Bradford Threshold Days by Year (USC00270910)

7 fixed thresholds counted per year at Bradford (USC00270910): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bradford Thresholds

Bradford: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1945 with 51.
Bradford: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1977 with 21.
Bradford: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1987 with 5.
Bradford: days with 10 cm (3.9 in) or more of snowfall in 47 years, most in 1971 with 19.
7 fixed thresholds have at least one qualifying day at Bradford.

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

56 years with a qualifying day

Days per year at Bradford with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1945.

Days with 10 mm (0.39 in) or more of precipitation per year at Bradford
Year	Days	Decade average
1939	29	29
1940	38	35.1
1941	24	35.1
1942	37	35.1
1943	34	35.1
1944	35	35.1
1945	51	35.1
1946	41	35.1
1947	36	35.1
1948	28	35.1
1949	27	35.1
1950	33	40
1951	50	40
1952	32	40
1953	49	40
1954	45	40
1955	35	40
1956	40	40
1957	32	40
1958	39	40
1959	45	40
1960	42	32.8
1961	29	32.8
1962	35	32.8
1963	25	32.8
1964	30	32.8
1965	24	32.8
1966	30	32.8
1967	35	32.8
1968	38	32.8
1969	40	32.8
1970	31	37.9
1971	35	37.9
1972	41	37.9
1973	45	37.9
1974	33	37.9
1975	41	37.9
1976	33	37.9
1977	47	37.9
1978	26	37.9
1979	47	37.9
1980	31	39
1981	43	39
1982	32	39
1983	51	39
1984	42	39
1985	30	39
1986	46	39
1987	37	39
1988	34	39
1989	44	39
1990	42	40.2
1991	42	40.2
1992	42	40.2
1993	34	40.2
1997	41	40.2

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

First to last qualifying date each year at Bradford
Year	First date	Last date
1939	1939-01-04	1939-12-21
1940	1940-01-13	1940-12-29
1941	1941-01-04	1941-12-25
1942	1942-01-02	1942-12-31
1943	1943-01-04	1943-11-23
1944	1944-01-07	1944-12-28
1945	1945-01-01	1945-12-26
1946	1946-01-10	1946-12-30
1947	1947-01-02	1947-12-27
1948	1948-01-03	1948-12-31
1949	1949-01-01	1949-11-30
1950	1950-01-07	1950-12-30
1951	1951-01-08	1951-12-31
1952	1952-01-06	1952-12-24
1953	1953-01-04	1953-12-15
1954	1954-01-27	1954-12-30
1955	1955-02-07	1955-12-05
1956	1956-01-09	1956-12-23
1957	1957-01-23	1957-12-27
1958	1958-01-01	1958-12-06
1959	1959-01-02	1959-12-29
1960	1960-01-03	1960-12-22
1961	1961-01-02	1961-12-29
1962	1962-01-07	1962-12-30
1963	1963-01-12	1963-12-09
1964	1964-01-02	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	1968-01-15	1968-12-29
1969	1969-01-07	1969-12-27
1970	1970-02-04	1970-12-24
1971	1971-01-27	1971-12-31
1972	1972-01-03	1972-12-31
1973	1973-01-01	1973-12-28
1974	1974-01-01	1974-12-17
1975	1975-01-10	1975-12-31
1976	1976-01-12	1976-12-08
1977	1977-01-08	1977-12-22
1978	1978-02-07	1978-12-25
1979	1979-01-03	1979-12-26
1980	1980-01-12	1980-11-29
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
1986	1986-01-04	1986-12-25
1987	1987-01-03	1987-12-21
1988	1988-01-10	1988-12-25
1989	1989-01-15	1989-12-16
1990	1990-01-01	1990-12-24
1991	1991-01-12	1991-12-30
1992	1992-01-05	1992-12-31
1993	1993-01-14	1993-12-22
1997	1997-01-10	1997-12-30

Every Fixed Threshold

Fixed thresholds at Bradford
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	56	51	1945	41
25 mm (0.98 in): Days with 25 mm or more rain	56	21	1977	12
50 mm (1.97 in): Days with 50 mm or more rain	47	5	1987	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	47	19	1971	13
25 cm (9.8 in): Days with 25 cm or more snowfall	31	4	1958	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	2	1969	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Bradford 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).

Bradford Threshold Days by Year (USC00270910)

Key Facts for Bradford Thresholds

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

Every Fixed Threshold

Download the Data

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