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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Trout Lake Threshold Days by Year (USC00058454)

12 fixed thresholds counted per year at Trout Lake (USC00058454): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trout Lake Thresholds

  • Trout Lake: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1984 with 39.
  • Trout Lake: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1941 with 7.
  • Trout Lake: days with 10 cm (3.9 in) or more of snowfall in 34 years, most in 1942 with 39.
  • Trout Lake: days with 25 cm (9.8 in) or more of snowfall in 29 years, most in 1938 with 7.
  • 12 fixed thresholds have at least one qualifying day at Trout Lake.
25 years with a qualifying day
Nights at or below 0 C (32 F) per year at Trout Lake Days per year at Trout Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 313 in 1944. 01002003004001917: 2531918: 2251919: 2121920: 2451926: 2501928: 2361929: 2481930: 2531931: 2321932: 2631933: 2471934: 3091935: 2421936: 2471937: 2451938: 2551939: 2551940: 2621941: 2881942: 2901943: 2931944: 3131945: 2751946: 3021947: 279191719201929193219351938194119441947
Days per year at Trout Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 313 in 1944.
Nights at or below 0 C (32 F) per year at Trout Lake
YearDaysDecade average
1917253230
1918225230
1919212230
1920245244.8
1926250244.8
1928236244.8
1929248244.8
1930253254.8
1931232254.8
1932263254.8
1933247254.8
1934309254.8
1935242254.8
1936247254.8
1937245254.8
1938255254.8
1939255254.8
1940262287.8
1941288287.8
1942290287.8
1943293287.8
1944313287.8
1945275287.8
1946302287.8
1947279287.8
First to last qualifying date each year at Trout Lake For each year, a bar from the first to the last day at Trout Lake meeting 0 C (32 F). 1917: 1 January 1917 to 31 December 19171918: 1 January 1918 to 31 December 19181919: 1 January 1919 to 31 December 19191920: 1 January 1920 to 31 December 19201926: 1 January 1926 to 31 December 19261928: 1 January 1928 to 31 December 19281929: 1 January 1929 to 31 December 19291930: 1 January 1930 to 31 December 19301931: 1 January 1931 to 31 December 19311932: 1 January 1932 to 31 December 19321933: 1 January 1933 to 31 December 19331934: 1 January 1934 to 31 December 19341935: 1 January 1935 to 31 December 19351936: 1 January 1936 to 31 December 19361937: 2 January 1937 to 31 December 19371938: 1 January 1938 to 31 December 19381939: 1 January 1939 to 31 December 19391940: 1 January 1940 to 31 December 19401941: 1 January 1941 to 31 December 19411942: 1 January 1942 to 31 December 19421943: 1 January 1943 to 31 December 19431944: 1 January 1944 to 31 December 19441945: 1 January 1945 to 31 December 19451946: 1 January 1946 to 31 December 19461947: 1 January 1947 to 31 December 19471917192619311935193919431947JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Trout Lake meeting 0 C (32 F).
First to last qualifying date each year at Trout Lake
YearFirst dateLast date
19171917-01-011917-12-31
19181918-01-011918-12-31
19191919-01-011919-12-31
19201920-01-011920-12-31
19261926-01-011926-12-31
19281928-01-011928-12-31
19291929-01-011929-12-31
19301930-01-011930-12-31
19311931-01-011931-12-31
19321932-01-011932-12-31
19331933-01-011933-12-31
19341934-01-011934-12-31
19351935-01-011935-12-31
19361936-01-011936-12-31
19371937-01-021937-12-31
19381938-01-011938-12-31
19391939-01-011939-12-31
19401940-01-011940-12-31
19411941-01-011941-12-31
19421942-01-011942-12-31
19431943-01-011943-12-31
19441944-01-011944-12-31
19451945-01-011945-12-31
19461946-01-011946-12-31
19471947-01-011947-12-31

Every Fixed Threshold

Fixed thresholds at Trout Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2219311
0 C (32 F): Ice days (max2556192943
0 C (32 F): Frost days (min253131944279
-10 C (14 F): Days with min251481944145
-20 C (-4 F): Days with min2544194638
-30 C (-22 F): Days with min7219331
10 mm (0.39 in): Days with 10 mm or more rain4239198434
25 mm (0.98 in): Days with 25 mm or more rain36719416
50 mm (1.97 in): Days with 50 mm or more rain3119291
10 cm (3.9 in): Days with 10 cm or more snowfall3439194219
25 cm (9.8 in): Days with 25 cm or more snowfall29719384
50 cm (19.7 in): Days with 50 cm or more snowfall4119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Trout 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 (2025-12-31).