Plainfield Threshold Days by Year (USC00196425)

7 fixed thresholds counted per year at Plainfield (USC00196425): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Plainfield Thresholds

Plainfield: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1937 with 50.
Plainfield: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1942 with 21.
Plainfield: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1955 with 10.
Plainfield: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1945 with 12.
7 fixed thresholds have at least one qualifying day at Plainfield.

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

47 years with a qualifying day

Days per year at Plainfield with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1937.

Days with 10 mm (0.39 in) or more of precipitation per year at Plainfield
Year	Days	Decade average
1931	36	40.3
1932	42	40.3
1934	44	40.3
1935	38	40.3
1936	36	40.3
1937	50	40.3
1938	39	40.3
1939	37	40.3
1940	37	39.9
1941	26	39.9
1942	49	39.9
1943	45	39.9
1944	42	39.9
1945	44	39.9
1946	37	39.9
1947	39	39.9
1948	43	39.9
1949	37	39.9
1950	31	37.3
1951	42	37.3
1952	39	37.3
1953	49	37.3
1954	33	37.3
1955	37	37.3
1956	35	37.3
1957	33	37.3
1958	34	37.3
1959	40	37.3
1960	26	27.9
1961	26	27.9
1962	32	27.9
1963	26	27.9
1964	20	27.9
1966	22	27.9
1967	41	27.9
1968	30	27.9
1971	30	32.5
1972	40	32.5
1976	29	32.5
1978	31	32.5
1981	35	37
1983	42	37
1984	40	37
1985	34	37
1987	36	37
1988	32	37
1989	40	37

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

First to last qualifying date each year at Plainfield
Year	First date	Last date
1931	1931-01-05	1931-12-24
1932	1932-01-01	1932-12-27
1934	1934-01-05	1934-12-31
1935	1935-01-01	1935-12-15
1936	1936-01-02	1936-12-31
1937	1937-01-02	1937-12-17
1938	1938-01-06	1938-12-26
1939	1939-01-05	1939-12-20
1940	1940-01-14	1940-12-28
1941	1941-01-24	1941-12-23
1942	1942-01-01	1942-12-30
1943	1943-01-03	1943-12-26
1944	1944-01-06	1944-12-31
1945	1945-01-01	1945-12-29
1946	1946-01-09	1946-12-27
1947	1947-01-01	1947-12-26
1948	1948-01-17	1948-12-31
1949	1949-01-01	1949-12-27
1950	1950-01-06	1950-12-09
1951	1951-01-15	1951-12-26
1952	1952-01-18	1952-12-12
1953	1953-01-03	1953-12-10
1954	1954-01-10	1954-12-30
1955	1955-01-02	1955-12-04
1956	1956-01-09	1956-12-23
1957	1957-01-23	1957-12-27
1958	1958-01-01	1958-12-06
1959	1959-01-02	1959-12-13
1960	1960-01-19	1960-11-30
1961	1961-02-26	1961-12-20
1962	1962-02-15	1962-12-30
1963	1963-01-12	1963-12-09
1964	1964-01-02	1964-12-28
1966	1966-01-03	1966-12-14
1967	1967-01-28	1967-12-29
1968	1968-01-15	1968-12-23
1971	1971-01-02	1971-12-07
1972	1972-01-10	1972-12-31
1976	1976-01-12	1976-12-08
1978	1978-01-09	1978-12-25
1981	1981-02-03	1981-12-28
1983	1983-01-06	1983-12-29
1984	1984-01-10	1984-12-22
1985	1985-01-02	1985-12-14
1987	1987-01-02	1987-12-21
1988	1988-01-20	1988-12-29
1989	1989-01-27	1989-11-17

Every Fixed Threshold

Fixed thresholds at Plainfield
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	47	50	1937	40
25 mm (0.98 in): Days with 25 mm or more rain	47	21	1942	13
50 mm (1.97 in): Days with 50 mm or more rain	36	10	1955	2
100 mm (3.94 in): Days with 100 mm or more rain	8	3	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	12	1945	3
25 cm (9.8 in): Days with 25 cm or more snowfall	17	2	1945	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Plainfield 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).

Plainfield Threshold Days by Year (USC00196425)

Key Facts for Plainfield Thresholds

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

Every Fixed Threshold

Download the Data

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