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Built 2026-10-17 (17 October 2026)

Crystal Lake Threshold Days by Year

13 fixed thresholds counted per year at Crystal Lake (USS0009C01S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Crystal Lake Thresholds

  • Crystal Lake: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 2013 with 47.
  • Crystal Lake: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 2010 with 16.
  • Crystal Lake: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 2009 with 88.
  • Crystal Lake: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2004 with 256.
  • 13 fixed thresholds have at least one qualifying day at Crystal Lake.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Crystal Lake Days per year at Crystal Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2007. 051015201989: 41990: 41991: 21994: 21995: 21996: 51998: 41999: 52000: 112001: 52002: 72003: 162005: 32006: 92007: 172008: 92010: 12011: 52012: 122013: 42014: 12015: 62016: 32017: 92018: 62019: 22020: 42021: 142022: 92023: 52024: 72025: 12026: 4198919952000200520102014201820222026
Days per year at Crystal Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2007.
Days at or above 30 C (86 F) per year at Crystal Lake
YearDaysDecade average
198944
199043.4
199123.4
199423.4
199523.4
199653.4
199843.4
199953.4
2000119.6
200159.6
200279.6
2003169.6
200539.6
200699.6
2007179.6
200899.6
201014.9
201154.9
2012124.9
201344.9
201414.9
201564.9
201634.9
201794.9
201864.9
201924.9
202046.3
2021146.3
202296.3
202356.3
202476.3
202516.3
202646.3
First to last qualifying date each year at Crystal Lake For each year, a bar from the first to the last day at Crystal Lake meeting 30 C (86 F). 1989: 4 July 1989 to 31 July 19891990: 30 June 1990 to 15 August 19901991: 9 August 1991 to 31 August 19911994: 14 August 1994 to 15 August 19941995: 6 August 1995 to 7 August 19951996: 2 July 1996 to 16 August 19961998: 17 July 1998 to 5 September 19981999: 24 July 1999 to 27 August 19992000: 13 July 2000 to 15 September 20002001: 5 July 2001 to 7 August 20012002: 26 June 2002 to 15 July 20022003: 12 July 2003 to 16 August 20032005: 8 July 2005 to 6 August 20052006: 15 July 2006 to 22 August 20062007: 28 June 2007 to 4 September 20072008: 30 June 2008 to 25 August 20082010: 26 August 2010 to 26 August 20102011: 18 July 2011 to 27 August 20112012: 24 June 2012 to 28 August 20122013: 2 July 2013 to 6 September 20132014: 12 August 2014 to 12 August 20142015: 27 June 2015 to 14 August 20152016: 19 July 2016 to 31 August 20162017: 5 July 2017 to 30 August 20172018: 6 July 2018 to 11 August 20182019: 23 July 2019 to 2 August 20192020: 22 July 2020 to 5 September 20202021: 3 June 2021 to 16 August 20212022: 13 July 2022 to 7 September 20222023: 22 July 2023 to 17 August 20232024: 10 July 2024 to 18 August 20242025: 19 August 2025 to 19 August 20252026: 11 July 2026 to 1 August 20261989199620022008201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Crystal Lake meeting 30 C (86 F).
First to last qualifying date each year at Crystal Lake
YearFirst dateLast date
19891989-07-041989-07-31
19901990-06-301990-08-15
19911991-08-091991-08-31
19941994-08-141994-08-15
19951995-08-061995-08-07
19961996-07-021996-08-16
19981998-07-171998-09-05
19991999-07-241999-08-27
20002000-07-132000-09-15
20012001-07-052001-08-07
20022002-06-262002-07-15
20032003-07-122003-08-16
20052005-07-082005-08-06
20062006-07-152006-08-22
20072007-06-282007-09-04
20082008-06-302008-08-25
20102010-08-262010-08-26
20112011-07-182011-08-27
20122012-06-242012-08-28
20132013-07-022013-09-06
20142014-08-122014-08-12
20152015-06-272015-08-14
20162016-07-192016-08-31
20172017-07-052017-08-30
20182018-07-062018-08-11
20192019-07-232019-08-02
20202020-07-222020-09-05
20212021-06-032021-08-16
20222022-07-132022-09-07
20232023-07-222023-08-17
20242024-07-102024-08-18
20252025-08-192025-08-19
20262026-07-112026-08-01

Every Fixed Threshold

Fixed thresholds at Crystal Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331720074
35 C (95 F): Days2120021
90 F (32.2 C): Days15820072
0 C (32 F): Ice days (max3888200934
0 C (32 F): Frost days (min352562004137
-10 C (14 F): Days with min3599199628
-20 C (-4 F): Days with min354319966
-30 C (-22 F): Days with min281119961
-40 C (-40 F): Days with min1220242
10 mm (0.39 in): Days with 10 mm or more rain4847201332
25 mm (0.98 in): Days with 25 mm or more rain481620106
50 mm (1.97 in): Days with 50 mm or more rain32420052
100 mm (3.94 in): Days with 100 mm or more rain6119981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Crystal 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).