French Gulch Threshold Days by Year (USC00043242)

6 fixed thresholds counted per year at French Gulch (USC00043242): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for French Gulch Thresholds

French Gulch: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1973 with 44.
French Gulch: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1978 with 20.
French Gulch: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1978 with 9.
French Gulch: days with 10 cm (3.9 in) or more of snowfall in 11 years, most in 1968 with 4.
6 fixed thresholds have at least one qualifying day at French Gulch.

Days with 10 mm (0.39 in) or more of precipitation

29 years with a qualifying day

Days per year at French Gulch with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at French Gulch
Year	Days	Decade average
1952	41	32.5
1953	32	32.5
1954	35	32.5
1955	24	32.5
1956	22	32.5
1957	42	32.5
1958	42	32.5
1959	22	32.5
1960	33	29.7
1961	22	29.7
1962	27	29.7
1963	33	29.7
1964	32	29.7
1965	29	29.7
1966	22	29.7
1967	28	29.7
1968	31	29.7
1969	40	29.7
1970	40	32.4
1971	25	32.4
1972	33	32.4
1973	44	32.4
1974	34	32.4
1975	28	32.4
1976	17	32.4
1977	28	32.4
1978	36	32.4
1979	39	32.4
1980	21	21

For each year, a bar from the first to the last day at French Gulch meeting 10 mm (0.39 in).

First to last qualifying date each year at French Gulch
Year	First date	Last date
1952	1952-01-06	1952-12-30
1953	1953-01-02	1953-12-19
1954	1954-01-07	1954-12-31
1955	1955-01-18	1955-12-26
1956	1956-01-01	1956-10-30
1957	1957-01-12	1957-12-28
1958	1958-01-02	1958-12-27
1959	1959-01-05	1959-12-24
1960	1960-01-11	1960-12-18
1961	1961-01-23	1961-12-20
1962	1962-01-19	1962-12-17
1963	1963-01-30	1963-12-29
1964	1964-01-14	1964-12-28
1965	1965-01-03	1965-12-28
1966	1966-01-04	1966-12-14
1967	1967-01-20	1967-12-18
1968	1968-01-10	1968-12-28
1969	1969-01-11	1969-12-24
1970	1970-01-09	1970-12-29
1971	1971-01-10	1971-12-27
1972	1972-01-21	1972-12-19
1973	1973-01-09	1973-12-29
1974	1974-01-12	1974-12-28
1975	1975-01-06	1975-12-05
1976	1976-01-09	1976-12-30
1977	1977-01-02	1977-12-29
1978	1978-01-02	1978-12-05
1979	1979-01-08	1979-12-31
1980	1980-01-10	1980-12-28

Every Fixed Threshold

Fixed thresholds at French Gulch
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	29	44	1973	21
25 mm (0.98 in): Days with 25 mm or more rain	29	20	1978	10
50 mm (1.97 in): Days with 50 mm or more rain	27	9	1978	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	11	4	1968	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for French Gulch 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

French Gulch Threshold Days by Year (USC00043242)

Key Facts for French Gulch Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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