Philadelphia Polisie Threshold Days by Year (SF000211300)

3 fixed thresholds counted per year at Philadelphia Polisie (SF000211300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Philadelphia Polisie Thresholds

Philadelphia Polisie: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1975 with 25.
Philadelphia Polisie: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1920 with 9.
Philadelphia Polisie: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1954 with 1.
3 fixed thresholds have at least one qualifying day at Philadelphia Polisie.

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

67 years with a qualifying day

Days per year at Philadelphia Polisie with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1975.

Days with 10 mm (0.39 in) or more of precipitation per year at Philadelphia Polisie
Year	Days	Decade average
1918	19	16.5
1919	14	16.5
1920	19	10.6
1921	10	10.6
1922	14	10.6
1923	21	10.6
1924	8	10.6
1925	9	10.6
1926	1	10.6
1927	3	10.6
1930	1	6.8
1932	3	6.8
1933	3	6.8
1934	5	6.8
1935	2	6.8
1936	10	6.8
1937	11	6.8
1938	13	6.8
1939	13	6.8
1940	8	11.9
1941	14	11.9
1942	9	11.9
1943	10	11.9
1944	13	11.9
1945	15	11.9
1946	12	11.9
1947	9	11.9
1948	13	11.9
1949	16	11.9
1950	14	15.7
1951	10	15.7
1952	18	15.7
1953	16	15.7
1954	23	15.7
1955	15	15.7
1956	13	15.7
1957	22	15.7
1958	11	15.7
1959	15	15.7
1960	7	11.9
1961	7	11.9
1962	18	11.9
1963	8	11.9
1964	13	11.9
1965	14	11.9
1966	11	11.9
1968	20	11.9
1969	9	11.9
1970	14	14.3
1971	5	14.3
1972	14	14.3
1973	8	14.3
1974	20	14.3
1975	25	14.3
1976	16	14.3
1977	21	14.3
1978	10	14.3
1979	10	14.3
1980	11	13.9
1981	16	13.9
1982	12	13.9
1983	14	13.9
1984	19	13.9
1985	20	13.9
1986	9	13.9
1987	17	13.9
1988	7	13.9

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

First to last qualifying date each year at Philadelphia Polisie
Year	First date	Last date
1918	1918-03-14	1918-11-17
1919	1919-01-13	1919-10-02
1920	1920-04-10	1920-12-18
1921	1921-02-02	1921-09-04
1922	1922-01-10	1922-08-20
1923	1923-04-06	1923-11-14
1924	1924-07-09	1924-11-12
1925	1925-06-01	1925-07-23
1926	1926-05-22	1926-05-22
1927	1927-05-09	1927-08-24
1930	1930-07-06	1930-07-06
1932	1932-02-11	1932-07-05
1933	1933-06-04	1933-07-21
1934	1934-05-16	1934-09-22
1935	1935-04-27	1935-05-23
1936	1936-01-03	1936-09-09
1937	1937-03-27	1937-08-08
1938	1938-01-12	1938-12-30
1939	1939-02-16	1939-09-09
1940	1940-02-07	1940-06-16
1941	1941-01-31	1941-12-21
1942	1942-05-26	1942-09-16
1943	1943-01-21	1943-10-09
1944	1944-01-28	1944-10-04
1945	1945-04-26	1945-08-11
1946	1946-04-04	1946-12-22
1947	1947-01-14	1947-08-31
1948	1948-05-31	1948-10-12
1949	1949-04-02	1949-11-02
1950	1950-04-11	1950-11-24
1951	1951-04-16	1951-11-25
1952	1952-04-02	1952-11-17
1953	1953-04-08	1953-08-25
1954	1954-04-09	1954-09-01
1955	1955-02-18	1955-11-30
1956	1956-05-16	1956-10-25
1957	1957-02-21	1957-10-03
1958	1958-02-18	1958-10-03
1959	1959-04-03	1959-10-30
1960	1960-03-26	1960-12-19
1961	1961-06-08	1961-09-06
1962	1962-02-17	1962-10-17
1963	1963-06-22	1963-08-24
1964	1964-05-10	1964-08-31
1965	1965-02-17	1965-09-21
1966	1966-03-22	1966-10-10
1968	1968-04-29	1968-10-17
1969	1969-01-08	1969-10-08
1970	1970-02-22	1970-10-07
1971	1971-05-18	1971-07-15
1972	1972-01-09	1972-10-22
1973	1973-05-28	1973-12-04
1974	1974-02-27	1974-11-23
1975	1975-01-31	1975-11-17
1976	1976-03-06	1976-12-30
1977	1977-02-19	1977-08-19
1978	1978-03-30	1978-12-30
1979	1979-05-02	1979-10-21
1980	1980-02-15	1980-12-20
1981	1981-01-25	1981-12-19
1982	1982-01-19	1982-08-31
1983	1983-01-03	1983-10-01
1984	1984-03-10	1984-12-03
1985	1985-03-01	1985-09-24
1986	1986-01-14	1986-08-29
1987	1987-04-19	1987-09-22
1988	1988-03-07	1988-08-30

Every Fixed Threshold

Fixed thresholds at Philadelphia Polisie
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	67	25	1975	7
25 mm (0.98 in): Days with 25 mm or more rain	41	9	1920	4
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Philadelphia Polisie 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).

Philadelphia Polisie Threshold Days by Year (SF000211300)

Key Facts for Philadelphia Polisie Thresholds

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

Every Fixed Threshold

Download the Data

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