Northampton Threshold Days by Year (ASN00008100)

4 fixed thresholds counted per year at Northampton (ASN00008100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Northampton Thresholds

Northampton: days with 10 mm (0.39 in) or more of precipitation in 110 years, most in 1963 with 27.
Northampton: days with 25 mm (0.98 in) or more of precipitation in 103 years, most in 2024 with 7.
Northampton: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1945 with 3.
Northampton: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1951 with 1.
4 fixed thresholds have at least one qualifying day at Northampton.

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

110 years with a qualifying day

Days per year at Northampton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Northampton
Year	Days	Decade average
1907	17	17
1908	11	17
1909	23	17
1910	23	15
1911	11	15
1912	10	15
1913	14	15
1914	5	15
1915	22	15
1916	14	15
1917	20	15
1918	15	15
1919	16	15
1920	16	16.2
1921	17	16.2
1922	8	16.2
1923	19	16.2
1924	15	16.2
1925	18	16.2
1926	20	16.2
1927	20	16.2
1928	14	16.2
1929	15	16.2
1930	16	15.4
1931	16	15.4
1932	12	15.4
1933	17	15.4
1934	20	15.4
1935	13	15.4
1936	12	15.4
1937	14	15.4
1938	11	15.4
1939	23	15.4
1940	12	13.4
1941	12	13.4
1942	10	13.4
1943	16	13.4
1944	13	13.4
1945	17	13.4
1946	19	13.4
1947	14	13.4
1948	8	13.4
1949	13	13.4
1950	17	16.5
1951	20	16.5
1952	13	16.5
1953	18	16.5
1954	12	16.5
1955	20	16.5
1956	16	16.5
1957	11	16.5
1958	25	16.5
1959	13	16.5
1960	14	15.4
1961	15	15.4
1962	18	15.4
1963	27	15.4
1964	15	15.4
1965	14	15.4
1966	12	15.4
1967	17	15.4
1968	19	15.4
1969	3	15.4
1970	15	10.7
1971	9	10.7
1972	11	10.7
1973	14	10.7
1974	16	10.7
1975	13	10.7
1976	3	10.7
1977	6	10.7
1979	9	10.7
1980	11	10
1984	6	10
1985	11	10
1989	12	10
1993	10	15.4
1994	13	15.4
1995	14	15.4
1996	20	15.4
1997	19	15.4
1998	14	15.4
1999	18	15.4
2000	11	12.5
2001	15	12.5
2002	16	12.5
2003	13	12.5
2004	12	12.5
2005	16	12.5
2006	4	12.5
2007	11	12.5
2008	15	12.5
2009	12	12.5
2010	8	10.9
2011	16	10.9
2012	8	10.9
2013	14	10.9
2014	10	10.9
2015	11	10.9
2016	10	10.9
2017	10	10.9
2018	14	10.9
2019	8	10.9
2020	11	13.7
2021	17	13.7
2022	16	13.7
2023	5	13.7
2024	19	13.7
2025	18	13.7
2026	10	13.7

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

First to last qualifying date each year at Northampton
Year	First date	Last date
1907	1907-03-15	1907-10-05
1908	1908-05-04	1908-11-09
1909	1909-01-05	1909-10-23
1910	1910-02-09	1910-09-09
1911	1911-04-26	1911-09-12
1912	1912-05-08	1912-10-26
1913	1913-06-21	1913-10-03
1914	1914-06-25	1914-12-07
1915	1915-02-21	1915-10-09
1916	1916-01-20	1916-10-05
1917	1917-03-18	1917-12-03
1918	1918-02-25	1918-10-28
1919	1919-04-17	1919-12-10
1920	1920-03-12	1920-09-12
1921	1921-02-19	1921-12-31
1922	1922-04-17	1922-09-25
1923	1923-04-23	1923-09-17
1924	1924-05-12	1924-10-26
1925	1925-05-17	1925-12-26
1926	1926-02-05	1926-11-19
1927	1927-03-14	1927-12-26
1928	1928-01-30	1928-10-22
1929	1929-05-10	1929-11-14
1930	1930-05-09	1930-10-18
1931	1931-05-03	1931-10-06
1932	1932-03-28	1932-10-22
1933	1933-05-22	1933-10-06
1934	1934-03-08	1934-08-23
1935	1935-01-06	1935-09-03
1936	1936-04-19	1936-11-22
1937	1937-04-18	1937-09-16
1938	1938-03-15	1938-11-02
1939	1939-02-13	1939-11-10
1940	1940-05-14	1940-10-12
1941	1941-04-22	1941-09-20
1942	1942-04-15	1942-07-07
1943	1943-01-31	1943-12-08
1944	1944-04-30	1944-08-28
1945	1945-05-15	1945-09-22
1946	1946-01-02	1946-11-12
1947	1947-05-03	1947-10-25
1948	1948-04-30	1948-08-28
1949	1949-02-16	1949-10-08
1950	1950-05-09	1950-10-10
1951	1951-04-14	1951-10-01
1952	1952-05-01	1952-09-04
1953	1953-03-23	1953-11-16
1954	1954-01-05	1954-10-29
1955	1955-02-15	1955-10-28
1956	1956-03-04	1956-07-29
1957	1957-06-02	1957-08-23
1958	1958-01-22	1958-10-09
1959	1959-05-28	1959-12-19
1960	1960-03-27	1960-09-11
1961	1961-04-14	1961-08-31
1962	1962-01-30	1962-10-01
1963	1963-01-29	1963-08-26
1964	1964-04-09	1964-10-09
1965	1965-05-01	1965-11-24
1966	1966-04-04	1966-09-14
1967	1967-01-30	1967-10-04
1968	1968-01-27	1968-10-05
1969	1969-06-13	1969-11-03
1970	1970-02-17	1970-10-05
1971	1971-05-31	1971-11-11
1972	1972-05-31	1972-09-11
1973	1973-05-11	1973-12-10
1974	1974-01-02	1974-10-21
1975	1975-02-28	1975-10-27
1976	1976-05-31	1976-06-29
1977	1977-05-10	1977-08-15
1979	1979-03-14	1979-08-20
1980	1980-04-21	1980-09-22
1984	1984-02-21	1984-07-04
1985	1985-03-08	1985-09-23
1989	1989-02-27	1989-08-18
1993	1993-02-06	1993-11-13
1994	1994-02-26	1994-09-11
1995	1995-03-29	1995-11-16
1996	1996-04-19	1996-11-06
1997	1997-02-02	1997-11-13
1998	1998-05-11	1998-12-14
1999	1999-04-15	1999-10-08
2000	2000-03-10	2000-09-06
2001	2001-04-24	2001-10-06
2002	2002-01-29	2002-09-15
2003	2003-04-11	2003-11-17
2004	2004-04-25	2004-08-12
2005	2005-04-01	2005-09-21
2006	2006-02-27	2006-07-25
2007	2007-05-27	2007-12-11
2008	2008-02-21	2008-09-18
2009	2009-05-22	2009-11-20
2010	2010-05-23	2010-12-19
2011	2011-02-19	2011-10-04
2012	2012-04-29	2012-11-28
2013	2013-01-14	2013-12-10
2014	2014-04-27	2014-09-22
2015	2015-03-02	2015-11-06
2016	2016-01-18	2016-08-27
2017	2017-01-29	2017-09-25
2018	2018-01-15	2018-12-17
2019	2019-06-07	2019-08-30
2020	2020-02-22	2020-11-02
2021	2021-02-06	2021-10-19
2022	2022-03-29	2022-10-29
2023	2023-06-01	2023-09-14
2024	2024-02-25	2024-11-19
2025	2025-05-30	2025-09-06
2026	2026-02-10	2026-08-23

Every Fixed Threshold

Fixed thresholds at Northampton
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	110	27	1963	10
25 mm (0.98 in): Days with 25 mm or more rain	103	7	2024	2
50 mm (1.97 in): Days with 50 mm or more rain	31	3	1945	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Northampton 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Northampton Threshold Days by Year (ASN00008100)

Key Facts for Northampton Thresholds

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

Every Fixed Threshold

Download the Data

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