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

San Gabriel Canyon Ph Threshold Days by Year (USC00047776)

14 fixed thresholds counted per year at San Gabriel Canyon Ph (USC00047776): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Gabriel Canyon Ph Thresholds

  • San Gabriel Canyon Ph: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1983 with 37.
  • San Gabriel Canyon Ph: days with 25 mm (0.98 in) or more of precipitation in 97 years, most in 1983 with 19.
  • San Gabriel Canyon Ph: days with 50 mm (1.97 in) or more of precipitation in 79 years, most in 1969 with 8.
  • San Gabriel Canyon Ph: days with 100 mm (3.94 in) or more of precipitation in 24 years, most in 1943 with 2.
  • 14 fixed thresholds have at least one qualifying day at San Gabriel Canyon Ph.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at San Gabriel Canyon Ph Days per year at San Gabriel Canyon Ph with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 200 in 2014. 0501001502001920: 1011925: 871926: 991927: 1161928: 1052012: 1902013: 1842014: 20019201925192619271928201220132014
Days per year at San Gabriel Canyon Ph with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 200 in 2014.
Days at or above 30 C (86 F) per year at San Gabriel Canyon Ph
YearDaysDecade average
1920101101.6
192587101.6
192699101.6
1927116101.6
1928105101.6
2012190191.3
2013184191.3
2014200191.3
First to last qualifying date each year at San Gabriel Canyon Ph For each year, a bar from the first to the last day at San Gabriel Canyon Ph meeting 30 C (86 F). 1920: 17 January 1920 to 28 September 19201925: 27 February 1925 to 24 October 19251926: 26 February 1926 to 17 November 19261927: 23 March 1927 to 3 December 19271928: 3 January 1928 to 26 December 19282012: 2 January 2012 to 25 November 20122013: 17 February 2013 to 17 December 20132014: 15 January 2014 to 29 November 201419201925192619271928201220132014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Gabriel Canyon Ph meeting 30 C (86 F).
First to last qualifying date each year at San Gabriel Canyon Ph
YearFirst dateLast date
19201920-01-171920-09-28
19251925-02-271925-10-24
19261926-02-261926-11-17
19271927-03-231927-12-03
19281928-01-031928-12-26
20122012-01-022012-11-25
20132013-02-172013-12-17
20142014-01-152014-11-29

Every Fixed Threshold

Fixed thresholds at San Gabriel Canyon Ph
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days82002014200
35 C (95 F): Days81102014110
40 C (104 F): Days726201214
90 F (32.2 C): Days81732014173
100 F (37.8 C): Days852201452
110 F (43.3 C): Days3220122
0 C (32 F): Frost days (min2119201
20 C (68 F): Tropical nights (min839201238
25 C (77 F): Days with min3320131
10 mm (0.39 in): Days with 10 mm or more rain993719839
25 mm (0.98 in): Days with 25 mm or more rain971919833
50 mm (1.97 in): Days with 50 mm or more rain79819691
100 mm (3.94 in): Days with 100 mm or more rain24219431
200 mm (7.87 in): Days with 200 mm or more rain2119331

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for San Gabriel Canyon Ph 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).