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Built 2026-10-18 (18 October 2026)

Parkfield California Threshold Days by Year

11 fixed thresholds counted per year at Parkfield California (USR0000CPAR): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parkfield California Thresholds

  • Parkfield California: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2003 with 161.
  • Parkfield California: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 2003 with 111.
  • Parkfield California: days with a maximum temperature at or above 40 C (104 F) in 34 years, most in 2003 with 37.
  • Parkfield California: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 2003 with 141.
  • 11 fixed thresholds have at least one qualifying day at Parkfield California.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Parkfield California Days per year at Parkfield California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 2003. 0501001502001993: 1081994: 1271995: 1271996: 1291997: 1341998: 851999: 1352000: 1272001: 1562002: 1262003: 1612004: 1382005: 1122006: 1272007: 1452008: 1422009: 1262010: 1192011: 1102012: 1452013: 1372014: 1452015: 1242016: 1242017: 1082018: 1262019: 1272020: 1472021: 1352022: 1462023: 1022024: 1342025: 1282026: 133199319972001200520092013201720212025
Days per year at Parkfield California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 2003.
Days at or above 30 C (86 F) per year at Parkfield California
YearDaysDecade average
1993108120.7
1994127120.7
1995127120.7
1996129120.7
1997134120.7
199885120.7
1999135120.7
2000127136
2001156136
2002126136
2003161136
2004138136
2005112136
2006127136
2007145136
2008142136
2009126136
2010119126.5
2011110126.5
2012145126.5
2013137126.5
2014145126.5
2015124126.5
2016124126.5
2017108126.5
2018126126.5
2019127126.5
2020147132.1
2021135132.1
2022146132.1
2023102132.1
2024134132.1
2025128132.1
2026133132.1
First to last qualifying date each year at Parkfield California For each year, a bar from the first to the last day at Parkfield California meeting 30 C (86 F). 1993: 30 April 1993 to 27 October 19931994: 15 April 1994 to 10 October 19941995: 24 April 1995 to 14 November 19951996: 7 April 1996 to 12 October 19961997: 26 April 1997 to 5 November 19971998: 29 April 1998 to 21 October 19981999: 16 April 1999 to 5 November 19992000: 2 April 2000 to 20 October 20002001: 31 March 2001 to 26 October 20012002: 30 March 2002 to 21 November 20022003: 31 March 2003 to 28 October 20032004: 18 March 2004 to 15 October 20042005: 14 May 2005 to 1 November 20052006: 1 May 2006 to 7 November 20062007: 12 March 2007 to 15 November 20072008: 12 April 2008 to 18 November 20082009: 19 April 2009 to 3 November 20092010: 15 May 2010 to 4 November 20102011: 1 April 2011 to 23 October 20112012: 20 April 2012 to 6 November 20122013: 13 March 2013 to 22 October 20132014: 9 April 2014 to 6 November 20142015: 26 March 2015 to 31 October 20152016: 6 April 2016 to 21 October 20162017: 1 May 2017 to 22 November 20172018: 22 April 2018 to 4 November 20182019: 18 April 2019 to 18 November 20192020: 24 April 2020 to 4 November 20202021: 18 April 2021 to 29 October 20212022: 23 March 2022 to 21 October 20222023: 26 April 2023 to 20 October 20232024: 11 May 2024 to 25 October 20242025: 25 March 2025 to 10 November 20252026: 17 March 2026 to 9 October 20261993199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parkfield California meeting 30 C (86 F).
First to last qualifying date each year at Parkfield California
YearFirst dateLast date
19931993-04-301993-10-27
19941994-04-151994-10-10
19951995-04-241995-11-14
19961996-04-071996-10-12
19971997-04-261997-11-05
19981998-04-291998-10-21
19991999-04-161999-11-05
20002000-04-022000-10-20
20012001-03-312001-10-26
20022002-03-302002-11-21
20032003-03-312003-10-28
20042004-03-182004-10-15
20052005-05-142005-11-01
20062006-05-012006-11-07
20072007-03-122007-11-15
20082008-04-122008-11-18
20092009-04-192009-11-03
20102010-05-152010-11-04
20112011-04-012011-10-23
20122012-04-202012-11-06
20132013-03-132013-10-22
20142014-04-092014-11-06
20152015-03-262015-10-31
20162016-04-062016-10-21
20172017-05-012017-11-22
20182018-04-222018-11-04
20192019-04-182019-11-18
20202020-04-242020-11-04
20212021-04-182021-10-29
20222022-03-232022-10-21
20232023-04-262023-10-20
20242024-05-112024-10-25
20252025-03-252025-11-10
20262026-03-172026-10-09

Every Fixed Threshold

Fixed thresholds at Parkfield California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days341612003133
35 C (95 F): Days34111200373
40 C (104 F): Days3437200313
45 C (113 F): Days6220061
90 F (32.2 C): Days341412003110
100 F (37.8 C): Days3477200345
110 F (43.3 C): Days19620065
0 C (32 F): Frost days (min33119200315
-10 C (14 F): Days with min3319983
20 C (68 F): Tropical nights (min164020032
25 C (77 F): Days with min1520035

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Parkfield 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).