Petford Threshold Days by Year (ASN00031051)

4 fixed thresholds counted per year at Petford (ASN00031051): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petford Thresholds

Petford: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1981 with 49.
Petford: days with 25 mm (0.98 in) or more of precipitation in 91 years, most in 1974 with 24.
Petford: days with 50 mm (1.97 in) or more of precipitation in 87 years, most in 1977 with 10.
Petford: days with 100 mm (3.94 in) or more of precipitation in 27 years, most in 1922 with 3.
4 fixed thresholds have at least one qualifying day at Petford.

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

91 years with a qualifying day

Days per year at Petford with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1981.

Days with 10 mm (0.39 in) or more of precipitation per year at Petford
Year	Days	Decade average
1921	36	23.6
1922	19	23.6
1923	18	23.6
1924	26	23.6
1925	25	23.6
1926	17	23.6
1927	29	23.6
1928	13	23.6
1929	29	23.6
1930	27	24.5
1931	17	24.5
1932	23	24.5
1933	32	24.5
1934	30	24.5
1935	8	24.5
1936	28	24.5
1937	26	24.5
1938	26	24.5
1939	28	24.5
1940	24	22.9
1941	31	22.9
1942	21	22.9
1943	23	22.9
1944	21	22.9
1945	24	22.9
1946	20	22.9
1947	23	22.9
1948	10	22.9
1949	32	22.9
1950	32	32.7
1955	24	32.7
1956	42	32.7
1962	26	23.8
1963	22	23.8
1964	31	23.8
1969	16	23.8
1970	27	28.9
1971	27	28.9
1972	28	28.9
1973	34	28.9
1974	48	28.9
1975	26	28.9
1976	23	28.9
1977	31	28.9
1978	18	28.9
1979	27	28.9
1980	23	26
1981	49	26
1982	19	26
1983	16	26
1984	23	26
1985	28	26
1986	22	26
1987	22	26
1988	24	26
1989	34	26
1990	19	21.8
1991	29	21.8
1992	16	21.8
1993	10	21.8
1994	11	21.8
1995	24	21.8
1996	22	21.8
1997	24	21.8
1998	30	21.8
1999	33	21.8
2000	34	25
2001	22	25
2002	13	25
2003	21	25
2004	22	25
2005	17	25
2006	26	25
2007	32	25
2008	38	25
2010	47	25.2
2011	34	25.2
2012	22	25.2
2013	28	25.2
2014	13	25.2
2015	24	25.2
2016	15	25.2
2017	27	25.2
2018	20	25.2
2019	22	25.2
2020	29	34.7
2021	39	34.7
2022	32	34.7
2023	36	34.7
2024	33	34.7
2025	39	34.7

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

First to last qualifying date each year at Petford
Year	First date	Last date
1921	1921-01-03	1921-12-31
1922	1922-01-01	1922-12-24
1923	1923-01-03	1923-12-29
1924	1924-01-16	1924-12-19
1925	1925-01-21	1925-12-31
1926	1926-01-02	1926-12-29
1927	1927-01-03	1927-12-19
1928	1928-01-10	1928-12-28
1929	1929-01-04	1929-12-30
1930	1930-01-01	1930-12-27
1931	1931-01-15	1931-12-08
1932	1932-01-18	1932-12-28
1933	1933-01-03	1933-12-31
1934	1934-01-01	1934-11-20
1935	1935-01-02	1935-05-25
1936	1936-01-07	1936-12-30
1937	1937-01-03	1937-12-29
1938	1938-01-05	1938-11-30
1939	1939-01-04	1939-12-27
1940	1940-01-10	1940-11-25
1941	1941-01-05	1941-12-31
1942	1942-01-30	1942-12-30
1943	1943-01-01	1943-12-28
1944	1944-01-07	1944-12-24
1945	1945-01-05	1945-10-18
1946	1946-01-08	1946-12-31
1947	1947-01-01	1947-12-27
1948	1948-01-02	1948-12-31
1949	1949-01-02	1949-12-22
1950	1950-01-29	1950-12-29
1955	1955-01-08	1955-12-18
1956	1956-01-11	1956-12-19
1962	1962-01-02	1962-12-28
1963	1963-01-12	1963-12-16
1964	1964-01-01	1964-12-08
1969	1969-01-04	1969-12-31
1970	1970-01-15	1970-12-27
1971	1971-01-16	1971-12-25
1972	1972-01-05	1972-12-18
1973	1973-01-06	1973-12-27
1974	1974-01-02	1974-12-30
1975	1975-01-02	1975-12-21
1976	1976-01-16	1976-12-30
1977	1977-01-18	1977-12-23
1978	1978-01-05	1978-12-23
1979	1979-01-03	1979-11-23
1980	1980-01-05	1980-12-21
1981	1981-01-01	1981-12-27
1982	1982-01-16	1982-12-16
1983	1983-02-22	1983-12-09
1984	1984-01-04	1984-12-18
1985	1985-01-04	1985-12-29
1986	1986-01-03	1986-12-05
1987	1987-01-05	1987-12-30
1988	1988-01-02	1988-12-31
1989	1989-01-03	1989-12-17
1990	1990-01-13	1990-12-31
1991	1991-01-01	1991-12-10
1992	1992-01-08	1992-12-29
1993	1993-02-01	1993-12-28
1994	1994-01-08	1994-12-28
1995	1995-01-21	1995-12-26
1996	1996-01-02	1996-12-31
1997	1997-01-07	1997-12-30
1998	1998-01-04	1998-12-30
1999	1999-01-11	1999-12-26
2000	2000-01-07	2000-12-30
2001	2001-01-03	2001-12-16
2002	2002-01-05	2002-12-11
2003	2003-01-02	2003-12-29
2004	2004-01-05	2004-12-30
2005	2005-01-10	2005-12-02
2006	2006-01-09	2006-12-08
2007	2007-01-08	2007-12-28
2008	2008-01-05	2008-12-31
2010	2010-01-01	2010-12-27
2011	2011-01-01	2011-12-30
2012	2012-01-16	2012-12-26
2013	2013-01-16	2013-12-15
2014	2014-01-05	2014-12-14
2015	2015-01-01	2015-12-30
2016	2016-01-25	2016-12-28
2017	2017-01-02	2017-12-04
2018	2018-01-05	2018-12-17
2019	2019-01-09	2019-12-28
2020	2020-01-16	2020-12-31
2021	2021-01-01	2021-12-30
2022	2022-01-03	2022-12-30
2023	2023-01-02	2023-12-25
2024	2024-01-01	2024-12-30
2025	2025-01-04	2025-12-31

Every Fixed Threshold

Fixed thresholds at Petford
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	91	49	1981	39
25 mm (0.98 in): Days with 25 mm or more rain	91	24	1974	16
50 mm (1.97 in): Days with 50 mm or more rain	87	10	1977	4
100 mm (3.94 in): Days with 100 mm or more rain	27	3	1922	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

Data for Petford 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).

Petford Threshold Days by Year (ASN00031051)

Key Facts for Petford Thresholds

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

Every Fixed Threshold

Download the Data

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