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Built 2026-10-19 (19 October 2026)

Cohasset California Threshold Days by Year (USR0000CCOH)

9 fixed thresholds counted per year at Cohasset California (USR0000CCOH): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cohasset California Thresholds

  • Cohasset California: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2020 with 129.
  • Cohasset California: days with a maximum temperature at or above 35 C (95 F) in 36 years, most in 2021 with 61.
  • Cohasset California: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2020 with 99.
  • Cohasset California: days with a maximum temperature at or above 100 F (37.8 C) in 36 years, most in 2021 with 22.
  • 9 fixed thresholds have at least one qualifying day at Cohasset California.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Cohasset California Days per year at Cohasset California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 2020. 0501001501991: 951992: 1101993: 921994: 1031995: 881996: 991997: 821998: 641999: 932000: 952001: 1112002: 1082003: 1222004: 1202005: 852006: 972007: 782008: 1072009: 992010: 882011: 802012: 1032013: 882014: 1052015: 1052016: 1002017: 1062018: 1012019: 912020: 1292021: 1182022: 1092023: 982024: 992025: 902026: 101199119951999200320072011201520192023
Days per year at Cohasset California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 2020.
Days at or above 30 C (86 F) per year at Cohasset California
YearDaysDecade average
19919591.8
199211091.8
19939291.8
199410391.8
19958891.8
19969991.8
19978291.8
19986491.8
19999391.8
200095102.2
2001111102.2
2002108102.2
2003122102.2
2004120102.2
200585102.2
200697102.2
200778102.2
2008107102.2
200999102.2
20108896.7
20118096.7
201210396.7
20138896.7
201410596.7
201510596.7
201610096.7
201710696.7
201810196.7
20199196.7
2020129106.3
2021118106.3
2022109106.3
202398106.3
202499106.3
202590106.3
2026101106.3
First to last qualifying date each year at Cohasset California For each year, a bar from the first to the last day at Cohasset California meeting 30 C (86 F). 1991: 1 June 1991 to 19 October 19911992: 28 April 1992 to 13 October 19921993: 9 May 1993 to 26 October 19931994: 13 May 1994 to 2 October 19941995: 28 May 1995 to 19 October 19951996: 29 April 1996 to 9 October 19961997: 9 May 1997 to 30 September 19971998: 14 June 1998 to 16 September 19981999: 21 May 1999 to 14 October 19992000: 2 April 2000 to 6 October 20002001: 6 May 2001 to 15 October 20012002: 2 April 2002 to 14 October 20022003: 20 May 2003 to 28 October 20032004: 17 March 2004 to 15 October 20042005: 24 May 2005 to 17 October 20052006: 10 May 2006 to 28 September 20062007: 14 May 2007 to 11 September 20072008: 14 May 2008 to 1 October 20082009: 20 April 2009 to 28 September 20092010: 12 June 2010 to 15 October 20102011: 14 June 2011 to 29 September 20112012: 22 April 2012 to 18 October 20122013: 28 April 2013 to 19 September 20132014: 13 May 2014 to 8 October 20142015: 29 May 2015 to 14 October 20152016: 17 May 2016 to 28 September 20162017: 3 May 2017 to 24 October 20172018: 27 May 2018 to 13 October 20182019: 23 April 2019 to 23 October 20192020: 28 April 2020 to 21 October 20202021: 5 May 2021 to 4 October 20212022: 7 April 2022 to 20 October 20222023: 27 April 2023 to 19 October 20232024: 11 May 2024 to 8 October 20242025: 9 May 2025 to 26 September 20252026: 20 March 2026 to 9 October 202619911996200120062011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cohasset California meeting 30 C (86 F).
First to last qualifying date each year at Cohasset California
YearFirst dateLast date
19911991-06-011991-10-19
19921992-04-281992-10-13
19931993-05-091993-10-26
19941994-05-131994-10-02
19951995-05-281995-10-19
19961996-04-291996-10-09
19971997-05-091997-09-30
19981998-06-141998-09-16
19991999-05-211999-10-14
20002000-04-022000-10-06
20012001-05-062001-10-15
20022002-04-022002-10-14
20032003-05-202003-10-28
20042004-03-172004-10-15
20052005-05-242005-10-17
20062006-05-102006-09-28
20072007-05-142007-09-11
20082008-05-142008-10-01
20092009-04-202009-09-28
20102010-06-122010-10-15
20112011-06-142011-09-29
20122012-04-222012-10-18
20132013-04-282013-09-19
20142014-05-132014-10-08
20152015-05-292015-10-14
20162016-05-172016-09-28
20172017-05-032017-10-24
20182018-05-272018-10-13
20192019-04-232019-10-23
20202020-04-282020-10-21
20212021-05-052021-10-04
20222022-04-072022-10-20
20232023-04-272023-10-19
20242024-05-112024-10-08
20252025-05-092025-09-26
20262026-03-202026-10-09

Every Fixed Threshold

Fixed thresholds at Cohasset California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days361292020101
35 C (95 F): Days3661202130
40 C (104 F): Days2912202412
90 F (32.2 C): Days3699202075
100 F (37.8 C): Days362220217
110 F (43.3 C): Days3220222
0 C (32 F): Frost days (min28819911
20 C (68 F): Tropical nights (min36109202093
25 C (77 F): Days with min3534202219

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Cohasset California 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).