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Built 2026-10-17 (17 October 2026)

Cooskie Mountain California Threshold Days by Year

10 fixed thresholds counted per year at Cooskie Mountain California (USR0000CCOO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cooskie Mountain California Thresholds

  • Cooskie Mountain California: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 2003 with 40.
  • Cooskie Mountain California: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 2008 with 69.
  • Cooskie Mountain California: nights with a minimum temperature at or above 20 C (68 F) in 39 years, most in 1991 with 32.
  • Cooskie Mountain California: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 2003 with 28.
  • 10 fixed thresholds have at least one qualifying day at Cooskie Mountain California.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Cooskie Mountain California Days per year at Cooskie Mountain California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 2003. 0102030401986: 191987: 261988: 231989: 81990: 221991: 261992: 301993: 171994: 171995: 231996: 351997: 111998: 241999: 202000: 112001: 162002: 362003: 402004: 272005: 232006: 292007: 92008: 262009: 362010: 172011: 202012: 282013: 192014: 192015: 252016: 252017: 252018: 202019: 82020: 282021: 262024: 322025: 192026: 221986199019941998200220062010201420182024
Days per year at Cooskie Mountain California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 2003.
Days at or above 30 C (86 F) per year at Cooskie Mountain California
YearDaysDecade average
19861919
19872619
19882319
1989819
19902222.5
19912622.5
19923022.5
19931722.5
19941722.5
19952322.5
19963522.5
19971122.5
19982422.5
19992022.5
20001125.3
20011625.3
20023625.3
20034025.3
20042725.3
20052325.3
20062925.3
2007925.3
20082625.3
20093625.3
20101720.6
20112020.6
20122820.6
20131920.6
20141920.6
20152520.6
20162520.6
20172520.6
20182020.6
2019820.6
20202825.4
20212625.4
20243225.4
20251925.4
20262225.4
First to last qualifying date each year at Cooskie Mountain California For each year, a bar from the first to the last day at Cooskie Mountain California meeting 30 C (86 F). 1986: 29 May 1986 to 6 September 19861987: 5 May 1987 to 6 October 19871988: 20 May 1988 to 30 September 19881989: 9 April 1989 to 23 September 19891990: 19 June 1990 to 30 September 19901991: 2 July 1991 to 14 October 19911992: 3 May 1992 to 11 October 19921993: 25 June 1993 to 27 October 19931994: 27 June 1994 to 26 September 19941995: 28 May 1995 to 21 September 19951996: 2 June 1996 to 9 October 19961997: 17 May 1997 to 24 September 19971998: 28 April 1998 to 14 September 19981999: 23 May 1999 to 16 October 19992000: 20 June 2000 to 6 October 20002001: 21 May 2001 to 3 October 20012002: 11 June 2002 to 16 October 20022003: 3 June 2003 to 28 October 20032004: 26 April 2004 to 15 October 20042005: 25 May 2005 to 17 October 20052006: 10 May 2006 to 28 September 20062007: 7 May 2007 to 9 September 20072008: 15 May 2008 to 28 September 20082009: 19 April 2009 to 27 September 20092010: 9 July 2010 to 29 September 20102011: 5 July 2011 to 28 September 20112012: 7 July 2012 to 3 October 20122013: 2 May 2013 to 10 September 20132014: 4 June 2014 to 6 October 20142015: 7 June 2015 to 13 October 20152016: 7 April 2016 to 26 September 20162017: 22 May 2017 to 12 September 20172018: 24 June 2018 to 27 September 20182019: 10 June 2019 to 27 August 20192020: 28 May 2020 to 16 October 20202021: 1 June 2021 to 23 September 20212024: 3 July 2024 to 7 October 20242025: 6 June 2025 to 23 September 20252026: 14 June 2026 to 8 October 202619861991199620012006201120162021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cooskie Mountain California meeting 30 C (86 F).
First to last qualifying date each year at Cooskie Mountain California
YearFirst dateLast date
19861986-05-291986-09-06
19871987-05-051987-10-06
19881988-05-201988-09-30
19891989-04-091989-09-23
19901990-06-191990-09-30
19911991-07-021991-10-14
19921992-05-031992-10-11
19931993-06-251993-10-27
19941994-06-271994-09-26
19951995-05-281995-09-21
19961996-06-021996-10-09
19971997-05-171997-09-24
19981998-04-281998-09-14
19991999-05-231999-10-16
20002000-06-202000-10-06
20012001-05-212001-10-03
20022002-06-112002-10-16
20032003-06-032003-10-28
20042004-04-262004-10-15
20052005-05-252005-10-17
20062006-05-102006-09-28
20072007-05-072007-09-09
20082008-05-152008-09-28
20092009-04-192009-09-27
20102010-07-092010-09-29
20112011-07-052011-09-28
20122012-07-072012-10-03
20132013-05-022013-09-10
20142014-06-042014-10-06
20152015-06-072015-10-13
20162016-04-072016-09-26
20172017-05-222017-09-12
20182018-06-242018-09-27
20192019-06-102019-08-27
20202020-05-282020-10-16
20212021-06-012021-09-23
20242024-07-032024-10-07
20252025-06-062025-09-23
20262026-06-142026-10-08

Every Fixed Threshold

Fixed thresholds at Cooskie Mountain California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3940200322
35 C (95 F): Days321120031
40 C (104 F): Days2119981
90 F (32.2 C): Days3828200310
100 F (37.8 C): Days12619981
0 C (32 F): Ice days (max17619891
0 C (32 F): Frost days (min396920084
-10 C (14 F): Days with min2119901
20 C (68 F): Tropical nights (min3932199115
25 C (77 F): Days with min22620061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

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

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