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

Cooper Lake Threshold Days by Year (USS0049L10S)

9 fixed thresholds counted per year at Cooper Lake (USS0049L10S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cooper Lake Thresholds

  • Cooper Lake: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1987 with 46.
  • Cooper Lake: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 2018 with 12.
  • Cooper Lake: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 2018 with 4.
  • Cooper Lake: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 2012 with 122.
  • 9 fixed thresholds have at least one qualifying day at Cooper Lake.
19 years with a qualifying day
Nights at or below 0 C (32 F) per year at Cooper Lake Days per year at Cooper Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 217 in 2008. 01002003001998: 2062008: 2172009: 1932010: 1972011: 2042012: 2112013: 2062014: 1772015: 1842016: 1732017: 1882018: 1772019: 1742020: 1972021: 2092022: 1942023: 1962025: 1772026: 1251998200920112013201520172019202120232026
Days per year at Cooper Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 217 in 2008.
Nights at or below 0 C (32 F) per year at Cooper Lake
YearDaysDecade average
1998206206
2008217205
2009193205
2010197189.1
2011204189.1
2012211189.1
2013206189.1
2014177189.1
2015184189.1
2016173189.1
2017188189.1
2018177189.1
2019174189.1
2020197183
2021209183
2022194183
2023196183
2025177183
2026125183
First to last qualifying date each year at Cooper Lake For each year, a bar from the first to the last day at Cooper Lake meeting 0 C (32 F). 1998: 1 January 1998 to 31 December 19982008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 4 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 30 December 20182019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 9 October 20261998201020132016201920222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cooper Lake meeting 0 C (32 F).
First to last qualifying date each year at Cooper Lake
YearFirst dateLast date
19981998-01-011998-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-042011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-30
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20252025-01-012025-12-31
20262026-01-012026-10-09

Every Fixed Threshold

Fixed thresholds at Cooper Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2120131
0 C (32 F): Ice days (max19122201261
0 C (32 F): Frost days (min192172008125
-10 C (14 F): Days with min1994201255
-20 C (-4 F): Days with min1414200915
10 mm (0.39 in): Days with 10 mm or more rain4346198713
25 mm (0.98 in): Days with 25 mm or more rain431220183
50 mm (1.97 in): Days with 50 mm or more rain31420181
100 mm (3.94 in): Days with 100 mm or more rain4119861

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2013.

Download the Data

  • Data for Cooper 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 (2026-10-12).