jul: 74.7 mm (2.9 in), 30 July 1950 Jul Aug: 141.5 mm (5.6 in), 15 August 2009 Aug Sep: 84.6 mm (3.3 in), 8 September 1959 Sep Oct: 58.4 mm (2.3 in), 3 October 2018 Oct Nov: 53.6 mm (2.1 in), 1 November 1984 Nov Dec: 43.2 mm (1.7 in), 14 December 2015 Dec
The wettest day on record for each calendar month at Washington Is. The most was 141.5 mm (5.6 in) on 15 August 2009.
Record daily precipitation for each month at Washington Is
MonthRecord daily precipitation (mm)Date
Jan50.8 mm (2.0 in)18 January 1996
Feb36.8 mm (1.4 in)1 February 2002
Mar57.2 mm (2.3 in)31 March 1983
Apr57.2 mm (2.3 in)5 April 1947
May81.5 mm (3.2 in)16 May 1965
Jun114.3 mm (4.5 in)10 June 1945
Jul74.7 mm (2.9 in)30 July 1950
Aug141.5 mm (5.6 in)15 August 2009
Sep84.6 mm (3.3 in)8 September 1959
Oct58.4 mm (2.3 in)3 October 2018
Nov53.6 mm (2.1 in)1 November 1984
Dec43.2 mm (1.7 in)14 December 2015

Period of Record Coverage

1944 to 2025
Days with data per year at Washington Is 82 years of record at Washington Is, 1944 to 2025. 5 years have data for under 90 percent of days and are left out of rankings: 1944, 1946, 1947, 2009, 2025. 1944: 78 of 366 days1945: 336 of 365 days1946: 281 of 365 days1947: 289 of 365 days1948: 359 of 366 days1949: 364 of 365 days1950: 364 of 365 days1951: 364 of 365 days1952: 366 of 366 days1953: 361 of 365 days1954: 364 of 365 days1955: 364 of 365 days1956: 366 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 364 of 365 days1960: 366 of 366 days1961: 335 of 365 days1962: 365 of 365 days1963: 335 of 365 days1964: 336 of 366 days1965: 363 of 365 days1966: 365 of 365 days1967: 344 of 365 days1968: 365 of 366 days1969: 363 of 365 days1970: 341 of 365 days1971: 363 of 365 days1972: 343 of 366 days1973: 365 of 365 days1974: 362 of 365 days1975: 363 of 365 days1976: 364 of 366 days1977: 360 of 365 days1978: 364 of 365 days1979: 362 of 365 days1980: 361 of 366 days1981: 358 of 365 days1982: 357 of 365 days1983: 358 of 365 days1984: 348 of 366 days1985: 354 of 365 days1986: 351 of 365 days1987: 355 of 365 days1988: 357 of 366 days1989: 360 of 365 days1990: 364 of 365 days1991: 364 of 365 days1992: 365 of 366 days1993: 364 of 365 days1994: 363 of 365 days1995: 363 of 365 days1996: 360 of 366 days1997: 363 of 365 days1998: 360 of 365 days1999: 364 of 365 days2000: 363 of 366 days2001: 358 of 365 days2002: 353 of 365 days2003: 346 of 365 days2004: 346 of 366 days2005: 360 of 365 days2006: 359 of 365 days2007: 357 of 365 days2008: 363 of 366 days2009: 304 of 365 days2010: 364 of 365 days2011: 363 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 59 of 365 days195019651980199520102025
82 years of record at Washington Is, 1944 to 2025. 5 years have data for under 90 percent of days and are left out of rankings: 1944, 1946, 1947, 2009, 2025.
Days with data per year at Washington Is
YearDays with dataShare of yearComplete
19447821%No
194533692%Yes
194628177%No
194728979%No
194835998%Yes
1949364100%Yes
1950364100%Yes
1951364100%Yes
1952366100%Yes
195336199%Yes
1954364100%Yes
1955364100%Yes
1956366100%Yes
1957365100%Yes
1958365100%Yes
1959364100%Yes
1960366100%Yes
196133592%Yes
1962365100%Yes
196333592%Yes
196433692%Yes
196536399%Yes
1966365100%Yes
196734494%Yes
1968365100%Yes
196936399%Yes
197034193%Yes
197136399%Yes
197234394%Yes
1973365100%Yes
197436299%Yes
197536399%Yes
197636499%Yes
197736099%Yes
1978364100%Yes
197936299%Yes
198036199%Yes
198135898%Yes
198235798%Yes
198335898%Yes
198434895%Yes
198535497%Yes
198635196%Yes
198735597%Yes
198835798%Yes
198936099%Yes
1990364100%Yes
1991364100%Yes
1992365100%Yes
1993364100%Yes
199436399%Yes
199536399%Yes
199636098%Yes
199736399%Yes
199836099%Yes
1999364100%Yes
200036399%Yes
200135898%Yes
200235397%Yes
200334695%Yes
200434695%Yes
200536099%Yes
200635998%Yes
200735798%Yes
200836399%Yes
200930483%No
2010364100%Yes
201136399%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
20255916%No

Latest Records

20
Latest records at Washington Is
DateStationRecordValueBeat old record byOld record stoodSignificance
25 February 2025Washington Is, USdaily high min2.8 C (37.0 F)1.1 C (2.0 F)25 years16 of 100 (Routine)
25 February 2025Washington Is, USdaily high max10.0 C (50.0 F)3.3 C (5.9 F)5 years15 of 100 (Routine)
9 February 2025Washington Is, USdaily snowfall12.2 cm (4.8 in)6.1 cm (2.4 in)17 years25 of 100 (Routine)
29 December 2024Washington Is, USdaily high max6.1 C (43.0 F)1.1 C (2.0 F)45 years23 of 100 (Routine)
29 December 2024Washington Is, USdaily high min (Tie)0.0 C (32.0 F)tie21 years3 of 100 (Routine)
28 December 2024Washington Is, USdaily high min3.3 C (37.9 F)0.5 C (0.9 F)21 years14 of 100 (Routine)
13 December 2024Washington Is, USdaily low max (Tie)-11.1 C (12.0 F)tie48 years5 of 100 (Routine)
20 November 2024Washington Is, USdaily high min (Tie)7.8 C (46.0 F)tie71 years7 of 100 (Routine)
11 November 2024Washington Is, USdaily high min8.9 C (48.0 F)1.1 C (2.0 F)60 years28 of 100 (Routine)
31 October 2024Washington Is, USdaily rain38.1 mm (1.5 in)10.2 mm (0.4 in)64 years38 of 100 (Notable)
31 October 2024Washington Is, USdaily high max21.1 C (70.0 F)2.2 C (4.0 F)72 years34 of 100 (Routine)
30 October 2024Washington Is, USdaily high min12.2 C (54.0 F)0.5 C (0.9 F)20 years15 of 100 (Routine)
22 October 2024Washington Is, USdaily high min13.9 C (57.0 F)2.2 C (4.0 F)61 years31 of 100 (Routine)
21 October 2024Washington Is, USdaily high min13.3 C (55.9 F)1.1 C (2.0 F)66 years29 of 100 (Routine)
30 September 2024Washington Is, USdaily high max25.0 C (77.0 F)2.2 C (4.0 F)71 years34 of 100 (Routine)
29 September 2024Washington Is, USdaily high max24.4 C (75.9 F)0.5 C (0.9 F)26 years16 of 100 (Routine)
28 September 2024Washington Is, USdaily high max (Tie)23.9 C (75.0 F)tie37 years4 of 100 (Routine)
27 September 2024Washington Is, USdaily high max (Tie)23.9 C (75.0 F)tie26 years3 of 100 (Routine)
20 September 2024Washington Is, USdaily high max (Tie)25.0 C (77.0 F)tie26 years3 of 100 (Routine)
7 September 2024Washington Is, USdaily low max15.0 C (59.0 F)0.6 C (1.1 F)75 years31 of 100 (Routine)

Climate Trend

68 complete years, 1948 to 2024
Annual mean temperature at Washington Is as warming stripes, 1948 to 2024 One stripe for each of 68 complete years at Washington Is, 1948 to 2024. Blue stripes are years cooler than the station's own mean of 6.4 C (43.4 F); red stripes are warmer. The coolest year was 2014, at 3.7 C (38.7 F), and the warmest was 1998, at 8.9 C (47.9 F). The strongest colour marks a difference of 2.7 C (4.9 F). 1948: 6.3 C, 0.0 C from the station mean1949: 6.8 C, +0.4 C from the station mean1950: 4.6 C, -1.8 C from the station mean1951: 5.8 C, -0.6 C from the station mean1952: 7.1 C, +0.7 C from the station mean1953: 7.7 C, +1.3 C from the station mean1954: 6.8 C, +0.4 C from the station mean1955: 7.2 C, +0.8 C from the station mean1956: 6.0 C, -0.3 C from the station mean1957: 6.3 C, -0.1 C from the station mean1958: 6.2 C, -0.2 C from the station mean1959: 5.9 C, -0.5 C from the station mean1960: 6.3 C, 0.0 C from the station mean1962: 5.7 C, -0.7 C from the station mean1965: 5.8 C, -0.5 C from the station mean1966: 6.6 C, +0.2 C from the station mean1968: 6.2 C, -0.1 C from the station mean1969: 5.9 C, -0.4 C from the station mean1971: 5.5 C, -0.9 C from the station mean1973: 7.1 C, +0.7 C from the station mean1974: 5.8 C, -0.6 C from the station mean1975: 6.4 C, 0.0 C from the station mean1976: 5.1 C, -1.2 C from the station mean1977: 5.4 C, -0.9 C from the station mean1978: 5.1 C, -1.3 C from the station mean1979: 4.7 C, -1.7 C from the station mean1980: 5.6 C, -0.7 C from the station mean1981: 5.9 C, -0.5 C from the station mean1982: 5.1 C, -1.3 C from the station mean1983: 6.7 C, +0.4 C from the station mean1984: 6.8 C, +0.5 C from the station mean1986: 6.3 C, -0.1 C from the station mean1987: 7.8 C, +1.5 C from the station mean1988: 6.2 C, -0.2 C from the station mean1989: 5.0 C, -1.4 C from the station mean1990: 6.9 C, +0.6 C from the station mean1991: 7.0 C, +0.6 C from the station mean1992: 6.1 C, -0.3 C from the station mean1993: 6.1 C, -0.2 C from the station mean1994: 6.2 C, -0.2 C from the station mean1995: 6.6 C, +0.3 C from the station mean1996: 5.3 C, -1.1 C from the station mean1997: 6.1 C, -0.2 C from the station mean1998: 8.9 C, +2.5 C from the station mean1999: 7.9 C, +1.6 C from the station mean2000: 6.7 C, +0.3 C from the station mean2001: 7.2 C, +0.8 C from the station mean2002: 6.8 C, +0.4 C from the station mean2004: 6.0 C, -0.4 C from the station mean2005: 7.2 C, +0.8 C from the station mean2006: 7.5 C, +1.1 C from the station mean2007: 7.1 C, +0.7 C from the station mean2008: 6.0 C, -0.3 C from the station mean2010: 7.8 C, +1.4 C from the station mean2011: 6.7 C, +0.3 C from the station mean2012: 7.9 C, +1.6 C from the station mean2013: 5.3 C, -1.1 C from the station mean2014: 3.7 C, -2.6 C from the station mean2015: 6.5 C, +0.1 C from the station mean2016: 7.8 C, +1.5 C from the station mean2017: 6.7 C, +0.3 C from the station mean2018: 5.8 C, -0.6 C from the station mean2019: 5.3 C, -1.1 C from the station mean2020: 6.5 C, +0.2 C from the station mean2021: 7.0 C, +0.7 C from the station mean2022: 5.6 C, -0.7 C from the station mean2023: 6.8 C, +0.4 C from the station mean2024: 8.0 C, +1.7 C from the station mean19481960197019801990200020102020
One stripe for each of 68 complete years at Washington Is, 1948 to 2024. Blue stripes are years cooler than the station's own mean of 6.4 C (43.4 F); red stripes are warmer. The coolest year was 2014, at 3.7 C (38.7 F), and the warmest was 1998, at 8.9 C (47.9 F). The strongest colour marks a difference of 2.7 C (4.9 F).
Annual mean temperature at Washington Is as warming stripes, 1948 to 2024
YearAnnual mean temperatureDifference from the station mean
19486.3 C-0.02 C
19496.8 C+0.42 C
19504.6 C-1.77 C
19515.8 C-0.58 C
19527.1 C+0.74 C
19537.7 C+1.29 C
19546.8 C+0.41 C
19557.2 C+0.79 C
19566.0 C-0.32 C
19576.3 C-0.07 C
19586.2 C-0.20 C
19595.9 C-0.49 C
19606.3 C-0.03 C
19625.7 C-0.70 C
19655.8 C-0.52 C
19666.6 C+0.22 C
19686.2 C-0.12 C
19695.9 C-0.45 C
19715.5 C-0.89 C
19737.1 C+0.74 C
19745.8 C-0.59 C
19756.4 C+0.04 C
19765.1 C-1.24 C
19775.4 C-0.95 C
19785.1 C-1.31 C
19794.7 C-1.68 C
19805.6 C-0.72 C
19815.9 C-0.51 C
19825.1 C-1.27 C
19836.7 C+0.38 C
19846.8 C+0.46 C
19866.3 C-0.08 C
19877.8 C+1.47 C
19886.2 C-0.17 C
19895.0 C-1.39 C
19906.9 C+0.56 C
19917.0 C+0.64 C
19926.1 C-0.30 C
19936.1 C-0.25 C
19946.2 C-0.18 C
19956.6 C+0.25 C
19965.3 C-1.09 C
19976.1 C-0.25 C
19988.9 C+2.49 C
19997.9 C+1.56 C
20006.7 C+0.32 C
20017.2 C+0.81 C
20026.8 C+0.42 C
20046.0 C-0.36 C
20057.2 C+0.84 C
20067.5 C+1.13 C
20077.1 C+0.71 C
20086.0 C-0.33 C
20107.8 C+1.40 C
20116.7 C+0.30 C
20127.9 C+1.56 C
20135.3 C-1.11 C
20143.7 C-2.64 C
20156.5 C+0.09 C
20167.8 C+1.47 C
20176.7 C+0.29 C
20185.8 C-0.57 C
20195.3 C-1.11 C
20206.5 C+0.18 C
20217.0 C+0.65 C
20225.6 C-0.75 C
20236.8 C+0.41 C
20248.0 C+1.67 C

The fitted trend in annual mean temperature here over 1948 to 2024 is 0.07 C (-0.03 to 0.17) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.13 F (-0.05 to 0.31) per decade. The slope is a straight line fitted to 68 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Washington Is
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.07 C (-0.03 to 0.17) per decade0.13 F (-0.05 to 0.31) per decade1948 to 202468Not clearly different from zero
Mean daily maximum-0.05 C (-0.15 to 0.04) per decade-0.1 F (-0.3 to 0.1) per decade1948 to 202468Not clearly different from zero
Mean daily minimum0.2 C (0.1 to 0.3) per decade0.4 F (0.1 to 0.6) per decade1948 to 202468Rise

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

1944 to 2025
Yearly extremes at Washington Is: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.1 C (97.0 F)195531.1 C (88.0 F)82
Coldest night (TNn)-32.8 C (-27.0 F)1982-23.9 C (-11.0 F)82
Wettest day (Rx1day)141.5 mm (5.6 in)200943.7 mm (1.7 in)82
Wettest five days (Rx5day)145.8 mm (5.7 in)200969.7 mm (2.7 in)82
Longest dry spell (CDD)54 days195220 days82

Hottest day (TXx)

Hottest day (TXx) at Washington Is by year The hottest day of the year at Washington Is, 1944 to 2025. The record is 36.1 C (97.0 F) in 1955, marked on the chart; the median year is 31.1 C (88.0 F). 102030401960198020002020Record: 36.1 C (97.0 F) in 1955
The hottest day of the year at Washington Is, 1944 to 2025. The record is 36.1 C (97.0 F) in 1955, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Washington Is by year
YearHottest day (TXx)
194417.8 C (64.0 F)
194531.7 C (89.1 F)
194632.8 C (91.0 F)
194732.8 C (91.0 F)
194832.8 C (91.0 F)
194933.3 C (91.9 F)
195029.4 C (84.9 F)
195131.7 C (89.1 F)
195230.6 C (87.1 F)
195334.4 C (93.9 F)
195429.4 C (84.9 F)
195536.1 C (97.0 F)
195632.2 C (90.0 F)
195729.4 C (84.9 F)
195830.6 C (87.1 F)
195931.7 C (89.1 F)
196029.4 C (84.9 F)
196129.4 C (84.9 F)
196228.9 C (84.0 F)
196330.6 C (87.1 F)
196432.8 C (91.0 F)
196532.8 C (91.0 F)
196633.9 C (93.0 F)
196730.0 C (86.0 F)
196831.7 C (89.1 F)
196931.1 C (88.0 F)
197033.3 C (91.9 F)
197128.3 C (82.9 F)
197232.2 C (90.0 F)
197331.1 C (88.0 F)
197431.1 C (88.0 F)
197531.1 C (88.0 F)
197632.2 C (90.0 F)
197732.2 C (90.0 F)
197829.4 C (84.9 F)
197930.6 C (87.1 F)
198031.7 C (89.1 F)
198131.1 C (88.0 F)
198230.6 C (87.1 F)
198334.4 C (93.9 F)
198430.0 C (86.0 F)
198530.6 C (87.1 F)
198632.2 C (90.0 F)
198733.3 C (91.9 F)
198833.3 C (91.9 F)
198932.8 C (91.0 F)
199030.6 C (87.1 F)
199130.6 C (87.1 F)
199229.4 C (84.9 F)
199330.6 C (87.1 F)
199428.3 C (82.9 F)
199531.7 C (89.1 F)
199631.7 C (89.1 F)
199729.4 C (84.9 F)
199829.4 C (84.9 F)
199931.7 C (89.1 F)
200027.2 C (81.0 F)
200132.8 C (91.0 F)
200231.1 C (88.0 F)
200330.6 C (87.1 F)
200428.3 C (82.9 F)
200532.8 C (91.0 F)
200633.3 C (91.9 F)
200731.7 C (89.1 F)
200828.9 C (84.0 F)
200927.8 C (82.0 F)
201027.8 C (82.0 F)
201131.7 C (89.1 F)
201233.9 C (93.0 F)
201331.1 C (88.0 F)
201428.9 C (84.0 F)
201531.7 C (89.1 F)
201631.1 C (88.0 F)
201728.3 C (82.9 F)
201830.0 C (86.0 F)
201928.9 C (84.0 F)
202031.1 C (88.0 F)
202131.1 C (88.0 F)
202231.1 C (88.0 F)
202329.4 C (84.9 F)
202428.9 C (84.0 F)
202510.0 C (50.0 F)

Coldest night (TNn)

Coldest night (TNn) at Washington Is by year The coldest night of the year at Washington Is, 1944 to 2025. The record is -32.8 C (-27.0 F) in 1982, marked on the chart; the median year is -23.9 C (-11.0 F). -35-30-25-20-151960198020002020Record: -32.8 C (-27.0 F) in 1982
The coldest night of the year at Washington Is, 1944 to 2025. The record is -32.8 C (-27.0 F) in 1982, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Washington Is by year
YearColdest night (TNn)
1944-17.2 C (1.0 F)
1945-25.0 C (-13.0 F)
1946-22.8 C (-9.0 F)
1947-19.4 C (-2.9 F)
1948-23.9 C (-11.0 F)
1949-24.4 C (-11.9 F)
1950-27.2 C (-17.0 F)
1951-27.8 C (-18.0 F)
1952-22.2 C (-8.0 F)
1953-17.8 C (0.0 F)
1954-26.1 C (-15.0 F)
1955-22.2 C (-8.0 F)
1956-23.9 C (-11.0 F)
1957-24.4 C (-11.9 F)
1958-21.7 C (-7.1 F)
1959-26.7 C (-16.1 F)
1960-18.3 C (-0.9 F)
1961-21.1 C (-6.0 F)
1962-32.2 C (-26.0 F)
1963-30.6 C (-23.1 F)
1964-18.9 C (-2.0 F)
1965-25.0 C (-13.0 F)
1966-26.7 C (-16.1 F)
1967-25.6 C (-14.1 F)
1968-28.3 C (-18.9 F)
1969-25.0 C (-13.0 F)
1970-28.3 C (-18.9 F)
1971-26.7 C (-16.1 F)
1972-28.3 C (-18.9 F)
1973-21.1 C (-6.0 F)
1974-25.6 C (-14.1 F)
1975-25.0 C (-13.0 F)
1976-29.4 C (-20.9 F)
1977-28.3 C (-18.9 F)
1978-22.8 C (-9.0 F)
1979-31.1 C (-24.0 F)
1980-22.2 C (-8.0 F)
1981-26.7 C (-16.1 F)
1982-32.8 C (-27.0 F)
1983-22.2 C (-8.0 F)
1984-28.3 C (-18.9 F)
1985-31.7 C (-25.1 F)
1986-24.4 C (-11.9 F)
1987-22.2 C (-8.0 F)
1988-23.9 C (-11.0 F)
1989-25.0 C (-13.0 F)
1990-20.6 C (-5.1 F)
1991-25.0 C (-13.0 F)
1992-21.7 C (-7.1 F)
1993-20.6 C (-5.1 F)
1994-31.1 C (-24.0 F)
1995-22.2 C (-8.0 F)
1996-32.2 C (-26.0 F)
1997-22.8 C (-9.0 F)
1998-18.9 C (-2.0 F)
1999-23.3 C (-9.9 F)
2000-22.8 C (-9.0 F)
2001-18.3 C (-0.9 F)
2002-18.3 C (-0.9 F)
2003-23.3 C (-9.9 F)
2004-24.4 C (-11.9 F)
2005-21.1 C (-6.0 F)
2006-23.9 C (-11.0 F)
2007-23.9 C (-11.0 F)
2008-23.9 C (-11.0 F)
2009-23.9 C (-11.0 F)
2010-16.7 C (1.9 F)
2011-20.6 C (-5.1 F)
2012-17.8 C (0.0 F)
2013-22.8 C (-9.0 F)
2014-27.2 C (-17.0 F)
2015-25.0 C (-13.0 F)
2016-18.3 C (-0.9 F)
2017-20.0 C (-4.0 F)
2018-21.1 C (-6.0 F)
2019-28.3 C (-18.9 F)
2020-20.0 C (-4.0 F)
2021-24.4 C (-11.9 F)
2022-22.2 C (-8.0 F)
2023-20.0 C (-4.0 F)
2024-20.0 C (-4.0 F)
2025-23.9 C (-11.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Washington Is by year The wettest day of the year at Washington Is, 1944 to 2025. The record is 141.5 mm (5.6 in) in 2009, marked on the chart; the median year is 43.7 mm (1.7 in). 0501001501960198020002020Record: 141.5 mm (5.6 in) in 2009
The wettest day of the year at Washington Is, 1944 to 2025. The record is 141.5 mm (5.6 in) in 2009, marked on the chart; the median year is 43.7 mm (1.7 in).
Wettest day (Rx1day) at Washington Is by year
YearWettest day (Rx1day)
194418.3 mm (0.7 in)
1945114.3 mm (4.5 in)
194639.1 mm (1.5 in)
194760.2 mm (2.4 in)
194849.5 mm (1.9 in)
194937.1 mm (1.5 in)
195074.7 mm (2.9 in)
195164.0 mm (2.5 in)
195236.3 mm (1.4 in)
195341.7 mm (1.6 in)
195450.8 mm (2.0 in)
195530.5 mm (1.2 in)
195677.0 mm (3.0 in)
195742.4 mm (1.7 in)
195837.6 mm (1.5 in)
195984.6 mm (3.3 in)
196047.5 mm (1.9 in)
196140.1 mm (1.6 in)
196229.0 mm (1.1 in)
196338.4 mm (1.5 in)
196439.4 mm (1.6 in)
196581.5 mm (3.2 in)
196647.0 mm (1.9 in)
196741.1 mm (1.6 in)
196852.6 mm (2.1 in)
196965.0 mm (2.6 in)
197035.8 mm (1.4 in)
197125.1 mm (1.0 in)
197240.6 mm (1.6 in)
197350.8 mm (2.0 in)
197452.3 mm (2.1 in)
197544.2 mm (1.7 in)
197633.8 mm (1.3 in)
197735.1 mm (1.4 in)
197835.6 mm (1.4 in)
197956.4 mm (2.2 in)
198040.6 mm (1.6 in)
198137.8 mm (1.5 in)
198273.2 mm (2.9 in)
198357.2 mm (2.3 in)
198468.6 mm (2.7 in)
198553.1 mm (2.1 in)
198632.8 mm (1.3 in)
198751.8 mm (2.0 in)
198832.5 mm (1.3 in)
198931.2 mm (1.2 in)
199062.2 mm (2.4 in)
199139.4 mm (1.6 in)
199246.7 mm (1.8 in)
199357.9 mm (2.3 in)
199438.1 mm (1.5 in)
199540.1 mm (1.6 in)
199650.8 mm (2.0 in)
199748.3 mm (1.9 in)
199838.6 mm (1.5 in)
199932.8 mm (1.3 in)
200040.4 mm (1.6 in)
200146.7 mm (1.8 in)
200252.3 mm (2.1 in)
200333.0 mm (1.3 in)
200439.1 mm (1.5 in)
200541.4 mm (1.6 in)
200642.2 mm (1.7 in)
200790.9 mm (3.6 in)
200833.8 mm (1.3 in)
2009141.5 mm (5.6 in)
201052.1 mm (2.1 in)
201151.6 mm (2.0 in)
201233.8 mm (1.3 in)
2013113.8 mm (4.5 in)
201450.8 mm (2.0 in)
201543.2 mm (1.7 in)
201645.7 mm (1.8 in)
201743.2 mm (1.7 in)
201858.4 mm (2.3 in)
201959.7 mm (2.4 in)
202039.6 mm (1.6 in)
202138.1 mm (1.5 in)
202247.5 mm (1.9 in)
202348.8 mm (1.9 in)
202448.0 mm (1.9 in)
20257.4 mm (0.29 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Washington Is by year The wettest five days of the year at Washington Is, 1944 to 2025. The record is 145.8 mm (5.7 in) in 2009, marked on the chart; the median year is 69.7 mm (2.7 in). 0501001501960198020002020Record: 145.8 mm (5.7 in) in 2009
The wettest five days of the year at Washington Is, 1944 to 2025. The record is 145.8 mm (5.7 in) in 2009, marked on the chart; the median year is 69.7 mm (2.7 in).
Wettest five days (Rx5day) at Washington Is by year
YearWettest five days (Rx5day)
194444.2 mm (1.7 in)
194569.9 mm (2.8 in)
194669.9 mm (2.8 in)
194781.8 mm (3.2 in)
194876.2 mm (3.0 in)
194944.5 mm (1.8 in)
195095.0 mm (3.7 in)
1951120.1 mm (4.7 in)
195290.8 mm (3.6 in)
195374.2 mm (2.9 in)
195457.4 mm (2.3 in)
195546.5 mm (1.8 in)
195682.3 mm (3.2 in)
195766.1 mm (2.6 in)
195859.7 mm (2.4 in)
1959107.8 mm (4.2 in)
1960112.6 mm (4.4 in)
196158.0 mm (2.3 in)
196255.7 mm (2.2 in)
196357.6 mm (2.3 in)
196449.8 mm (2.0 in)
1965101.0 mm (4.0 in)
196661.2 mm (2.4 in)
196752.9 mm (2.1 in)
196890.5 mm (3.6 in)
1969121.6 mm (4.8 in)
197055.2 mm (2.2 in)
197136.4 mm (1.4 in)
197258.4 mm (2.3 in)
197358.4 mm (2.3 in)
197484.6 mm (3.3 in)
197574.7 mm (2.9 in)
197653.7 mm (2.1 in)
197757.4 mm (2.3 in)
197870.1 mm (2.8 in)
197971.9 mm (2.8 in)
198068.1 mm (2.7 in)
198162.2 mm (2.4 in)
198280.3 mm (3.2 in)
198399.1 mm (3.9 in)
198477.5 mm (3.1 in)
198575.2 mm (3.0 in)
198659.0 mm (2.3 in)
198793.2 mm (3.7 in)
198854.4 mm (2.1 in)
198963.2 mm (2.5 in)
1990124.9 mm (4.9 in)
199148.0 mm (1.9 in)
199274.9 mm (2.9 in)
1993114.3 mm (4.5 in)
199452.9 mm (2.1 in)
199561.4 mm (2.4 in)
199655.9 mm (2.2 in)
199750.0 mm (2.0 in)
199878.8 mm (3.1 in)
199967.2 mm (2.6 in)
200065.8 mm (2.6 in)
200177.2 mm (3.0 in)
200275.4 mm (3.0 in)
200364.4 mm (2.5 in)
200451.8 mm (2.0 in)
200551.6 mm (2.0 in)
200662.0 mm (2.4 in)
2007114.5 mm (4.5 in)
200862.5 mm (2.5 in)
2009145.8 mm (5.7 in)
201091.4 mm (3.6 in)
201169.4 mm (2.7 in)
201260.2 mm (2.4 in)
2013145.0 mm (5.7 in)
201479.5 mm (3.1 in)
201570.6 mm (2.8 in)
201684.4 mm (3.3 in)
201768.1 mm (2.7 in)
2018107.9 mm (4.2 in)
2019104.9 mm (4.1 in)
202071.6 mm (2.8 in)
202163.7 mm (2.5 in)
202258.7 mm (2.3 in)
202389.7 mm (3.5 in)
202479.0 mm (3.1 in)
202520.9 mm (0.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Washington Is by year The longest dry spell of the year at Washington Is, 1944 to 2025. The record is 54 days in 1952, marked on the chart; the median year is 20 days. 02040601960198020002020Record: 54 days in 1952
The longest dry spell of the year at Washington Is, 1944 to 2025. The record is 54 days in 1952, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Washington Is by year
YearLongest dry spell (CDD)
19449 days
194512 days
194619 days
194717 days
194817 days
194925 days
195013 days
195121 days
195254 days
195335 days
195421 days
195523 days
195616 days
195728 days
195830 days
195917 days
196030 days
196122 days
196213 days
196316 days
196440 days
196518 days
196615 days
196716 days
196821 days
196948 days
197026 days
197130 days
197217 days
197317 days
197425 days
197520 days
197618 days
197718 days
197818 days
197927 days
198039 days
198128 days
198230 days
198323 days
198421 days
198514 days
198624 days
198717 days
198818 days
198925 days
199020 days
199131 days
199216 days
199322 days
199422 days
199516 days
199619 days
199724 days
199824 days
199932 days
200019 days
200124 days
200226 days
200317 days
200411 days
200523 days
200619 days
200736 days
200819 days
200922 days
201024 days
201116 days
201216 days
201316 days
201415 days
201519 days
201617 days
201714 days
201817 days
201915 days
202026 days
202114 days
202212 days
202324 days
202420 days
202520 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

68 years with a frost

Across 68 years with a frost, the median last spring frost at Washington Is falls on 16 May and the median first autumn frost on 13 October, which leaves a median of 148 days between them.

In 1993 to 2024 the median growing season was 159 days. That is 24 days more than in 1948 to 1983.

Fitted over all years, the growing season changes by +5.8 days per decade at this station.

Frost dates and growing season at Washington Is
MeasureMedian, all yearsEarliest period (1948 to 1983)Recent period (1993 to 2024)Recent against earliestFitted trend
Last spring frost16 May22 May13 May9 days earlier-2.3 days per decade
First autumn frost13 October4 October21 October17 days later+3.6 days per decade
Growing days148 days135 days159 days24 days more+5.8 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

76 years, 1948 to 2024

A day with at least 44.2 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 106.8 mm (4.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Washington Is: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years44.2 mm (1.7 in)
5 years56.8 mm (2.2 in)
10 years66.6 mm (2.6 in)
25 years80.9 mm (3.2 in)
50 years93.1 mm (3.7 in)
100 years106.8 mm (4.2 in)Longer than the 76 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, 76 years of values from 1948 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: 113.8 mm (4.5 in) in 2013; 90.9 mm (3.6 in) in 2007; 84.6 mm (3.3 in) in 1959.

Station Changes

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

Climate Twins

2010 to 2024 against 1961 to 1990

Over 2010 to 2024, Washington Is had a mean temperature of 6.5 C (43.7 F) and 818.5 mm (32.2 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Beaver Is (United States, 111 km away), Southampton (Canada, 445 km away) and Thornbury Slama (Canada, 512 km away).

Climate twins of Washington Is: stations whose 1961 to 1990 climate is closest to its 2010 to 2024 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
Beaver IsUnited States111 km (69 mi)6.1 C (43.1 F)740.0 mm (29.1 in)0.69
SouthamptonCanada445 km (277 mi)6.7 C (44.0 F)815.2 mm (32.1 in)0.70
Thornbury SlamaCanada512 km (318 mi)6.5 C (43.7 F)876.1 mm (34.5 in)0.73

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 Washington Is standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Washington Is 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 (2025-12-31).