Chadds Ford 2 NE Threshold Days by Year (USC00361342)

5 fixed thresholds counted per year at Chadds Ford 2 NE (USC00361342): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chadds Ford 2 NE Thresholds

Chadds Ford 2 NE: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1979 with 50.
Chadds Ford 2 NE: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1993 with 21.
Chadds Ford 2 NE: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1979 with 6.
Chadds Ford 2 NE: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1946 with 1.
5 fixed thresholds have at least one qualifying day at Chadds Ford 2 NE.

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

42 years with a qualifying day

Days per year at Chadds Ford 2 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1979.

Days with 10 mm (0.39 in) or more of precipitation per year at Chadds Ford 2 NE
Year	Days	Decade average
1946	30	38.8
1947	40	38.8
1948	44	38.8
1949	41	38.8
1950	40	35.9
1951	38	35.9
1952	44	35.9
1953	45	35.9
1954	29	35.9
1955	26	35.9
1956	30	35.9
1958	35	35.9
1960	41	32.7
1961	34	32.7
1962	33	32.7
1963	32	32.7
1964	34	32.7
1965	27	32.7
1966	36	32.7
1967	27	32.7
1968	30	32.7
1969	33	32.7
1970	35	40.5
1971	32	40.5
1972	48	40.5
1975	46	40.5
1976	27	40.5
1977	46	40.5
1978	40	40.5
1979	50	40.5
1981	38	37
1982	43	37
1983	47	37
1984	36	37
1985	27	37
1987	34	37
1988	34	37
1991	34	36
1993	32	36
1999	42	36
2000	37	37
2005	37	37

For each year, a bar from the first to the last day at Chadds Ford 2 NE meeting 10 mm (0.39 in).

First to last qualifying date each year at Chadds Ford 2 NE
Year	First date	Last date
1946	1946-01-10	1946-12-21
1947	1947-01-02	1947-12-26
1948	1948-01-02	1948-12-31
1949	1949-01-06	1949-12-27
1950	1950-01-31	1950-12-08
1951	1951-01-15	1951-12-26
1952	1952-01-02	1952-12-22
1953	1953-01-01	1953-12-14
1954	1954-01-11	1954-12-30
1955	1955-02-07	1955-10-30
1956	1956-02-03	1956-11-22
1958	1958-01-15	1958-12-30
1960	1960-01-03	1960-12-30
1961	1961-01-01	1961-11-24
1962	1962-01-06	1962-12-30
1963	1963-01-12	1963-12-09
1964	1964-01-10	1964-12-28
1965	1965-01-11	1965-12-26
1966	1966-01-03	1966-12-29
1967	1967-01-28	1967-11-03
1968	1968-01-15	1968-12-23
1969	1969-02-24	1969-12-31
1970	1970-02-03	1970-12-24
1971	1971-01-01	1971-12-08
1972	1972-01-02	1972-12-22
1975	1975-01-07	1975-12-31
1976	1976-01-01	1976-12-08
1977	1977-01-10	1977-12-21
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-14
1981	1981-02-03	1981-12-16
1982	1982-01-01	1982-12-18
1983	1983-01-06	1983-12-29
1984	1984-01-19	1984-12-06
1985	1985-02-01	1985-12-18
1987	1987-01-02	1987-12-16
1988	1988-01-20	1988-11-28
1991	1991-01-07	1991-11-23
1993	1993-01-21	1993-12-21
1999	1999-01-03	1999-12-15
2000	2000-01-05	2000-12-17
2005	2005-01-04	2005-12-25

Every Fixed Threshold

Fixed thresholds at Chadds Ford 2 NE
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	42	50	1979	37
25 mm (0.98 in): Days with 25 mm or more rain	42	21	1993	13
50 mm (1.97 in): Days with 50 mm or more rain	39	6	1979	4
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	2	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Chadds Ford 2 NE 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).

Chadds Ford 2 NE Threshold Days by Year (USC00361342)

Key Facts for Chadds Ford 2 NE Thresholds

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

Every Fixed Threshold

Download the Data

Related