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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Sacramento Threshold Days by Year (USC00297735)

6 fixed thresholds counted per year at Sacramento (USC00297735): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sacramento Thresholds

  • Sacramento: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1921 with 25.
  • Sacramento: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1919 with 6.
  • Sacramento: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1929 with 5.
  • Sacramento: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1920 with 2.
  • 6 fixed thresholds have at least one qualifying day at Sacramento.
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sacramento Days per year at Sacramento with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1921. 01020301917: 101918: 151919: 211920: 151921: 251922: 131924: 111925: 201926: 211927: 191928: 181949: 201950: 91917191919211924192619281950
Days per year at Sacramento with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Sacramento
YearDaysDecade average
19171015.3
19181515.3
19192115.3
19201517.8
19212517.8
19221317.8
19241117.8
19252017.8
19262117.8
19271917.8
19281817.8
19492020
195099
First to last qualifying date each year at Sacramento For each year, a bar from the first to the last day at Sacramento meeting 10 mm (0.39 in). 1917: 20 January 1917 to 15 November 19171918: 20 January 1918 to 12 December 19181919: 1 February 1919 to 22 November 19191920: 11 January 1920 to 31 October 19201921: 28 February 1921 to 6 December 19211922: 3 January 1922 to 14 October 19221924: 24 February 1924 to 27 August 19241925: 7 May 1925 to 31 December 19251926: 21 January 1926 to 5 December 19261927: 30 March 1927 to 11 December 19271928: 10 February 1928 to 13 November 19281949: 9 January 1949 to 10 December 19491950: 12 February 1950 to 4 October 19501917191919211924192619281950JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sacramento meeting 10 mm (0.39 in).
First to last qualifying date each year at Sacramento
YearFirst dateLast date
19171917-01-201917-11-15
19181918-01-201918-12-12
19191919-02-011919-11-22
19201920-01-111920-10-31
19211921-02-281921-12-06
19221922-01-031922-10-14
19241924-02-241924-08-27
19251925-05-071925-12-31
19261926-01-211926-12-05
19271927-03-301927-12-11
19281928-02-101928-11-13
19491949-01-091949-12-10
19501950-02-121950-10-04

Every Fixed Threshold

Fixed thresholds at Sacramento
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain132519219
25 mm (0.98 in): Days with 25 mm or more rain13619191
50 mm (1.97 in): Days with 50 mm or more rain5219201
10 cm (3.9 in): Days with 10 cm or more snowfall8519295
25 cm (9.8 in): Days with 25 cm or more snowfall4119171
50 cm (19.7 in): Days with 50 cm or more snowfall1119201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Sacramento 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 (2025-12-31).