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Built 2026-10-17 (17 October 2026)

Mount Zion California Threshold Days by Year

10 fixed thresholds counted per year at Mount Zion California (USR0000CMTZ): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Zion California Thresholds

  • Mount Zion California: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2001 with 133.
  • Mount Zion California: days with a maximum temperature at or above 35 C (95 F) in 32 years, most in 2001 with 56.
  • Mount Zion California: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2001 with 103.
  • Mount Zion California: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 2020 with 94.
  • 10 fixed thresholds have at least one qualifying day at Mount Zion California.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Mount Zion California Days per year at Mount Zion California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 2001. 0501001501992: 831993: 681994: 901995: 661996: 831999: 732000: 752001: 1332002: 1182004: 1252005: 1002006: 982007: 672008: 962009: 812010: 692011: 742012: 922013: 722014: 922015: 912016: 842017: 922018: 952019: 762020: 1102021: 962022: 962023: 742024: 1042025: 812026: 9419921996200220072011201520192023
Days per year at Mount Zion California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 2001.
Days at or above 30 C (86 F) per year at Mount Zion California
YearDaysDecade average
19928377.2
19936877.2
19949077.2
19956677.2
19968377.2
19997377.2
20007599.2
200113399.2
200211899.2
200412599.2
200510099.2
20069899.2
20076799.2
20089699.2
20098199.2
20106983.7
20117483.7
20129283.7
20137283.7
20149283.7
20159183.7
20168483.7
20179283.7
20189583.7
20197683.7
202011093.6
20219693.6
20229693.6
20237493.6
202410493.6
20258193.6
20269493.6
First to last qualifying date each year at Mount Zion California For each year, a bar from the first to the last day at Mount Zion California meeting 30 C (86 F). 1992: 3 May 1992 to 23 October 19921993: 14 June 1993 to 3 October 19931994: 9 June 1994 to 27 September 19941995: 30 May 1995 to 14 October 19951996: 12 May 1996 to 9 October 19961999: 22 May 1999 to 20 October 19992000: 20 May 2000 to 1 October 20002001: 23 April 2001 to 26 October 20012002: 2 April 2002 to 14 October 20022004: 10 April 2004 to 14 October 20042005: 11 March 2005 to 24 October 20052006: 11 May 2006 to 29 September 20062007: 12 June 2007 to 11 September 20072008: 15 May 2008 to 1 October 20082009: 21 April 2009 to 28 September 20092010: 14 June 2010 to 15 October 20102011: 14 June 2011 to 29 September 20112012: 22 April 2012 to 18 October 20122013: 11 May 2013 to 19 September 20132014: 14 May 2014 to 13 October 20142015: 30 May 2015 to 14 October 20152016: 30 May 2016 to 28 September 20162017: 3 May 2017 to 28 September 20172018: 28 May 2018 to 28 September 20182019: 4 June 2019 to 25 September 20192020: 8 May 2020 to 18 October 20202021: 5 May 2021 to 4 October 20212022: 18 May 2022 to 11 October 20222023: 16 May 2023 to 19 October 20232024: 31 May 2024 to 9 October 20242025: 9 May 2025 to 7 October 20252026: 18 March 2026 to 9 October 202619921996200220072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Zion California meeting 30 C (86 F).
First to last qualifying date each year at Mount Zion California
YearFirst dateLast date
19921992-05-031992-10-23
19931993-06-141993-10-03
19941994-06-091994-09-27
19951995-05-301995-10-14
19961996-05-121996-10-09
19991999-05-221999-10-20
20002000-05-202000-10-01
20012001-04-232001-10-26
20022002-04-022002-10-14
20042004-04-102004-10-14
20052005-03-112005-10-24
20062006-05-112006-09-29
20072007-06-122007-09-11
20082008-05-152008-10-01
20092009-04-212009-09-28
20102010-06-142010-10-15
20112011-06-142011-09-29
20122012-04-222012-10-18
20132013-05-112013-09-19
20142014-05-142014-10-13
20152015-05-302015-10-14
20162016-05-302016-09-28
20172017-05-032017-09-28
20182018-05-282018-09-28
20192019-06-042019-09-25
20202020-05-082020-10-18
20212021-05-052021-10-04
20222022-05-182022-10-11
20232023-05-162023-10-19
20242024-05-312024-10-09
20252025-05-092025-10-07
20262026-03-182026-10-09

Every Fixed Threshold

Fixed thresholds at Mount Zion California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32133200194
35 C (95 F): Days3256200131
40 C (104 F): Days12520014
90 F (32.2 C): Days32103200171
100 F (37.8 C): Days302520053
110 F (43.3 C): Days1120221
0 C (32 F): Ice days (max4120021
0 C (32 F): Frost days (min313420085
20 C (68 F): Tropical nights (min3294202071
25 C (77 F): Days with min302620249

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Mount Zion 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).