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Built 2026-10-19 (19 October 2026)

Chemult Alternate Threshold Days by Year (USS0021F22S)

11 fixed thresholds counted per year at Chemult Alternate (USS0021F22S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chemult Alternate Thresholds

  • Chemult Alternate: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1983 with 41.
  • Chemult Alternate: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1996 with 12.
  • Chemult Alternate: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1996 with 38.
  • Chemult Alternate: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1990 with 29.
  • 11 fixed thresholds have at least one qualifying day at Chemult Alternate.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Chemult Alternate Days per year at Chemult Alternate with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1996. 0102030401989: 91990: 281991: 271992: 271994: 371995: 171996: 381997: 121998: 371999: 152000: 192001: 362002: 332003: 352004: 152005: 262006: 322007: 242008: 252009: 152010: 62011: 12012: 82013: 132014: 162015: 192016: 162017: 232018: 162019: 22020: 172021: 382022: 222023: 122024: 242025: 142026: 161989199419982002200620102014201820222026
Days per year at Chemult Alternate with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1996.
Days at or above 30 C (86 F) per year at Chemult Alternate
YearDaysDecade average
198999
19902826.4
19912726.4
19922726.4
19943726.4
19951726.4
19963826.4
19971226.4
19983726.4
19991526.4
20001926
20013626
20023326
20033526
20041526
20052626
20063226
20072426
20082526
20091526
2010612
2011112
2012812
20131312
20141612
20151912
20161612
20172312
20181612
2019212
20201720.4
20213820.4
20222220.4
20231220.4
20242420.4
20251420.4
20261620.4
First to last qualifying date each year at Chemult Alternate For each year, a bar from the first to the last day at Chemult Alternate meeting 30 C (86 F). 1989: 6 July 1989 to 7 August 19891990: 21 June 1990 to 10 September 19901991: 2 July 1991 to 25 September 19911992: 6 May 1992 to 27 August 19921994: 27 June 1994 to 27 September 19941995: 25 June 1995 to 15 September 19951996: 2 June 1996 to 8 October 19961997: 11 May 1997 to 14 August 19971998: 6 July 1998 to 6 September 19981999: 14 June 1999 to 26 August 19992000: 27 June 2000 to 13 September 20002001: 22 May 2001 to 11 September 20012002: 13 June 2002 to 13 September 20022003: 23 May 2003 to 26 September 20032004: 22 June 2004 to 14 August 20042005: 14 July 2005 to 27 August 20052006: 17 May 2006 to 12 September 20062007: 1 June 2007 to 11 September 20072008: 16 May 2008 to 16 September 20082009: 16 July 2009 to 23 September 20092010: 15 July 2010 to 25 August 20102011: 6 July 2011 to 6 July 20112012: 8 July 2012 to 17 August 20122013: 30 June 2013 to 19 August 20132014: 1 July 2014 to 11 August 20142015: 8 June 2015 to 12 September 20152016: 4 June 2016 to 20 August 20162017: 19 June 2017 to 5 September 20172018: 12 July 2018 to 14 August 20182019: 5 August 2019 to 27 August 20192020: 23 June 2020 to 7 September 20202021: 1 June 2021 to 7 September 20212022: 26 June 2022 to 6 September 20222023: 2 July 2023 to 16 August 20232024: 26 June 2024 to 6 September 20242025: 8 June 2025 to 2 September 20252026: 15 June 2026 to 20 August 202619891995200020052010201520202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chemult Alternate meeting 30 C (86 F).
First to last qualifying date each year at Chemult Alternate
YearFirst dateLast date
19891989-07-061989-08-07
19901990-06-211990-09-10
19911991-07-021991-09-25
19921992-05-061992-08-27
19941994-06-271994-09-27
19951995-06-251995-09-15
19961996-06-021996-10-08
19971997-05-111997-08-14
19981998-07-061998-09-06
19991999-06-141999-08-26
20002000-06-272000-09-13
20012001-05-222001-09-11
20022002-06-132002-09-13
20032003-05-232003-09-26
20042004-06-222004-08-14
20052005-07-142005-08-27
20062006-05-172006-09-12
20072007-06-012007-09-11
20082008-05-162008-09-16
20092009-07-162009-09-23
20102010-07-152010-08-25
20112011-07-062011-07-06
20122012-07-082012-08-17
20132013-06-302013-08-19
20142014-07-012014-08-11
20152015-06-082015-09-12
20162016-06-042016-08-20
20172017-06-192017-09-05
20182018-07-122018-08-14
20192019-08-052019-08-27
20202020-06-232020-09-07
20212021-06-012021-09-07
20222022-06-262022-09-06
20232023-07-022023-08-16
20242024-06-262024-09-06
20252025-06-082025-09-02
20262026-06-152026-08-20

Every Fixed Threshold

Fixed thresholds at Chemult Alternate
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3738199616
35 C (95 F): Days16719981
90 F (32.2 C): Days342319983
100 F (37.8 C): Days2320021
0 C (32 F): Ice days (max372919904
0 C (32 F): Frost days (min332561999158
-10 C (14 F): Days with min3353199412
-20 C (-4 F): Days with min17620131
10 mm (0.39 in): Days with 10 mm or more rain4641198312
25 mm (0.98 in): Days with 25 mm or more rain451219962
50 mm (1.97 in): Days with 50 mm or more rain13319961

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 Chemult Alternate 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).