Chesterfield Threshold Days by Year (USC00191436)

7 fixed thresholds counted per year at Chesterfield (USC00191436): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chesterfield Thresholds

Chesterfield: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1972 with 54.
Chesterfield: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1996 with 21.
Chesterfield: days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1938 with 8.
Chesterfield: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1961 with 15.
7 fixed thresholds have at least one qualifying day at Chesterfield.

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

75 years with a qualifying day

Days per year at Chesterfield with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1972.

Days with 10 mm (0.39 in) or more of precipitation per year at Chesterfield
Year	Days	Decade average
1926	34	42.5
1927	49	42.5
1928	42	42.5
1929	45	42.5
1930	37	42.8
1931	46	42.8
1932	43	42.8
1933	45	42.8
1934	45	42.8
1935	32	42.8
1936	43	42.8
1937	53	42.8
1938	43	42.8
1939	41	42.8
1940	34	37.6
1941	28	37.6
1942	47	37.6
1943	35	37.6
1944	40	37.6
1945	53	37.6
1946	35	37.6
1947	38	37.6
1948	34	37.6
1949	32	37.6
1950	40	43.3
1951	52	43.3
1952	39	43.3
1953	52	43.3
1954	45	43.3
1955	43	43.3
1956	44	43.3
1957	31	43.3
1958	43	43.3
1959	44	43.3
1960	40	36
1961	40	36
1962	35	36
1963	38	36
1964	33	36
1965	26	36
1966	33	36
1967	41	36
1969	38	36
1970	36	43
1971	42	43
1972	54	43
1973	44	43
1974	41	43
1975	53	43
1976	34	43
1977	50	43
1978	32	43
1979	44	43
1980	32	39.1
1981	35	39.1
1982	36	39.1
1983	54	39.1
1984	46	39.1
1985	32	39.1
1986	45	39.1
1987	37	39.1
1988	35	39.1
1989	39	39.1
1990	47	42.7
1991	41	42.7
1992	45	42.7
1994	43	42.7
1995	33	42.7
1996	54	42.7
1997	37	42.7
1998	41	42.7
1999	43	42.7
2000	45	38.7
2001	33	38.7
2002	38	38.7

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

First to last qualifying date each year at Chesterfield
Year	First date	Last date
1926	1926-01-19	1926-12-28
1927	1927-01-15	1927-12-31
1928	1928-01-16	1928-12-17
1929	1929-01-01	1929-12-24
1930	1930-02-04	1930-12-26
1931	1931-01-05	1931-12-24
1932	1932-01-01	1932-12-27
1933	1933-01-09	1933-12-27
1934	1934-01-08	1934-12-31
1935	1935-01-01	1935-12-15
1936	1936-01-02	1936-12-20
1937	1937-01-01	1937-12-31
1938	1938-01-01	1938-12-26
1939	1939-01-05	1939-12-20
1940	1940-01-14	1940-12-28
1941	1941-01-16	1941-12-24
1942	1942-01-01	1942-12-30
1943	1943-01-18	1943-12-26
1944	1944-01-05	1944-12-27
1945	1945-01-01	1945-12-25
1946	1946-01-09	1946-12-27
1947	1947-01-01	1947-12-26
1948	1948-01-24	1948-12-31
1949	1949-01-01	1949-12-13
1950	1950-01-07	1950-12-30
1951	1951-01-08	1951-12-26
1952	1952-01-18	1952-12-12
1953	1953-01-03	1953-12-15
1954	1954-01-10	1954-12-29
1955	1955-02-07	1955-12-05
1956	1956-01-09	1956-12-25
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	1962-12-22
1963	1963-01-12	1963-12-24
1964	1964-01-02	1964-12-28
1965	1965-01-24	1965-12-26
1966	1966-01-03	1966-12-29
1967	1967-01-28	1967-12-29
1969	1969-01-07	1969-12-27
1970	1970-02-03	1970-12-24
1971	1971-01-02	1971-12-31
1972	1972-01-03	1972-12-31
1973	1973-01-01	1973-12-28
1974	1974-01-11	1974-12-17
1975	1975-01-07	1975-12-31
1976	1976-01-12	1976-12-08
1977	1977-01-10	1977-12-19
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-26
1980	1980-01-12	1980-12-16
1981	1981-02-02	1981-12-28
1982	1982-01-02	1982-12-17
1983	1983-01-06	1983-12-29
1984	1984-01-11	1984-12-22
1985	1985-02-13	1985-12-14
1986	1986-01-04	1986-12-25
1987	1987-01-03	1987-12-16
1988	1988-01-09	1988-12-29
1989	1989-02-22	1989-12-16
1990	1990-01-01	1990-12-31
1991	1991-01-12	1991-12-30
1992	1992-01-05	1992-12-31
1994	1994-01-04	1994-12-25
1995	1995-01-01	1995-12-15
1996	1996-01-03	1996-12-25
1997	1997-01-17	1997-12-30
1998	1998-01-05	1998-12-30
1999	1999-01-04	1999-12-21
2000	2000-01-05	2000-12-31
2001	2001-01-31	2001-12-18
2002	2002-01-07	2002-12-26

Every Fixed Threshold

Fixed thresholds at Chesterfield
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	75	54	1972	38
25 mm (0.98 in): Days with 25 mm or more rain	75	21	1996	11
50 mm (1.97 in): Days with 50 mm or more rain	61	8	1938	2
100 mm (3.94 in): Days with 100 mm or more rain	11	2	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	52	15	1961	8
25 cm (9.8 in): Days with 25 cm or more snowfall	30	3	1947	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1997	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Chesterfield 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).

Chesterfield Threshold Days by Year (USC00191436)

Key Facts for Chesterfield Thresholds

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

Every Fixed Threshold

Download the Data

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