Culpeper Threshold Days by Year (USC00442155)

17 fixed thresholds counted per year at Culpeper (USC00442155): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Culpeper Thresholds

Culpeper: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 1939 with 112.
Culpeper: days with a maximum temperature at or above 90 F (32.2 C) in 69 years, most in 1943 with 76.
Culpeper: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1969 with 128.
Culpeper: nights with a minimum temperature at or below -10 C (14 F) in 69 years, most in 1963 with 29.
17 fixed thresholds have at least one qualifying day at Culpeper.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Culpeper with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 1939.

Days at or above 30 C (86 F) per year at Culpeper
Year	Days	Decade average
1908	56	61
1909	66	61
1910	44	56.8
1911	77	56.8
1912	50	56.8
1913	52	56.8
1914	56	56.8
1919	62	56.8
1920	38	47.8
1921	65	47.8
1922	47	47.8
1923	51	47.8
1924	38	47.8
1925	72	47.8
1926	48	47.8
1927	17	47.8
1928	43	47.8
1929	59	47.8
1930	74	66.4
1931	55	66.4
1932	50	66.4
1933	55	66.4
1934	58	66.4
1935	50	66.4
1936	63	66.4
1937	70	66.4
1938	77	66.4
1939	112	66.4
1940	65	73.1
1941	86	73.1
1942	84	73.1
1943	97	73.1
1944	95	73.1
1945	74	73.1
1946	53	73.1
1947	65	73.1
1948	49	73.1
1949	63	73.1
1950	58	75.8
1951	68	75.8
1952	79	75.8
1954	93	75.8
1955	70	75.8
1957	91	75.8
1958	63	75.8
1959	84	75.8
1960	65	66.7
1961	69	66.7
1962	59	66.7
1963	68	66.7
1964	69	66.7
1965	69	66.7
1966	71	66.7
1967	57	66.7
1968	69	66.7
1969	71	66.7
1972	56	64.4
1973	75	64.4
1974	54	64.4
1975	63	64.4
1976	72	64.4
1977	87	64.4
1978	63	64.4
1979	45	64.4
1980	84	72.8
1981	74	72.8
1982	59	72.8
1983	89	72.8
1984	58	72.8

For each year, a bar from the first to the last day at Culpeper meeting 30 C (86 F).

First to last qualifying date each year at Culpeper
Year	First date	Last date
1908	1908-04-23	1908-10-16
1909	1909-04-06	1909-08-29
1910	1910-03-30	1910-10-01
1911	1911-05-10	1911-09-25
1912	1912-05-20	1912-09-15
1913	1913-04-23	1913-09-08
1914	1914-05-11	1914-09-23
1919	1919-05-04	1919-10-28
1920	1920-04-22	1920-09-25
1921	1921-03-21	1921-09-29
1922	1922-04-10	1922-10-06
1923	1923-05-29	1923-09-03
1924	1924-05-06	1924-09-13
1925	1925-04-23	1925-09-28
1926	1926-04-30	1926-10-04
1927	1927-06-11	1927-10-02
1928	1928-05-04	1928-09-16
1929	1929-03-24	1929-09-29
1930	1930-04-12	1930-09-27
1931	1931-05-29	1931-09-23
1932	1932-05-07	1932-09-21
1933	1933-05-20	1933-10-01
1934	1934-05-06	1934-09-27
1935	1935-04-27	1935-09-21
1936	1936-05-08	1936-09-23
1937	1937-04-18	1937-09-25
1938	1938-03-22	1938-10-19
1939	1939-03-25	1939-10-10
1940	1940-05-06	1940-09-21
1941	1941-04-14	1941-10-08
1942	1942-04-05	1942-09-23
1943	1943-04-28	1943-09-23
1944	1944-05-01	1944-10-07
1945	1945-03-16	1945-09-29
1946	1946-04-23	1946-09-22
1947	1947-04-30	1947-10-23
1948	1948-03-21	1948-09-20
1949	1949-05-03	1949-10-11
1950	1950-05-05	1950-11-01
1951	1951-05-02	1951-10-06
1952	1952-03-21	1952-10-01
1954	1954-04-19	1954-10-13
1955	1955-05-04	1955-09-20
1957	1957-04-21	1957-09-23
1958	1958-04-19	1958-10-10
1959	1959-04-08	1959-10-06
1960	1960-04-14	1960-09-09
1961	1961-04-25	1961-09-25
1962	1962-04-22	1962-10-12
1963	1963-03-30	1963-10-07
1964	1964-04-17	1964-09-23
1965	1965-05-03	1965-09-23
1966	1966-04-24	1966-09-06
1967	1967-04-02	1967-10-06
1968	1968-04-17	1968-10-02
1969	1969-04-27	1969-10-20
1972	1972-04-19	1972-09-26
1973	1973-04-22	1973-09-28
1974	1974-04-28	1974-09-20
1975	1975-05-20	1975-09-04
1976	1976-04-16	1976-09-17
1977	1977-04-11	1977-09-20
1978	1978-04-01	1978-09-19
1979	1979-05-08	1979-08-31
1980	1980-05-05	1980-09-23
1981	1981-04-03	1981-10-01
1982	1982-05-07	1982-09-18
1983	1983-04-27	1983-10-05
1984	1984-05-19	1984-09-25

Every Fixed Threshold

Fixed thresholds at Culpeper
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	112	1939	58
35 C (95 F): Days	62	34	1943	8
40 C (104 F): Days	4	2	1977	2
90 F (32.2 C): Days	69	76	1943	27
100 F (37.8 C): Days	21	8	1930	2
0 C (32 F): Ice days (max	68	22	1912	6
0 C (32 F): Frost days (min	69	128	1969	88
-10 C (14 F): Days with min	69	29	1963	6
-20 C (-4 F): Days with min	21	3	1940	1
20 C (68 F): Tropical nights (min	69	50	1949	27
25 C (77 F): Days with min	14	3	1930	1
10 mm (0.39 in): Days with 10 mm or more rain	68	48	1984	48
25 mm (0.98 in): Days with 25 mm or more rain	68	20	1984	20
50 mm (1.97 in): Days with 50 mm or more rain	60	7	1932	5
100 mm (3.94 in): Days with 100 mm or more rain	12	2	1913	1
10 cm (3.9 in): Days with 10 cm or more snowfall	42	7	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Culpeper 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).

Culpeper Threshold Days by Year (USC00442155)

Key Facts for Culpeper Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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