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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Crocker Threshold Days by Year

19 fixed thresholds counted per year at Crocker (USC00232004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Crocker Thresholds

  • Crocker: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1949 with 54.
  • Crocker: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1949 with 23.
  • Crocker: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1942 with 7.
  • Crocker: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1912 with 6.
  • 19 fixed thresholds have at least one qualifying day at Crocker.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Crocker Days per year at Crocker with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1913. 0501001501912: 831913: 1031915: 411916: 841912191319151916
Days per year at Crocker with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1913.
Days at or above 30 C (86 F) per year at Crocker
YearDaysDecade average
19128377.8
191310377.8
19154177.8
19168477.8
First to last qualifying date each year at Crocker For each year, a bar from the first to the last day at Crocker meeting 30 C (86 F). 1912: 1 May 1912 to 10 October 19121913: 17 April 1913 to 6 October 19131915: 26 April 1915 to 16 September 19151916: 17 March 1916 to 27 September 19161912191319151916JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Crocker meeting 30 C (86 F).
First to last qualifying date each year at Crocker
YearFirst dateLast date
19121912-05-011912-10-10
19131913-04-171913-10-06
19151915-04-261915-09-16
19161916-03-171916-09-27

Every Fixed Threshold

Fixed thresholds at Crocker
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4103191384
35 C (95 F): Days451191347
40 C (104 F): Days1719137
90 F (32.2 C): Days479191361
100 F (37.8 C): Days325191319
0 C (32 F): Ice days (max424191624
0 C (32 F): Frost days (min4127191281
-10 C (14 F): Days with min440191224
-20 C (-4 F): Days with min3619125
-30 C (-22 F): Days with min1119121
20 C (68 F): Tropical nights (min447191647
25 C (77 F): Days with min3219131
10 mm (0.39 in): Days with 10 mm or more rain2854194937
25 mm (0.98 in): Days with 25 mm or more rain2823194911
50 mm (1.97 in): Days with 50 mm or more rain25719423
100 mm (3.94 in): Days with 100 mm or more rain2319463
10 cm (3.9 in): Days with 10 cm or more snowfall20619121
25 cm (9.8 in): Days with 25 cm or more snowfall3219512
50 cm (19.7 in): Days with 50 cm or more snowfall1119121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Crocker 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).