Hanging Rock State Forest Threshold Days by Year

4 fixed thresholds counted per year at Hanging Rock State Forest (ASN00055079): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hanging Rock State Forest Thresholds

Hanging Rock State Forest: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1955 with 79.
Hanging Rock State Forest: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1950 with 35.
Hanging Rock State Forest: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1952 with 14.
Hanging Rock State Forest: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1945 with 2.
4 fixed thresholds have at least one qualifying day at Hanging Rock State Forest.

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

41 years with a qualifying day

Days per year at Hanging Rock State Forest with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 79 in 1955.

Days with 10 mm (0.39 in) or more of precipitation per year at Hanging Rock State Forest
Year	Days	Decade average
1939	44	44
1940	28	42.8
1941	42	42.8
1942	41	42.8
1943	46	42.8
1944	32	42.8
1945	52	42.8
1946	27	42.8
1947	61	42.8
1948	44	42.8
1949	55	42.8
1950	72	59
1952	59	59
1953	51	59
1954	52	59
1955	79	59
1956	79	59
1957	38	59
1958	54	59
1959	47	59
1960	60	48.7
1961	50	48.7
1962	66	48.7
1963	69	48.7
1964	44	48.7
1965	31	48.7
1966	30	48.7
1967	41	48.7
1968	49	48.7
1969	47	48.7
1970	47	41.6
1971	51	41.6
1972	26	41.6
1973	61	41.6
1974	37	41.6
1976	36	41.6
1977	33	41.6
1980	27	28.5
1982	21	28.5
1983	42	28.5
1986	24	28.5

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

First to last qualifying date each year at Hanging Rock State Forest
Year	First date	Last date
1939	1939-01-01	1939-12-25
1940	1940-01-19	1940-12-30
1941	1941-01-01	1941-12-29
1942	1942-01-26	1942-12-29
1943	1943-01-01	1943-12-29
1944	1944-01-01	1944-12-22
1945	1945-01-01	1945-12-19
1946	1946-01-20	1946-12-23
1947	1947-01-17	1947-12-25
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-29
1950	1950-01-02	1950-12-31
1952	1952-01-06	1952-12-31
1953	1953-01-05	1953-12-27
1954	1954-01-02	1954-12-29
1955	1955-01-13	1955-12-25
1956	1956-01-12	1956-12-15
1957	1957-01-04	1957-12-31
1958	1958-01-01	1958-12-26
1959	1959-01-02	1959-12-23
1960	1960-01-05	1960-12-19
1961	1961-01-03	1961-12-18
1962	1962-01-01	1962-12-30
1963	1963-01-04	1963-12-15
1964	1964-01-13	1964-12-29
1965	1965-01-03	1965-12-15
1966	1966-01-18	1966-12-28
1967	1967-01-03	1967-12-30
1968	1968-01-05	1968-12-25
1969	1969-01-01	1969-12-23
1970	1970-01-08	1970-12-29
1971	1971-01-04	1971-12-16
1972	1972-01-04	1972-12-09
1973	1973-01-13	1973-12-31
1974	1974-01-03	1974-11-13
1976	1976-01-25	1976-12-24
1977	1977-01-12	1977-12-27
1980	1980-01-01	1980-12-30
1982	1982-01-14	1982-12-30
1983	1983-01-03	1983-12-28
1986	1986-01-17	1986-11-20

Every Fixed Threshold

Fixed thresholds at Hanging Rock State Forest
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	41	79	1955	24
25 mm (0.98 in): Days with 25 mm or more rain	41	35	1950	8
50 mm (1.97 in): Days with 50 mm or more rain	39	14	1952	3
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Hanging Rock State Forest 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).

Hanging Rock State Forest Threshold Days by Year

Key Facts for Hanging Rock State Forest Thresholds

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

Every Fixed Threshold

Download the Data

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