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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

W Thompson Lake Threshold Days by Year (USC00069388)

17 fixed thresholds counted per year at W Thompson Lake (USC00069388): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for W Thompson Lake Thresholds

  • W Thompson Lake: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1983 with 58.
  • W Thompson Lake: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 2011 with 21.
  • W Thompson Lake: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 2008 with 7.
  • W Thompson Lake: days with 10 cm (3.9 in) or more of snowfall in 49 years, most in 1976 with 8.
  • 17 fixed thresholds have at least one qualifying day at W Thompson Lake.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at W Thompson Lake Days per year at W Thompson Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1983. 02040601966: 181967: 101968: 271969: 291970: 271971: 261972: 161973: 341974: 271975: 271976: 241977: 231978: 181979: 251980: 341981: 261982: 231983: 521984: 291985: 211986: 191987: 241988: 321989: 141990: 132005: 342007: 332008: 152011: 172012: 242013: 222014: 102015: 222016: 332017: 212018: 312019: 222020: 332021: 202022: 252023: 122024: 172025: 222026: 23196619711976198119862005201320182023
Days per year at W Thompson Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1983.
Days at or above 30 C (86 F) per year at W Thompson Lake
YearDaysDecade average
19661821
19671021
19682721
19692921
19702724.7
19712624.7
19721624.7
19733424.7
19742724.7
19752724.7
19762424.7
19772324.7
19781824.7
19792524.7
19803427.4
19812627.4
19822327.4
19835227.4
19842927.4
19852127.4
19861927.4
19872427.4
19883227.4
19891427.4
19901313
20053427.3
20073327.3
20081527.3
20111722.4
20122422.4
20132222.4
20141022.4
20152222.4
20163322.4
20172122.4
20183122.4
20192222.4
20203321.7
20212021.7
20222521.7
20231221.7
20241721.7
20252221.7
20262321.7
First to last qualifying date each year at W Thompson Lake For each year, a bar from the first to the last day at W Thompson Lake meeting 30 C (86 F). 1966: 24 June 1966 to 3 September 19661967: 3 June 1967 to 19 August 19671968: 7 June 1968 to 23 September 19681969: 30 May 1969 to 8 September 19691970: 11 May 1970 to 26 September 19701971: 8 June 1971 to 17 September 19711972: 3 July 1972 to 27 August 19721973: 23 April 1973 to 5 September 19731974: 30 April 1974 to 25 August 19741975: 21 May 1975 to 15 August 19751976: 18 April 1976 to 27 August 19761977: 14 April 1977 to 3 September 19771978: 21 May 1978 to 30 August 19781979: 10 May 1979 to 6 August 19791980: 23 May 1980 to 23 September 19801981: 26 May 1981 to 15 September 19811982: 28 May 1982 to 12 September 19821983: 13 June 1983 to 21 September 19831984: 6 June 1984 to 25 September 19841985: 2 May 1985 to 5 September 19851986: 19 May 1986 to 27 July 19861987: 30 May 1987 to 20 August 19871988: 13 June 1988 to 16 August 19881989: 23 June 1989 to 12 September 19891990: 28 April 1990 to 28 August 19902005: 21 April 2005 to 15 September 20052007: 24 April 2007 to 27 September 20072008: 8 June 2008 to 22 July 20082011: 28 May 2011 to 9 August 20112012: 17 April 2012 to 1 September 20122013: 22 May 2013 to 12 September 20132014: 13 May 2014 to 7 September 20142015: 11 May 2015 to 18 September 20152016: 26 May 2016 to 15 September 20162017: 12 April 2017 to 28 September 20172018: 3 May 2018 to 7 September 20182019: 29 June 2019 to 20 August 20192020: 7 June 2020 to 26 August 20202021: 23 May 2021 to 28 August 20212022: 21 May 2022 to 26 August 20222023: 2 June 2023 to 8 September 20232024: 23 May 2024 to 4 August 20242025: 6 June 2025 to 19 August 20252026: 17 April 2026 to 11 August 202619661972197819841990201320192025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at W Thompson Lake meeting 30 C (86 F).
First to last qualifying date each year at W Thompson Lake
YearFirst dateLast date
19661966-06-241966-09-03
19671967-06-031967-08-19
19681968-06-071968-09-23
19691969-05-301969-09-08
19701970-05-111970-09-26
19711971-06-081971-09-17
19721972-07-031972-08-27
19731973-04-231973-09-05
19741974-04-301974-08-25
19751975-05-211975-08-15
19761976-04-181976-08-27
19771977-04-141977-09-03
19781978-05-211978-08-30
19791979-05-101979-08-06
19801980-05-231980-09-23
19811981-05-261981-09-15
19821982-05-281982-09-12
19831983-06-131983-09-21
19841984-06-061984-09-25
19851985-05-021985-09-05
19861986-05-191986-07-27
19871987-05-301987-08-20
19881988-06-131988-08-16
19891989-06-231989-09-12
19901990-04-281990-08-28
20052005-04-212005-09-15
20072007-04-242007-09-27
20082008-06-082008-07-22
20112011-05-282011-08-09
20122012-04-172012-09-01
20132013-05-222013-09-12
20142014-05-132014-09-07
20152015-05-112015-09-18
20162016-05-262016-09-15
20172017-04-122017-09-28
20182018-05-032018-09-07
20192019-06-292019-08-20
20202020-06-072020-08-26
20212021-05-232021-08-28
20222022-05-212022-08-26
20232023-06-022023-09-08
20242024-05-232024-08-04
20252025-06-062025-08-19
20262026-04-172026-08-11

Every Fixed Threshold

Fixed thresholds at W Thompson Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4452198323
35 C (95 F): Days23319682
90 F (32.2 C): Days432919837
100 F (37.8 C): Days2119751
0 C (32 F): Ice days (max4450198928
0 C (32 F): Frost days (min44182196791
-10 C (14 F): Days with min4466196834
-20 C (-4 F): Days with min331820155
-30 C (-22 F): Days with min1119841
20 C (68 F): Tropical nights (min421920137
10 mm (0.39 in): Days with 10 mm or more rain5558198336
25 mm (0.98 in): Days with 25 mm or more rain5521201112
50 mm (1.97 in): Days with 50 mm or more rain53720082
100 mm (3.94 in): Days with 100 mm or more rain10119801
10 cm (3.9 in): Days with 10 cm or more snowfall49819762
25 cm (9.8 in): Days with 25 cm or more snowfall19219831
50 cm (19.7 in): Days with 50 cm or more snowfall3119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for W Thompson Lake 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).