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Built 2026-10-19 (19 October 2026)

Redding AP Threshold Days by Year (USW00024257)

17 fixed thresholds counted per year at Redding AP (USW00024257): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Redding AP Thresholds

  • Redding AP: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 2015 with 150.
  • Redding AP: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 2024 with 101.
  • Redding AP: days with a maximum temperature at or above 40 C (104 F) in 40 years, most in 2021 with 46.
  • Redding AP: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 2020 with 129.
  • 17 fixed thresholds have at least one qualifying day at Redding AP.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Redding AP Days per year at Redding AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 2015. 0501001501987: 1451988: 1341989: 1191990: 1221991: 1311992: 1481993: 1171994: 1191995: 1141996: 1241997: 1211998: 951999: 1252000: 1132001: 1342002: 1362003: 1352004: 1392005: 1122006: 1352007: 1252008: 1372009: 1262010: 1142011: 1142012: 1332013: 1262014: 1412015: 1502016: 1312017: 1342018: 1352019: 1312020: 1472021: 1402022: 1422023: 1352024: 1502025: 1382026: 1371987199119951999200320072011201520192023
Days per year at Redding AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 2015.
Days at or above 30 C (86 F) per year at Redding AP
YearDaysDecade average
1987145132.7
1988134132.7
1989119132.7
1990122121.6
1991131121.6
1992148121.6
1993117121.6
1994119121.6
1995114121.6
1996124121.6
1997121121.6
199895121.6
1999125121.6
2000113129.2
2001134129.2
2002136129.2
2003135129.2
2004139129.2
2005112129.2
2006135129.2
2007125129.2
2008137129.2
2009126129.2
2010114130.9
2011114130.9
2012133130.9
2013126130.9
2014141130.9
2015150130.9
2016131130.9
2017134130.9
2018135130.9
2019131130.9
2020147141.3
2021140141.3
2022142141.3
2023135141.3
2024150141.3
2025138141.3
2026137141.3
First to last qualifying date each year at Redding AP For each year, a bar from the first to the last day at Redding AP meeting 30 C (86 F). 1987: 15 April 1987 to 27 October 19871988: 9 April 1988 to 25 October 19881989: 6 April 1989 to 17 October 19891990: 3 April 1990 to 12 October 19901991: 21 May 1991 to 21 October 19911992: 1 April 1992 to 24 October 19921993: 28 April 1993 to 27 October 19931994: 15 April 1994 to 7 October 19941995: 23 May 1995 to 13 November 19951996: 29 April 1996 to 9 October 19961997: 25 April 1997 to 21 October 19971998: 28 April 1998 to 21 October 19981999: 21 May 1999 to 20 October 19992000: 2 April 2000 to 7 October 20002001: 4 May 2001 to 25 October 20012002: 30 March 2002 to 15 October 20022003: 14 May 2003 to 28 October 20032004: 17 March 2004 to 15 October 20042005: 14 May 2005 to 17 October 20052006: 26 April 2006 to 20 October 20062007: 11 March 2007 to 22 October 20072008: 11 April 2008 to 26 October 20082009: 18 April 2009 to 16 October 20092010: 14 May 2010 to 2 November 20102011: 31 March 2011 to 22 October 20112012: 20 April 2012 to 5 November 20122013: 21 April 2013 to 23 October 20132014: 29 April 2014 to 12 October 20142015: 9 March 2015 to 22 October 20152016: 6 April 2016 to 9 October 20162017: 30 April 2017 to 29 October 20172018: 21 April 2018 to 1 November 20182019: 22 April 2019 to 17 November 20192020: 24 April 2020 to 4 November 20202021: 18 April 2021 to 4 October 20212022: 22 March 2022 to 20 October 20222023: 22 April 2023 to 20 October 20232024: 21 April 2024 to 19 October 20242025: 14 April 2025 to 8 October 20252026: 16 March 2026 to 14 October 202619871992199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Redding AP meeting 30 C (86 F).
First to last qualifying date each year at Redding AP
YearFirst dateLast date
19871987-04-151987-10-27
19881988-04-091988-10-25
19891989-04-061989-10-17
19901990-04-031990-10-12
19911991-05-211991-10-21
19921992-04-011992-10-24
19931993-04-281993-10-27
19941994-04-151994-10-07
19951995-05-231995-11-13
19961996-04-291996-10-09
19971997-04-251997-10-21
19981998-04-281998-10-21
19991999-05-211999-10-20
20002000-04-022000-10-07
20012001-05-042001-10-25
20022002-03-302002-10-15
20032003-05-142003-10-28
20042004-03-172004-10-15
20052005-05-142005-10-17
20062006-04-262006-10-20
20072007-03-112007-10-22
20082008-04-112008-10-26
20092009-04-182009-10-16
20102010-05-142010-11-02
20112011-03-312011-10-22
20122012-04-202012-11-05
20132013-04-212013-10-23
20142014-04-292014-10-12
20152015-03-092015-10-22
20162016-04-062016-10-09
20172017-04-302017-10-29
20182018-04-212018-11-01
20192019-04-222019-11-17
20202020-04-242020-11-04
20212021-04-182021-10-04
20222022-03-222022-10-20
20232023-04-222023-10-20
20242024-04-212024-10-19
20252025-04-142025-10-08
20262026-03-162026-10-14

Every Fixed Threshold

Fixed thresholds at Redding AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days401502015137
35 C (95 F): Days40101202488
40 C (104 F): Days4046202120
45 C (113 F): Days21720247
90 F (32.2 C): Days401292020117
100 F (37.8 C): Days4072201744
110 F (43.3 C): Days3115198813
0 C (32 F): Ice days (max1119901
0 C (32 F): Frost days (min4068199010
20 C (68 F): Tropical nights (min4058201731
25 C (77 F): Days with min291220244
10 mm (0.39 in): Days with 10 mm or more rain4055199814
25 mm (0.98 in): Days with 25 mm or more rain402219984
50 mm (1.97 in): Days with 50 mm or more rain30619931
100 mm (3.94 in): Days with 100 mm or more rain2119901
10 cm (3.9 in): Days with 10 cm or more snowfall3219881
25 cm (9.8 in): Days with 25 cm or more snowfall1119881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Redding AP 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).