Boughton Threshold Days by Year (USC00030848)

5 fixed thresholds counted per year at Boughton (USC00030848): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boughton Thresholds

Boughton: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1957 with 55.
Boughton: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1973 with 30.
Boughton: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1974 with 9.
Boughton: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1957 with 4.
5 fixed thresholds have at least one qualifying day at Boughton.

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

44 years with a qualifying day

Days per year at Boughton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Boughton
Year	Days	Decade average
1936	23	37
1937	45	37
1939	43	37
1940	46	41.8
1941	44	41.8
1942	34	41.8
1943	27	41.8
1944	50	41.8
1945	45	41.8
1946	54	41.8
1947	46	41.8
1948	34	41.8
1949	38	41.8
1950	46	38
1951	49	38
1952	32	38
1953	37	38
1954	30	38
1955	34	38
1956	23	38
1957	55	38
1958	37	38
1959	37	38
1960	39	38.8
1961	45	38.8
1962	44	38.8
1963	28	38.8
1964	30	38.8
1965	34	38.8
1966	36	38.8
1968	55	38.8
1969	38	38.8
1970	40	42.7
1971	33	42.7
1972	43	42.7
1973	55	42.7
1974	45	42.7
1975	43	42.7
1976	40	42.7
1977	42	42.7
1978	39	42.7
1979	47	42.7
1980	33	35
1981	37	35

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

First to last qualifying date each year at Boughton
Year	First date	Last date
1936	1936-01-19	1936-12-27
1937	1937-01-02	1937-12-28
1939	1939-01-05	1939-12-23
1940	1940-01-07	1940-12-27
1941	1941-01-15	1941-12-23
1942	1942-01-01	1942-12-27
1943	1943-01-07	1943-12-28
1944	1944-01-02	1944-12-31
1945	1945-01-19	1945-12-18
1946	1946-01-03	1946-12-29
1947	1947-01-02	1947-12-16
1948	1948-01-01	1948-12-29
1949	1949-01-16	1949-12-26
1950	1950-01-01	1950-11-16
1951	1951-01-02	1951-12-20
1952	1952-01-03	1952-12-31
1953	1953-01-16	1953-12-28
1954	1954-01-10	1954-12-29
1955	1955-01-09	1955-12-01
1956	1956-01-18	1956-11-20
1957	1957-01-04	1957-12-07
1958	1958-01-13	1958-11-28
1959	1959-01-08	1959-12-27
1960	1960-01-05	1960-12-29
1961	1961-01-01	1961-12-31
1962	1962-01-04	1962-12-29
1963	1963-01-05	1963-12-23
1964	1964-01-31	1964-12-11
1965	1965-01-03	1965-12-15
1966	1966-01-02	1966-12-28
1968	1968-01-03	1968-12-22
1969	1969-01-29	1969-12-30
1970	1970-01-06	1970-12-31
1971	1971-01-04	1971-12-15
1972	1972-01-01	1972-12-30
1973	1973-01-07	1973-12-24
1974	1974-01-03	1974-12-25
1975	1975-01-03	1975-12-29
1976	1976-01-02	1976-12-25
1977	1977-01-09	1977-12-30
1978	1978-01-12	1978-12-31
1979	1979-01-01	1979-12-24
1980	1980-01-16	1980-12-09
1981	1981-01-07	1981-11-30

Every Fixed Threshold

Fixed thresholds at Boughton
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	44	55	1957	37
25 mm (0.98 in): Days with 25 mm or more rain	44	30	1973	10
50 mm (1.97 in): Days with 50 mm or more rain	42	9	1974	3
100 mm (3.94 in): Days with 100 mm or more rain	13	4	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	2	1948	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Boughton 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).

Boughton Threshold Days by Year (USC00030848)

Key Facts for Boughton Thresholds

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

Every Fixed Threshold

Download the Data

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