Dunsmuir Threshold Days by Year (USC00042572)

14 fixed thresholds counted per year at Dunsmuir (USC00042572): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dunsmuir Thresholds

Dunsmuir: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1941 with 62.
Dunsmuir: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1941 with 39.
Dunsmuir: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1940 with 15.
Dunsmuir: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1940 with 5.
14 fixed thresholds have at least one qualifying day at Dunsmuir.

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

43 years with a qualifying day

Days per year at Dunsmuir with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1941.

Days with 10 mm (0.39 in) or more of precipitation per year at Dunsmuir
Year	Days	Decade average
1907	46	44.7
1908	33	44.7
1909	55	44.7
1910	38	42.6
1911	43	42.6
1912	46	42.6
1913	37	42.6
1914	49	42.6
1939	22	22
1940	55	42.4
1941	62	42.4
1944	40	42.4
1946	26	42.4
1947	33	42.4
1948	52	42.4
1949	29	42.4
1950	50	42.6
1951	49	42.6
1952	50	42.6
1953	40	42.6
1955	32	42.6
1956	29	42.6
1957	48	42.6
1958	57	42.6
1959	28	42.6
1960	46	40.6
1961	46	40.6
1962	40	40.6
1963	42	40.6
1964	31	40.6
1965	34	40.6
1966	40	40.6
1967	42	40.6
1968	41	40.6
1969	44	40.6
1970	56	41
1971	35	41
1972	47	41
1973	60	41
1974	43	41
1975	35	41
1976	18	41
1977	34	41

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

First to last qualifying date each year at Dunsmuir
Year	First date	Last date
1907	1907-01-03	1907-12-31
1908	1908-01-01	1908-12-24
1909	1909-01-01	1909-12-31
1910	1910-01-14	1910-12-11
1911	1911-01-11	1911-12-31
1912	1912-01-10	1912-12-31
1913	1913-01-04	1913-12-31
1914	1914-01-01	1914-12-17
1939	1939-01-03	1939-12-30
1940	1940-01-02	1940-12-27
1941	1941-01-06	1941-12-29
1944	1944-01-02	1944-12-28
1946	1946-01-02	1946-12-06
1947	1947-01-28	1947-12-21
1948	1948-01-01	1948-12-29
1949	1949-01-01	1949-12-19
1950	1950-01-08	1950-12-15
1951	1951-01-03	1951-12-30
1952	1952-01-06	1952-12-30
1953	1953-01-07	1953-12-20
1955	1955-01-16	1955-12-26
1956	1956-01-01	1956-10-30
1957	1957-01-12	1957-12-28
1958	1958-01-10	1958-12-27
1959	1959-01-05	1959-12-24
1960	1960-01-08	1960-12-19
1961	1961-01-09	1961-12-21
1962	1962-01-19	1962-12-17
1963	1963-01-30	1963-11-24
1964	1964-01-18	1964-12-27
1965	1965-01-03	1965-12-31
1966	1966-01-03	1966-12-14
1967	1967-01-20	1967-12-18
1968	1968-01-09	1968-12-28
1969	1969-01-11	1969-12-25
1970	1970-01-08	1970-12-31
1971	1971-01-13	1971-12-25
1972	1972-01-19	1972-12-24
1973	1973-01-09	1973-12-29
1974	1974-01-12	1974-12-28
1975	1975-01-06	1975-12-22
1976	1976-01-09	1976-12-30
1977	1977-01-02	1977-12-29

Every Fixed Threshold

Fixed thresholds at Dunsmuir
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	88	1915	88
35 C (95 F): Days	1	25	1915	25
40 C (104 F): Days	1	2	1915	2
90 F (32.2 C): Days	1	65	1915	65
100 F (37.8 C): Days	1	7	1915	7
0 C (32 F): Frost days (min	1	42	1915	42
20 C (68 F): Tropical nights (min	1	2	1915	2
10 mm (0.39 in): Days with 10 mm or more rain	43	62	1941	34
25 mm (0.98 in): Days with 25 mm or more rain	43	39	1941	16
50 mm (1.97 in): Days with 50 mm or more rain	42	15	1940	3
100 mm (3.94 in): Days with 100 mm or more rain	22	5	1940	2
10 cm (3.9 in): Days with 10 cm or more snowfall	12	24	1952	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	7	1952	3
50 cm (19.7 in): Days with 50 cm or more snowfall	5	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Dunsmuir 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).

Dunsmuir Threshold Days by Year (USC00042572)

Key Facts for Dunsmuir Thresholds

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

Every Fixed Threshold

Download the Data

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