Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Frost Valley Threshold Days by Year (USC00303076)

7 fixed thresholds counted per year at Frost Valley (USC00303076): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frost Valley Thresholds

  • Frost Valley: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1975 with 61.
  • Frost Valley: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1977 with 22.
  • Frost Valley: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1952 with 7.
  • Frost Valley: days with 10 cm (3.9 in) or more of snowfall in 21 years, most in 1977 with 16.
  • 7 fixed thresholds have at least one qualifying day at Frost Valley.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Frost Valley Days per year at Frost Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1975. 0204060801949: 431950: 441951: 501952: 531953: 511954: 451955: 481956: 481957: 381958: 451959: 481960: 401961: 381962: 381963: 401964: 401965: 311966: 361967: 451968: 401969: 391970: 391971: 431972: 561973: 531974: 501975: 611976: 521977: 481978: 441979: 551980: 2919491953195719611965196919731977
Days per year at Frost Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Frost Valley
YearDaysDecade average
19494343
19504447
19515047
19525347
19535147
19544547
19554847
19564847
19573847
19584547
19594847
19604038.7
19613838.7
19623838.7
19634038.7
19644038.7
19653138.7
19663638.7
19674538.7
19684038.7
19693938.7
19703950.1
19714350.1
19725650.1
19735350.1
19745050.1
19756150.1
19765250.1
19774850.1
19784450.1
19795550.1
19802929
First to last qualifying date each year at Frost Valley For each year, a bar from the first to the last day at Frost Valley meeting 10 mm (0.39 in). 1949: 1 January 1949 to 27 December 19491950: 6 January 1950 to 30 December 19501951: 4 January 1951 to 26 December 19511952: 5 January 1952 to 22 December 19521953: 9 January 1953 to 14 December 19531954: 6 January 1954 to 30 December 19541955: 2 January 1955 to 17 November 19551956: 3 January 1956 to 23 December 19561957: 10 February 1957 to 27 December 19571958: 1 January 1958 to 6 December 19581959: 2 January 1959 to 29 December 19591960: 3 January 1960 to 21 December 19601961: 4 February 1961 to 21 December 19611962: 7 January 1962 to 30 December 19621963: 12 January 1963 to 24 December 19631964: 2 January 1964 to 28 December 19641965: 3 January 1965 to 26 December 19651966: 3 January 1966 to 29 December 19661967: 8 January 1967 to 29 December 19671968: 15 January 1968 to 29 December 19681969: 24 January 1969 to 26 December 19691970: 3 February 1970 to 24 December 19701971: 5 January 1971 to 31 December 19711972: 3 January 1972 to 31 December 19721973: 1 January 1973 to 27 December 19731974: 11 January 1974 to 25 December 19741975: 7 January 1975 to 31 December 19751976: 3 January 1976 to 8 December 19761977: 25 February 1977 to 25 December 19771978: 2 January 1978 to 25 December 19781979: 1 January 1979 to 25 December 19791980: 12 January 1980 to 16 December 198019491953195719611965196919731977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Frost Valley meeting 10 mm (0.39 in).
First to last qualifying date each year at Frost Valley
YearFirst dateLast date
19491949-01-011949-12-27
19501950-01-061950-12-30
19511951-01-041951-12-26
19521952-01-051952-12-22
19531953-01-091953-12-14
19541954-01-061954-12-30
19551955-01-021955-11-17
19561956-01-031956-12-23
19571957-02-101957-12-27
19581958-01-011958-12-06
19591959-01-021959-12-29
19601960-01-031960-12-21
19611961-02-041961-12-21
19621962-01-071962-12-30
19631963-01-121963-12-24
19641964-01-021964-12-28
19651965-01-031965-12-26
19661966-01-031966-12-29
19671967-01-081967-12-29
19681968-01-151968-12-29
19691969-01-241969-12-26
19701970-02-031970-12-24
19711971-01-051971-12-31
19721972-01-031972-12-31
19731973-01-011973-12-27
19741974-01-111974-12-25
19751975-01-071975-12-31
19761976-01-031976-12-08
19771977-02-251977-12-25
19781978-01-021978-12-25
19791979-01-011979-12-25
19801980-01-121980-12-16

Every Fixed Threshold

Fixed thresholds at Frost Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3261197529
25 mm (0.98 in): Days with 25 mm or more rain3222197712
50 mm (1.97 in): Days with 50 mm or more rain29719525
100 mm (3.94 in): Days with 100 mm or more rain2219521
10 cm (3.9 in): Days with 10 cm or more snowfall211619776
25 cm (9.8 in): Days with 25 cm or more snowfall16419712
50 cm (19.7 in): Days with 50 cm or more snowfall3119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Frost Valley 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).