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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Calaveras Rs Threshold Days by Year

12 fixed thresholds counted per year at Calaveras Rs (USC00041280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Calaveras Rs Thresholds

  • Calaveras Rs: days with 10 mm (0.39 in) or more of precipitation in 8 years, most in 1978 with 44.
  • Calaveras Rs: days with 25 mm (0.98 in) or more of precipitation in 8 years, most in 1950 with 26.
  • Calaveras Rs: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1982 with 13.
  • Calaveras Rs: days with 10 cm (3.9 in) or more of snowfall in 5 years, most in 1982 with 9.
  • 12 fixed thresholds have at least one qualifying day at Calaveras Rs.
8 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Calaveras Rs Days per year at Calaveras Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1978. 02040601918: 351948: 251949: 231950: 421976: 161977: 201978: 441982: 4019181948194919501976197719781982
Days per year at Calaveras Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Calaveras Rs
YearDaysDecade average
19183535
19482524
19492324
19504242
19761626.7
19772026.7
19784426.7
19824040
First to last qualifying date each year at Calaveras Rs For each year, a bar from the first to the last day at Calaveras Rs meeting 10 mm (0.39 in). 1918: 12 January 1918 to 20 December 19181948: 5 January 1948 to 17 December 19481949: 1 January 1949 to 18 December 19491950: 2 January 1950 to 30 December 19501976: 10 January 1976 to 15 November 19761977: 2 January 1977 to 27 December 19771978: 4 January 1978 to 19 December 19781982: 4 January 1982 to 23 December 198219181948194919501976197719781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Calaveras Rs meeting 10 mm (0.39 in).
First to last qualifying date each year at Calaveras Rs
YearFirst dateLast date
19181918-01-121918-12-20
19481948-01-051948-12-17
19491949-01-011949-12-18
19501950-01-021950-12-30
19761976-01-101976-11-15
19771977-01-021977-12-27
19781978-01-041978-12-19
19821982-01-041982-12-23

Every Fixed Threshold

Fixed thresholds at Calaveras Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days248191848
35 C (95 F): Days2619186
90 F (32.2 C): Days226191826
0 C (32 F): Frost days (min21121918112
-10 C (14 F): Days with min1419164
10 mm (0.39 in): Days with 10 mm or more rain844197840
25 mm (0.98 in): Days with 25 mm or more rain826195023
50 mm (1.97 in): Days with 50 mm or more rain813198213
100 mm (3.94 in): Days with 100 mm or more rain2419824
200 mm (7.87 in): Days with 200 mm or more rain2119501
10 cm (3.9 in): Days with 10 cm or more snowfall5919829
25 cm (9.8 in): Days with 25 cm or more snowfall2519825

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Calaveras Rs 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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