Heavener 2 N Threshold Days by Year

6 fixed thresholds counted per year at Heavener 2 N (USC00344008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Heavener 2 N Thresholds

Heavener 2 N: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1957 with 54.
Heavener 2 N: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1973 with 26.
Heavener 2 N: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1974 with 9.
Heavener 2 N: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1954 with 1.
6 fixed thresholds have at least one qualifying day at Heavener 2 N.

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

45 years with a qualifying day

Days per year at Heavener 2 N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Heavener 2 N
Year	Days	Decade average
1952	32	35.5
1953	36	35.5
1954	30	35.5
1955	26	35.5
1956	30	35.5
1957	54	35.5
1958	40	35.5
1959	36	35.5
1960	32	32.8
1961	42	32.8
1962	27	32.8
1963	19	32.8
1964	29	32.8
1965	30	32.8
1966	30	32.8
1967	36	32.8
1968	48	32.8
1969	35	32.8
1970	36	37.3
1971	40	37.3
1972	24	37.3
1973	54	37.3
1974	40	37.3
1975	43	37.3
1976	31	37.3
1977	34	37.3
1978	29	37.3
1979	42	37.3
1980	24	39.2
1981	45	39.2
1982	43	39.2
1983	34	39.2
1984	48	39.2
1985	43	39.2
1986	36	39.2
1987	46	39.2
1988	34	39.2
1989	39	39.2
1990	51	42.2
1991	40	42.2
1992	37	42.2
1993	48	42.2
1994	41	42.2
1999	36	42.2
2000	36	36

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

First to last qualifying date each year at Heavener 2 N
Year	First date	Last date
1952	1952-01-02	1952-12-02
1953	1953-01-17	1953-12-12
1954	1954-01-10	1954-12-29
1955	1955-01-11	1955-12-01
1956	1956-01-19	1956-12-20
1957	1957-01-04	1957-12-25
1958	1958-01-13	1958-12-31
1959	1959-01-21	1959-12-27
1960	1960-01-06	1960-12-11
1961	1961-01-01	1961-12-17
1962	1962-01-05	1962-12-03
1963	1963-03-01	1963-12-12
1964	1964-01-31	1964-12-31
1965	1965-01-09	1965-12-11
1966	1966-01-02	1966-12-28
1967	1967-01-26	1967-12-21
1968	1968-01-22	1968-12-28
1969	1969-01-29	1969-12-29
1970	1970-01-06	1970-12-21
1971	1971-01-04	1971-12-28
1972	1972-01-27	1972-12-13
1973	1973-01-03	1973-12-24
1974	1974-02-21	1974-12-25
1975	1975-01-31	1975-12-29
1976	1976-02-18	1976-12-11
1977	1977-01-09	1977-12-29
1978	1978-01-16	1978-12-31
1979	1979-01-01	1979-12-24
1980	1980-01-03	1980-12-09
1981	1981-02-01	1981-11-30
1982	1982-01-22	1982-12-28
1983	1983-01-02	1983-12-03
1984	1984-01-10	1984-12-30
1985	1985-01-01	1985-12-11
1986	1986-02-03	1986-12-08
1987	1987-01-03	1987-12-27
1988	1988-01-07	1988-12-28
1989	1989-01-26	1989-12-08
1990	1990-01-17	1990-12-18
1991	1991-01-06	1991-12-23
1992	1992-01-14	1992-12-16
1993	1993-01-04	1993-12-13
1994	1994-02-20	1994-12-20
1999	1999-02-07	1999-12-11
2000	2000-01-03	2000-11-26

Every Fixed Threshold

Fixed thresholds at Heavener 2 N
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	45	54	1957	36
25 mm (0.98 in): Days with 25 mm or more rain	45	26	1973	14
50 mm (1.97 in): Days with 50 mm or more rain	44	9	1974	3
100 mm (3.94 in): Days with 100 mm or more rain	11	3	1974	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	1	1954	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

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Data for Heavener 2 N 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Heavener 2 N Threshold Days by Year

Key Facts for Heavener 2 N Thresholds

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

Every Fixed Threshold

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