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

Claremont Threshold Days by Year (CA006151545)

5 fixed thresholds counted per year at Claremont (CA006151545): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Claremont Thresholds

  • Claremont: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1967 with 5.
  • Claremont: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1983 with 36.
  • Claremont: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1977 with 9.
  • Claremont: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1971 with 2.
  • 5 fixed thresholds have at least one qualifying day at Claremont.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Claremont Days per year at Claremont with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1983. 0102030401964: 251968: 221969: 211970: 271971: 231972: 261973: 271974: 221975: 271976: 291977: 331978: 301979: 291980: 341981: 311982: 321983: 36196419691971197319751977197919811983
Days per year at Claremont with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Claremont
YearDaysDecade average
19642522.7
19682222.7
19692122.7
19702727.3
19712327.3
19722627.3
19732727.3
19742227.3
19752727.3
19762927.3
19773327.3
19783027.3
19792927.3
19803433.3
19813133.3
19823233.3
19833633.3
First to last qualifying date each year at Claremont For each year, a bar from the first to the last day at Claremont meeting 10 mm (0.39 in). 1964: 1 January 1964 to 21 October 19641968: 14 January 1968 to 27 December 19681969: 6 January 1969 to 10 December 19691970: 25 January 1970 to 27 November 19701971: 29 January 1971 to 30 December 19711972: 20 January 1972 to 30 December 19721973: 11 March 1973 to 25 December 19731974: 20 January 1974 to 2 December 19741975: 25 January 1975 to 14 December 19751976: 11 January 1976 to 6 December 19761977: 9 January 1977 to 8 December 19771978: 1 January 1978 to 31 December 19781979: 13 January 1979 to 24 December 19791980: 11 January 1980 to 12 December 19801981: 6 January 1981 to 31 December 19811982: 31 January 1982 to 24 December 19821983: 6 January 1983 to 6 December 1983196419701973197619791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Claremont meeting 10 mm (0.39 in).
First to last qualifying date each year at Claremont
YearFirst dateLast date
19641964-01-011964-10-21
19681968-01-141968-12-27
19691969-01-061969-12-10
19701970-01-251970-11-27
19711971-01-291971-12-30
19721972-01-201972-12-30
19731973-03-111973-12-25
19741974-01-201974-12-02
19751975-01-251975-12-14
19761976-01-111976-12-06
19771977-01-091977-12-08
19781978-01-011978-12-31
19791979-01-131979-12-24
19801980-01-111980-12-12
19811981-01-061981-12-31
19821982-01-311982-12-24
19831983-01-061983-12-06

Every Fixed Threshold

Fixed thresholds at Claremont
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1736198336
25 mm (0.98 in): Days with 25 mm or more rain16919775
50 mm (1.97 in): Days with 50 mm or more rain3219711
10 cm (3.9 in): Days with 10 cm or more snowfall19519671
25 cm (9.8 in): Days with 25 cm or more snowfall2119651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Claremont 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).