Clifton Post Office Threshold Days by Year

4 fixed thresholds counted per year at Clifton Post Office (ASN00041018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clifton Post Office Thresholds

Clifton Post Office: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 1950 with 35.
Clifton Post Office: days with 25 mm (0.98 in) or more of precipitation in 109 years, most in 1920 with 11.
Clifton Post Office: days with 50 mm (1.97 in) or more of precipitation in 74 years, most in 1897 with 3.
Clifton Post Office: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1956 with 2.
4 fixed thresholds have at least one qualifying day at Clifton Post Office.

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

112 years with a qualifying day

Days per year at Clifton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Clifton Post Office
Year	Days	Decade average
1897	15	17.7
1898	16	17.7
1899	22	17.7
1901	27	22.1
1903	26	22.1
1904	18	22.1
1905	24	22.1
1906	25	22.1
1907	20	22.1
1908	20	22.1
1909	17	22.1
1910	25	18.2
1911	14	18.2
1912	26	18.2
1913	15	18.2
1914	21	18.2
1915	11	18.2
1916	21	18.2
1917	25	18.2
1918	13	18.2
1919	11	18.2
1920	30	21.3
1921	23	21.3
1922	19	21.3
1923	15	21.3
1924	26	21.3
1925	17	21.3
1926	15	21.3
1927	24	21.3
1928	23	21.3
1929	21	21.3
1930	21	23.1
1931	26	23.1
1932	21	23.1
1933	29	23.1
1934	25	23.1
1935	19	23.1
1936	17	23.1
1937	21	23.1
1938	25	23.1
1939	27	23.1
1940	28	22.2
1941	18	22.2
1942	25	22.2
1943	22	22.2
1944	18	22.2
1945	23	22.2
1946	21	22.2
1947	24	22.2
1948	18	22.2
1949	25	22.2
1950	35	23.8
1951	19	23.8
1952	23	23.8
1953	18	23.8
1954	29	23.8
1955	22	23.8
1956	25	23.8
1957	15	23.8
1958	27	23.8
1959	25	23.8
1960	20	23.4
1961	29	23.4
1962	30	23.4
1963	23	23.4
1964	27	23.4
1965	18	23.4
1966	26	23.4
1967	20	23.4
1968	27	23.4
1969	14	23.4
1970	24	22.3
1971	19	22.3
1972	23	22.3
1973	25	22.3
1974	17	22.3
1975	26	22.3
1976	20	22.3
1977	15	22.3
1978	33	22.3
1979	21	22.3
1980	11	17.6
1981	18	17.6
1982	18	17.6
1983	21	17.6
1985	18	17.6
1986	19	17.6
1987	21	17.6
1988	15	17.6
1990	14	14.9
1991	12	14.9
1992	15	14.9
1993	10	14.9
1994	9	14.9
1997	17	14.9
1998	21	14.9
1999	21	14.9
2000	9	13.8
2001	15	13.8
2002	15	13.8
2003	15	13.8
2004	17	13.8
2005	15	13.8
2006	7	13.8
2007	17	13.8
2008	14	13.8
2013	14	12
2015	17	12
2019	5	12
2020	18	16.7
2025	23	16.7
2026	9	16.7

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

First to last qualifying date each year at Clifton Post Office
Year	First date	Last date
1897	1897-01-10	1897-12-12
1898	1898-01-02	1898-12-20
1899	1899-01-12	1899-12-28
1901	1901-01-15	1901-12-06
1903	1903-01-13	1903-12-06
1904	1904-01-20	1904-12-05
1905	1905-01-15	1905-12-28
1906	1906-01-01	1906-12-24
1907	1907-01-04	1907-12-18
1908	1908-01-11	1908-12-12
1909	1909-02-17	1909-12-29
1910	1910-01-09	1910-12-19
1911	1911-01-09	1911-12-31
1912	1912-01-06	1912-12-21
1913	1913-01-01	1913-11-02
1914	1914-01-13	1914-12-30
1915	1915-01-02	1915-12-17
1916	1916-01-17	1916-12-14
1917	1917-01-14	1917-12-13
1918	1918-01-02	1918-12-15
1919	1919-01-15	1919-11-30
1920	1920-01-05	1920-12-30
1921	1921-01-07	1921-12-31
1922	1922-01-01	1922-12-26
1923	1923-01-26	1923-12-27
1924	1924-01-07	1924-12-31
1925	1925-01-02	1925-12-10
1926	1926-01-06	1926-12-28
1927	1927-01-23	1927-12-21
1928	1928-01-25	1928-12-24
1929	1929-01-12	1929-12-31
1930	1930-01-13	1930-12-18
1931	1931-01-10	1931-12-12
1932	1932-01-06	1932-12-21
1933	1933-01-15	1933-12-22
1934	1934-01-04	1934-12-30
1935	1935-01-06	1935-12-15
1936	1936-01-10	1936-12-16
1937	1937-01-02	1937-12-30
1938	1938-01-04	1938-12-22
1939	1939-01-01	1939-12-27
1940	1940-01-08	1940-12-20
1941	1941-01-14	1941-12-30
1942	1942-01-13	1942-12-31
1943	1943-01-14	1943-12-31
1944	1944-01-08	1944-12-22
1945	1945-01-01	1945-12-19
1946	1946-01-06	1946-12-13
1947	1947-01-24	1947-12-25
1948	1948-01-03	1948-12-31
1949	1949-01-04	1949-12-17
1950	1950-01-18	1950-11-26
1951	1951-01-08	1951-12-20
1952	1952-01-09	1952-12-03
1953	1953-01-08	1953-12-25
1954	1954-01-03	1954-12-18
1955	1955-01-08	1955-12-31
1956	1956-01-22	1956-12-22
1957	1957-01-06	1957-11-04
1958	1958-01-01	1958-12-28
1959	1959-01-03	1959-12-21
1960	1960-01-06	1960-12-13
1961	1961-01-04	1961-12-20
1962	1962-01-05	1962-12-31
1963	1963-01-04	1963-12-31
1964	1964-01-02	1964-12-27
1965	1965-01-11	1965-12-15
1966	1966-01-23	1966-12-31
1967	1967-01-06	1967-11-26
1968	1968-01-04	1968-12-22
1969	1969-01-02	1969-12-24
1970	1970-01-02	1970-12-30
1971	1971-01-19	1971-12-28
1972	1972-01-14	1972-12-29
1973	1973-01-13	1973-12-07
1974	1974-01-26	1974-12-30
1975	1975-01-08	1975-12-24
1976	1976-01-03	1976-12-25
1977	1977-01-17	1977-11-21
1978	1978-01-05	1978-12-28
1979	1979-01-18	1979-12-04
1980	1980-01-13	1980-12-31
1981	1981-02-04	1981-12-25
1982	1982-01-06	1982-12-30
1983	1983-01-10	1983-12-28
1985	1985-01-09	1985-12-17
1986	1986-01-06	1986-12-12
1987	1987-01-08	1987-12-11
1988	1988-01-05	1988-12-03
1990	1990-01-16	1990-12-04
1991	1991-01-18	1991-12-31
1992	1992-01-01	1992-12-10
1993	1993-01-07	1993-12-23
1994	1994-01-15	1994-11-17
1997	1997-02-12	1997-12-15
1998	1998-01-26	1998-12-16
1999	1999-02-09	1999-12-12
2000	2000-01-05	2000-12-29
2001	2001-02-01	2001-12-31
2002	2002-02-03	2002-12-11
2003	2003-02-12	2003-12-05
2004	2004-01-05	2004-12-11
2005	2005-01-18	2005-12-09
2006	2006-01-05	2006-12-17
2007	2007-01-27	2007-12-27
2008	2008-02-07	2008-11-30
2013	2013-01-28	2013-12-17
2015	2015-01-15	2015-12-29
2019	2019-03-15	2019-12-27
2020	2020-01-17	2020-12-21
2025	2025-01-08	2025-12-23
2026	2026-02-13	2026-08-26

Every Fixed Threshold

Fixed thresholds at Clifton 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	112	35	1950	9
25 mm (0.98 in): Days with 25 mm or more rain	109	11	1920	1
50 mm (1.97 in): Days with 50 mm or more rain	74	3	1897	1
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1956	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

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Data for Clifton 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Clifton Post Office Threshold Days by Year

Key Facts for Clifton Post Office Thresholds

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

Every Fixed Threshold

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