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Built 2026-10-19 (19 October 2026)

Lyons Valley California Threshold Days by Year (USR0000CLYO)

10 fixed thresholds counted per year at Lyons Valley California (USR0000CLYO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lyons Valley California Thresholds

  • Lyons Valley California: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1991 with 65.
  • Lyons Valley California: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1996 with 50.
  • Lyons Valley California: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 2012 with 59.
  • Lyons Valley California: nights with a minimum temperature at or above 20 C (68 F) in 38 years, most in 2020 with 74.
  • 10 fixed thresholds have at least one qualifying day at Lyons Valley California.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Lyons Valley California Days per year at Lyons Valley California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1991. 0204060801989: 281990: 451991: 651992: 591993: 461994: 601995: 541996: 631997: 351998: 441999: 552000: 522001: 632002: 582003: 642004: 422005: 492006: 502007: 402008: 162009: 472010: 392011: 352012: 592013: 392014: 512015: 432016: 462017: 602018: 432019: 242020: 562021: 612022: 502023: 322024: 632025: 482026: 591989199319972001200520092013201720212025
Days per year at Lyons Valley California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1991.
Days at or above 30 C (86 F) per year at Lyons Valley California
YearDaysDecade average
19892828
19904552.6
19916552.6
19925952.6
19934652.6
19946052.6
19955452.6
19966352.6
19973552.6
19984452.6
19995552.6
20005248.1
20016348.1
20025848.1
20036448.1
20044248.1
20054948.1
20065048.1
20074048.1
20081648.1
20094748.1
20103943.9
20113543.9
20125943.9
20133943.9
20145143.9
20154343.9
20164643.9
20176043.9
20184343.9
20192443.9
20205652.7
20216152.7
20225052.7
20233252.7
20246352.7
20254852.7
20265952.7
First to last qualifying date each year at Lyons Valley California For each year, a bar from the first to the last day at Lyons Valley California meeting 30 C (86 F). 1989: 8 April 1989 to 22 September 19891990: 3 May 1990 to 3 October 19901991: 1 June 1991 to 19 October 19911992: 31 May 1992 to 12 October 19921993: 17 June 1993 to 27 October 19931994: 9 June 1994 to 26 September 19941995: 29 May 1995 to 18 October 19951996: 2 June 1996 to 9 October 19961997: 16 June 1997 to 29 September 19971998: 6 July 1998 to 14 September 19981999: 22 May 1999 to 21 October 19992000: 2 April 2000 to 6 October 20002001: 7 May 2001 to 14 October 20012002: 30 May 2002 to 8 October 20022003: 28 May 2003 to 28 October 20032004: 15 June 2004 to 13 October 20042005: 30 June 2005 to 30 September 20052006: 17 May 2006 to 29 September 20062007: 14 June 2007 to 11 September 20072008: 15 May 2008 to 6 September 20082009: 16 May 2009 to 27 September 20092010: 27 June 2010 to 13 October 20102011: 20 June 2011 to 29 September 20112012: 31 May 2012 to 18 October 20122013: 6 June 2013 to 14 September 20132014: 7 June 2014 to 6 October 20142015: 7 June 2015 to 14 October 20152016: 31 May 2016 to 28 September 20162017: 22 May 2017 to 24 October 20172018: 3 June 2018 to 27 September 20182019: 10 June 2019 to 25 September 20192020: 28 May 2020 to 17 October 20202021: 31 May 2021 to 24 September 20212022: 21 June 2022 to 9 September 20222023: 29 June 2023 to 19 October 20232024: 6 June 2024 to 7 October 20242025: 30 May 2025 to 26 September 20252026: 20 March 2026 to 9 October 202619891994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lyons Valley California meeting 30 C (86 F).
First to last qualifying date each year at Lyons Valley California
YearFirst dateLast date
19891989-04-081989-09-22
19901990-05-031990-10-03
19911991-06-011991-10-19
19921992-05-311992-10-12
19931993-06-171993-10-27
19941994-06-091994-09-26
19951995-05-291995-10-18
19961996-06-021996-10-09
19971997-06-161997-09-29
19981998-07-061998-09-14
19991999-05-221999-10-21
20002000-04-022000-10-06
20012001-05-072001-10-14
20022002-05-302002-10-08
20032003-05-282003-10-28
20042004-06-152004-10-13
20052005-06-302005-09-30
20062006-05-172006-09-29
20072007-06-142007-09-11
20082008-05-152008-09-06
20092009-05-162009-09-27
20102010-06-272010-10-13
20112011-06-202011-09-29
20122012-05-312012-10-18
20132013-06-062013-09-14
20142014-06-072014-10-06
20152015-06-072015-10-14
20162016-05-312016-09-28
20172017-05-222017-10-24
20182018-06-032018-09-27
20192019-06-102019-09-25
20202020-05-282020-10-17
20212021-05-312021-09-24
20222022-06-212022-09-09
20232023-06-292023-10-19
20242024-06-062024-10-07
20252025-05-302025-09-26
20262026-03-202026-10-09

Every Fixed Threshold

Fixed thresholds at Lyons Valley California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3865199159
35 C (95 F): Days361819918
40 C (104 F): Days3219981
90 F (32.2 C): Days3850199628
100 F (37.8 C): Days17519982
0 C (32 F): Ice days (max19620192
0 C (32 F): Frost days (min385920127
-10 C (14 F): Days with min1319903
20 C (68 F): Tropical nights (min3874202051
25 C (77 F): Days with min351820218

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 Lyons Valley 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).