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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Howell Canyon Threshold Days by Year (USS0013G01S)

9 fixed thresholds counted per year at Howell Canyon (USS0013G01S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Howell Canyon Thresholds

  • Howell Canyon: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1983 with 61.
  • Howell Canyon: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2014 with 16.
  • Howell Canyon: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 2022 with 87.
  • Howell Canyon: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1995 with 239.
  • 9 fixed thresholds have at least one qualifying day at Howell Canyon.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Howell Canyon Days per year at Howell Canyon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2003. 012341992: 11998: 12000: 32002: 22003: 42005: 22006: 12007: 22009: 12018: 22020: 12021: 12022: 32023: 12026: 319922000200320062009202020222026
Days per year at Howell Canyon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2003.
Days at or above 30 C (86 F) per year at Howell Canyon
YearDaysDecade average
199211
199811
200032.1
200222.1
200342.1
200522.1
200612.1
200722.1
200912.1
201822
202011.8
202111.8
202231.8
202311.8
202631.8
First to last qualifying date each year at Howell Canyon For each year, a bar from the first to the last day at Howell Canyon meeting 30 C (86 F). 1992: 2 August 1992 to 2 August 19921998: 17 July 1998 to 17 July 19982000: 30 July 2000 to 1 August 20002002: 12 July 2002 to 13 July 20022003: 12 July 2003 to 31 July 20032005: 13 July 2005 to 15 July 20052006: 22 July 2006 to 22 July 20062007: 14 July 2007 to 23 July 20072009: 23 July 2009 to 23 July 20092018: 10 August 2018 to 11 August 20182020: 5 September 2020 to 5 September 20202021: 16 August 2021 to 16 August 20212022: 3 September 2022 to 7 September 20222023: 23 July 2023 to 23 July 20232026: 12 July 2026 to 7 August 202619922000200320062009202020222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Howell Canyon meeting 30 C (86 F).
First to last qualifying date each year at Howell Canyon
YearFirst dateLast date
19921992-08-021992-08-02
19981998-07-171998-07-17
20002000-07-302000-08-01
20022002-07-122002-07-13
20032003-07-122003-07-31
20052005-07-132005-07-15
20062006-07-222006-07-22
20072007-07-142007-07-23
20092009-07-232009-07-23
20182018-08-102018-08-11
20202020-09-052020-09-05
20212021-08-162021-08-16
20222022-09-032022-09-07
20232023-07-232023-07-23
20262026-07-122026-08-07

Every Fixed Threshold

Fixed thresholds at Howell Canyon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days15420033
0 C (32 F): Ice days (max3487202218
0 C (32 F): Frost days (min322391995120
-10 C (14 F): Days with min3283200822
-20 C (-4 F): Days with min231020133
10 mm (0.39 in): Days with 10 mm or more rain4561198318
25 mm (0.98 in): Days with 25 mm or more rain441620143
50 mm (1.97 in): Days with 50 mm or more rain21219861
100 mm (3.94 in): Days with 100 mm or more rain1120151

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 Howell Canyon 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).