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Data as of 2026-10-14
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Built 2026-10-16 (16 October 2026)

Friend Mountain California Threshold Days by Year

10 fixed thresholds counted per year at Friend Mountain California (USR0000CFRI): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Friend Mountain California Thresholds

  • Friend Mountain California: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2014 with 81.
  • Friend Mountain California: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 2009 with 22.
  • Friend Mountain California: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 2014 with 54.
  • Friend Mountain California: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 2011 with 126.
  • 10 fixed thresholds have at least one qualifying day at Friend Mountain California.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Friend Mountain California Days per year at Friend Mountain California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 2014. 02550751001991: 681992: 522000: 402005: 582006: 642007: 552008: 582009: 672010: 562011: 592012: 692013: 602014: 812015: 612016: 682017: 712018: 562019: 382020: 592021: 672022: 622023: 372024: 722025: 612026: 60199120052008201120142017202020232026
Days per year at Friend Mountain California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 2014.
Days at or above 30 C (86 F) per year at Friend Mountain California
YearDaysDecade average
19916860
19925260
20004057
20055857
20066457
20075557
20085857
20096757
20105661.9
20115961.9
20126961.9
20136061.9
20148161.9
20156161.9
20166861.9
20177161.9
20185661.9
20193861.9
20205959.7
20216759.7
20226259.7
20233759.7
20247259.7
20256159.7
20266059.7
First to last qualifying date each year at Friend Mountain California For each year, a bar from the first to the last day at Friend Mountain California meeting 30 C (86 F). 1991: 9 June 1991 to 14 October 19911992: 4 May 1992 to 12 October 19922000: 21 May 2000 to 20 September 20002005: 26 May 2005 to 29 September 20052006: 15 May 2006 to 29 September 20062007: 29 May 2007 to 21 September 20072008: 15 May 2008 to 29 September 20082009: 20 April 2009 to 27 September 20092010: 27 June 2010 to 12 October 20102011: 20 June 2011 to 29 September 20112012: 16 June 2012 to 4 October 20122013: 3 May 2013 to 14 September 20132014: 13 May 2014 to 6 October 20142015: 5 June 2015 to 15 October 20152016: 30 May 2016 to 28 September 20162017: 22 May 2017 to 12 September 20172018: 23 June 2018 to 28 September 20182019: 10 June 2019 to 25 September 20192020: 27 May 2020 to 16 October 20202021: 31 May 2021 to 24 September 20212022: 21 June 2022 to 15 October 20222023: 5 June 2023 to 16 September 20232024: 5 June 2024 to 3 October 20242025: 30 May 2025 to 27 September 20252026: 12 June 2026 to 8 October 20261991200620102014201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Friend Mountain California meeting 30 C (86 F).
First to last qualifying date each year at Friend Mountain California
YearFirst dateLast date
19911991-06-091991-10-14
19921992-05-041992-10-12
20002000-05-212000-09-20
20052005-05-262005-09-29
20062006-05-152006-09-29
20072007-05-292007-09-21
20082008-05-152008-09-29
20092009-04-202009-09-27
20102010-06-272010-10-12
20112011-06-202011-09-29
20122012-06-162012-10-04
20132013-05-032013-09-14
20142014-05-132014-10-06
20152015-06-052015-10-15
20162016-05-302016-09-28
20172017-05-222017-09-12
20182018-06-232018-09-28
20192019-06-102019-09-25
20202020-05-272020-10-16
20212021-05-312021-09-24
20222022-06-212022-10-15
20232023-06-052023-09-16
20242024-06-052024-10-03
20252025-05-302025-09-27
20262026-06-122026-10-08

Every Fixed Threshold

Fixed thresholds at Friend Mountain California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2581201460
35 C (95 F): Days252220099
40 C (104 F): Days3220221
90 F (32.2 C): Days2554201427
100 F (37.8 C): Days17620165
0 C (32 F): Ice days (max22920082
0 C (32 F): Frost days (min25126201133
-10 C (14 F): Days with min8220132
20 C (68 F): Tropical nights (min231520246
25 C (77 F): Days with min1120221

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 Friend 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).