Foster (Post Office) Threshold Days by Year (ASN00085029)

4 fixed thresholds counted per year at Foster (Post Office) (ASN00085029): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Foster (Post Office) Thresholds

Foster (Post Office): days with 10 mm (0.39 in) or more of precipitation in 98 years, most in 1952 with 55.
Foster (Post Office): days with 25 mm (0.98 in) or more of precipitation in 97 years, most in 1916 with 19.
Foster (Post Office): days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1900 with 5.
Foster (Post Office): days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1885 with 1.
4 fixed thresholds have at least one qualifying day at Foster (Post Office).

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

98 years with a qualifying day

Days per year at Foster (Post Office) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1952.

Days with 10 mm (0.39 in) or more of precipitation per year at Foster (Post Office)
Year	Days	Decade average
1885	41	46.4
1886	50	46.4
1887	51	46.4
1888	47	46.4
1889	43	46.4
1890	39	33.8
1891	36	33.8
1892	35	33.8
1893	40	33.8
1894	35	33.8
1895	27	33.8
1896	25	33.8
1897	35	33.8
1898	26	33.8
1899	40	33.8
1900	51	43
1901	49	43
1902	38	43
1903	44	43
1904	41	43
1905	45	43
1906	46	43
1907	38	43
1908	27	43
1909	51	43
1910	38	39.2
1911	36	39.2
1912	31	39.2
1913	32	39.2
1914	32	39.2
1915	38	39.2
1916	50	39.2
1917	45	39.2
1918	48	39.2
1919	42	39.2
1920	36	36
1921	39	36
1922	38	36
1923	53	36
1924	41	36
1925	23	36
1926	30	36
1927	28	36
1928	38	36
1929	34	36
1930	29	34.5
1931	33	34.5
1932	37	34.5
1933	33	34.5
1934	35	34.5
1935	47	34.5
1936	36	34.5
1937	30	34.5
1938	26	34.5
1939	39	34.5
1940	29	34.9
1941	36	34.9
1942	29	34.9
1943	35	34.9
1944	31	34.9
1945	23	34.9
1946	50	34.9
1947	52	34.9
1948	38	34.9
1949	26	34.9
1950	25	33.4
1951	34	33.4
1952	55	33.4
1953	38	33.4
1954	31	33.4
1957	26	33.4
1958	34	33.4
1959	24	33.4
1960	36	28.6
1961	24	28.6
1962	28	28.6
1963	31	28.6
1964	40	28.6
1965	22	28.6
1966	32	28.6
1967	15	28.6
1969	29	28.6
1999	19	19
2000	25	26
2001	30	26
2002	24	26
2003	30	26
2004	26	26
2005	20	26
2007	27	26
2010	35	29.8
2012	26	29.8
2014	30	29.8
2015	18	29.8
2019	40	29.8
2022	37	20.7
2024	23	20.7
2025	2	20.7

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

First to last qualifying date each year at Foster (Post Office)
Year	First date	Last date
1885	1885-01-07	1885-12-20
1886	1886-01-07	1886-12-19
1887	1887-01-15	1887-12-24
1888	1888-01-05	1888-12-30
1889	1889-01-02	1889-12-21
1890	1890-02-12	1890-11-29
1891	1891-01-05	1891-12-17
1892	1892-01-14	1892-12-15
1893	1893-01-06	1893-12-29
1894	1894-01-06	1894-12-29
1895	1895-01-05	1895-12-11
1896	1896-01-14	1896-12-28
1897	1897-01-05	1897-11-02
1898	1898-02-12	1898-12-09
1899	1899-01-02	1899-12-02
1900	1900-01-19	1900-12-27
1901	1901-01-03	1901-12-23
1902	1902-01-01	1902-12-26
1903	1903-01-06	1903-12-29
1904	1904-01-02	1904-12-27
1905	1905-01-03	1905-12-11
1906	1906-03-01	1906-12-24
1907	1907-03-16	1907-12-30
1908	1908-01-10	1908-11-28
1909	1909-01-04	1909-12-16
1910	1910-01-15	1910-12-27
1911	1911-01-06	1911-12-26
1912	1912-02-08	1912-12-11
1913	1913-01-02	1913-11-24
1914	1914-01-12	1914-12-26
1915	1915-01-07	1915-11-29
1916	1916-01-18	1916-12-13
1917	1917-02-21	1917-12-31
1918	1918-01-13	1918-12-14
1919	1919-01-07	1919-12-28
1920	1920-03-01	1920-12-18
1921	1921-01-02	1921-12-08
1922	1922-01-09	1922-12-28
1923	1923-01-05	1923-12-26
1924	1924-01-07	1924-12-27
1925	1925-01-13	1925-11-20
1926	1926-01-07	1926-12-22
1927	1927-01-06	1927-12-19
1928	1928-01-24	1928-12-24
1929	1929-01-30	1929-12-16
1930	1930-02-21	1930-12-27
1931	1931-01-19	1931-11-20
1932	1932-02-13	1932-12-07
1933	1933-01-30	1933-12-16
1934	1934-01-06	1934-12-02
1935	1935-01-05	1935-12-21
1936	1936-01-04	1936-12-15
1937	1937-01-02	1937-12-27
1938	1938-01-07	1938-12-13
1939	1939-02-03	1939-12-05
1940	1940-01-22	1940-12-28
1941	1941-01-02	1941-12-20
1942	1942-01-20	1942-12-19
1943	1943-01-16	1943-11-18
1944	1944-01-24	1944-12-27
1945	1945-01-31	1945-11-20
1946	1946-01-17	1946-12-30
1947	1947-01-07	1947-12-26
1948	1948-01-06	1948-12-28
1949	1949-01-01	1949-11-29
1950	1950-01-09	1950-12-30
1951	1951-02-14	1951-12-20
1952	1952-02-01	1952-12-27
1953	1953-01-06	1953-12-10
1954	1954-01-30	1954-12-04
1957	1957-01-19	1957-12-26
1958	1958-01-30	1958-12-13
1959	1959-01-26	1959-12-26
1960	1960-01-07	1960-11-18
1961	1961-02-09	1961-10-25
1962	1962-01-20	1962-12-04
1963	1963-01-14	1963-12-16
1964	1964-02-07	1964-12-29
1965	1965-01-19	1965-12-08
1966	1966-01-13	1966-12-20
1967	1967-01-13	1967-12-31
1969	1969-01-15	1969-12-02
1999	1999-01-08	1999-12-17
2000	2000-01-04	2000-12-23
2001	2001-01-27	2001-12-11
2002	2002-01-22	2002-12-06
2003	2003-01-31	2003-12-19
2004	2004-01-08	2004-12-09
2005	2005-01-05	2005-12-07
2007	2007-02-28	2007-12-22
2010	2010-01-18	2010-12-09
2012	2012-01-09	2012-12-05
2014	2014-01-02	2014-12-08
2015	2015-01-08	2015-09-15
2019	2019-01-31	2019-12-03
2022	2022-01-05	2022-12-14
2024	2024-01-08	2024-12-03
2025	2025-01-07	2025-02-10

Every Fixed Threshold

Fixed thresholds at Foster (Post Office)
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	98	55	1952	2
25 mm (0.98 in): Days with 25 mm or more rain	97	19	1916	8
50 mm (1.97 in): Days with 50 mm or more rain	45	5	1900	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1885	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

Download the Data

Data for Foster (Post Office) 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).

Foster (Post Office) Threshold Days by Year (ASN00085029)

Key Facts for Foster (Post Office) Thresholds

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

Every Fixed Threshold

Download the Data

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