West Rumney Threshold Days by Year (USC00279474)

7 fixed thresholds counted per year at West Rumney (USC00279474): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Rumney Thresholds

West Rumney: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1973 with 51.
West Rumney: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1981 with 17.
West Rumney: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1958 with 17.
West Rumney: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1952 with 3.
7 fixed thresholds have at least one qualifying day at West Rumney.

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

41 years with a qualifying day

Days per year at West Rumney with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at West Rumney
Year	Days	Decade average
1944	42	35.2
1945	33	35.2
1946	36	35.2
1947	34	35.2
1948	33	35.2
1949	33	35.2
1950	36	38.4
1951	48	38.4
1952	33	38.4
1953	41	38.4
1954	41	38.4
1955	33	38.4
1956	36	38.4
1957	40	38.4
1958	38	38.4
1960	38	34.3
1961	35	34.3
1962	35	34.3
1963	27	34.3
1964	28	34.3
1965	29	34.3
1966	31	34.3
1967	38	34.3
1968	43	34.3
1969	39	34.3
1970	34	39.5
1971	28	39.5
1972	41	39.5
1973	51	39.5
1974	40	39.5
1975	39	39.5
1976	35	39.5
1977	43	39.5
1978	33	39.5
1979	51	39.5
1980	30	38.8
1981	46	38.8
1982	33	38.8
1983	51	38.8
1984	43	38.8
1985	30	38.8

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

First to last qualifying date each year at West Rumney
Year	First date	Last date
1944	1944-01-06	1944-12-28
1945	1945-01-01	1945-12-26
1946	1946-01-19	1946-12-30
1947	1947-01-02	1947-12-24
1948	1948-01-25	1948-12-31
1949	1949-01-01	1949-12-27
1950	1950-01-07	1950-12-30
1951	1951-01-08	1951-12-29
1952	1952-01-06	1952-12-24
1953	1953-01-04	1953-12-15
1954	1954-01-27	1954-12-19
1955	1955-01-03	1955-12-05
1956	1956-01-09	1956-12-23
1957	1957-01-23	1957-12-27
1958	1958-01-01	1958-12-06
1960	1960-01-03	1960-12-22
1961	1961-01-02	1961-12-29
1962	1962-01-07	1962-12-30
1963	1963-01-14	1963-12-09
1964	1964-01-10	1964-12-28
1965	1965-01-25	1965-12-26
1966	1966-01-09	1966-12-29
1967	1967-01-28	1967-12-29
1968	1968-01-24	1968-12-29
1969	1969-01-07	1969-12-28
1970	1970-02-04	1970-12-25
1971	1971-01-27	1971-12-31
1972	1972-01-03	1972-12-31
1973	1973-01-01	1973-12-27
1974	1974-01-22	1974-12-17
1975	1975-01-10	1975-12-31
1976	1976-01-14	1976-12-08
1977	1977-01-08	1977-12-22
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-26
1980	1980-01-12	1980-12-03
1981	1981-02-02	1981-12-28
1982	1982-01-02	1982-12-17
1983	1983-01-11	1983-12-29
1984	1984-01-11	1984-12-22
1985	1985-01-02	1985-12-14

Every Fixed Threshold

Fixed thresholds at West Rumney
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	41	51	1973	30
25 mm (0.98 in): Days with 25 mm or more rain	41	17	1981	8
50 mm (1.97 in): Days with 50 mm or more rain	26	3	1952	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1962	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	17	1958	4
25 cm (9.8 in): Days with 25 cm or more snowfall	23	4	1969	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for West Rumney 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).

West Rumney Threshold Days by Year (USC00279474)

Key Facts for West Rumney Thresholds

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

Every Fixed Threshold

Download the Data

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