York Haven Threshold Days by Year (USC00369950)

15 fixed thresholds counted per year at York Haven (USC00369950): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for York Haven Thresholds

York Haven: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 2011 with 54.
York Haven: days with 25 mm (0.98 in) or more of precipitation in 90 years, most in 2003 with 18.
York Haven: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1927 with 4.
York Haven: days with 10 cm (3.9 in) or more of snowfall in 60 years, most in 1929 with 6.
15 fixed thresholds have at least one qualifying day at York Haven.

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

90 years with a qualifying day

Days per year at York Haven with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 2011.

Days with 10 mm (0.39 in) or more of precipitation per year at York Haven
Year	Days	Decade average
1922	30	32.3
1923	28	32.3
1925	33	32.3
1926	34	32.3
1927	31	32.3
1928	33	32.3
1929	37	32.3
1931	16	31.4
1932	36	31.4
1933	40	31.4
1935	29	31.4
1936	36	31.4
1937	31	31.4
1938	31	31.4
1939	32	31.4
1940	32	34.5
1942	42	34.5
1943	31	34.5
1944	39	34.5
1946	34	34.5
1947	30	34.5
1948	37	34.5
1949	31	34.5
1950	35	33.8
1951	43	33.8
1952	41	33.8
1953	39	33.8
1954	29	33.8
1955	28	33.8
1956	30	33.8
1957	30	33.8
1958	35	33.8
1959	28	33.8
1960	38	30
1961	33	30
1962	33	30
1963	27	30
1964	27	30
1965	20	30
1966	29	30
1967	35	30
1968	28	30
1969	30	30
1970	38	35.2
1971	34	35.2
1972	33	35.2
1973	32	35.2
1974	33	35.2
1975	41	35.2
1976	34	35.2
1977	35	35.2
1978	38	35.2
1979	34	35.2
1980	30	31.3
1981	26	31.3
1982	33	31.3
1983	39	31.3
1984	26	31.3
1985	28	31.3
1986	38	31.3
1987	28	31.3
1988	33	31.3
1989	32	31.3
1990	39	35.3
1991	28	35.3
1992	29	35.3
1993	36	35.3
1995	34	35.3
1996	43	35.3
1997	30	35.3
1998	41	35.3
1999	38	35.3
2000	35	38.3
2001	24	38.3
2002	41	38.3
2003	44	38.3
2004	41	38.3
2005	35	38.3
2006	38	38.3
2007	40	38.3
2008	43	38.3
2009	42	38.3
2010	36	36
2011	54	36
2012	33	36
2013	28	36
2014	30	36
2015	36	36
2016	36	36
2017	35	36

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

First to last qualifying date each year at York Haven
Year	First date	Last date
1922	1922-01-11	1922-12-27
1923	1923-01-01	1923-12-27
1925	1925-01-02	1925-11-13
1926	1926-01-09	1926-12-26
1927	1927-01-21	1927-12-05
1928	1928-01-20	1928-12-15
1929	1929-01-10	1929-12-03
1931	1931-01-06	1931-12-10
1932	1932-01-02	1932-12-28
1933	1933-01-26	1933-11-06
1935	1935-01-17	1935-12-14
1936	1936-01-03	1936-12-17
1937	1937-01-15	1937-12-18
1938	1938-01-07	1938-12-27
1939	1939-01-14	1939-12-20
1940	1940-01-15	1940-12-28
1942	1942-01-04	1942-12-30
1943	1943-01-27	1943-12-27
1944	1944-01-04	1944-12-28
1946	1946-02-20	1946-12-30
1947	1947-01-02	1947-12-16
1948	1948-01-02	1948-12-31
1949	1949-01-06	1949-12-27
1950	1950-02-01	1950-12-11
1951	1951-01-15	1951-12-21
1952	1952-01-18	1952-12-11
1953	1953-01-01	1953-12-14
1954	1954-01-11	1954-12-30
1955	1955-02-07	1955-11-11
1956	1956-02-03	1956-12-15
1957	1957-01-10	1957-12-27
1958	1958-01-15	1958-11-29
1959	1959-01-02	1959-12-13
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-25
1962	1962-01-07	1962-12-30
1963	1963-01-12	1963-12-24
1964	1964-01-02	1964-12-28
1965	1965-01-08	1965-12-13
1966	1966-01-03	1966-12-29
1967	1967-01-28	1967-12-29
1968	1968-01-01	1968-12-29
1969	1969-01-07	1969-12-31
1970	1970-02-10	1970-12-24
1971	1971-01-01	1971-12-07
1972	1972-01-02	1972-12-31
1973	1973-01-04	1973-12-27
1974	1974-01-04	1974-12-17
1975	1975-01-01	1975-12-26
1976	1976-01-01	1976-12-07
1977	1977-01-07	1977-12-21
1978	1978-01-09	1978-12-25
1979	1979-01-02	1979-12-14
1980	1980-03-14	1980-11-25
1981	1981-02-02	1981-12-16
1982	1982-01-04	1982-12-16
1983	1983-01-11	1983-12-29
1984	1984-02-15	1984-12-22
1985	1985-02-02	1985-12-14
1986	1986-01-20	1986-12-25
1987	1987-01-02	1987-11-30
1988	1988-01-20	1988-12-24
1989	1989-01-08	1989-11-17
1990	1990-01-01	1990-12-28
1991	1991-01-12	1991-12-29
1992	1992-01-24	1992-12-11
1993	1993-01-05	1993-12-21
1995	1995-01-01	1995-12-20
1996	1996-01-03	1996-12-14
1997	1997-01-16	1997-12-25
1998	1998-01-08	1998-11-26
1999	1999-01-03	1999-12-15
2000	2000-01-11	2000-12-17
2001	2001-01-20	2001-12-18
2002	2002-01-07	2002-12-26
2003	2003-01-02	2003-12-15
2004	2004-01-05	2004-12-24
2005	2005-01-06	2005-12-26
2006	2006-01-03	2006-12-26
2007	2007-01-01	2007-12-31
2008	2008-02-02	2008-12-24
2009	2009-01-06	2009-12-27
2010	2010-01-18	2010-12-12
2011	2011-01-18	2011-12-28
2012	2012-01-12	2012-12-27
2013	2013-01-16	2013-12-30
2014	2014-01-03	2014-12-25
2015	2015-01-04	2015-12-29
2016	2016-01-10	2016-12-12
2017	2017-01-04	2017-11-19

Every Fixed Threshold

Fixed thresholds at York Haven
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	27	1947	27
90 F (32.2 C): Days	1	10	1947	10
0 C (32 F): Ice days (max	1	12	1947	12
0 C (32 F): Frost days (min	1	92	1947	92
-10 C (14 F): Days with min	1	4	1947	4
20 C (68 F): Tropical nights (min	1	59	1947	59
25 C (77 F): Days with min	1	2	1947	2
10 mm (0.39 in): Days with 10 mm or more rain	90	54	2011	35
25 mm (0.98 in): Days with 25 mm or more rain	90	18	2003	11
50 mm (1.97 in): Days with 50 mm or more rain	63	4	1927	1
100 mm (3.94 in): Days with 100 mm or more rain	9	2	2010	1
200 mm (7.87 in): Days with 200 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	6	1929	2
25 cm (9.8 in): Days with 25 cm or more snowfall	15	2	1958	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2010	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

Data for York Haven 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).

York Haven Threshold Days by Year (USC00369950)

Key Facts for York Haven Thresholds

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

Every Fixed Threshold

Download the Data

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