Clarksburg Threshold Days by Year (USC00041784)

12 fixed thresholds counted per year at Clarksburg (USC00041784): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clarksburg Thresholds

Clarksburg: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1936 with 117.
Clarksburg: days with a maximum temperature at or above 35 C (95 F) in 35 years, most in 1936 with 55.
Clarksburg: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1936 with 90.
Clarksburg: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1949 with 61.
12 fixed thresholds have at least one qualifying day at Clarksburg.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Clarksburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 1936.

Days at or above 30 C (86 F) per year at Clarksburg
Year	Days	Decade average
1936	117	102.5
1937	99	102.5
1938	88	102.5
1939	106	102.5
1940	81	87.8
1941	76	87.8
1942	88	87.8
1943	93	87.8
1944	86	87.8
1945	105	87.8
1946	89	87.8
1947	100	87.8
1948	70	87.8
1949	90	87.8
1950	100	93.6
1951	93	93.6
1952	95	93.6
1953	87	93.6
1954	93	93.6
1955	100	93.6
1956	94	93.6
1957	80	93.6
1959	100	93.6
1960	87	85.7
1961	100	85.7
1962	88	85.7
1963	69	85.7
1964	79	85.7
1965	67	85.7
1966	85	85.7
1967	101	85.7
1969	95	85.7
1970	96	88.7
1971	86	88.7
1972	84	88.7

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

First to last qualifying date each year at Clarksburg
Year	First date	Last date
1936	1936-05-08	1936-10-17
1937	1937-05-02	1937-10-22
1938	1938-04-18	1938-09-21
1939	1939-03-17	1939-10-22
1940	1940-04-12	1940-10-19
1941	1941-05-09	1941-10-17
1942	1942-05-19	1942-10-22
1943	1943-05-08	1943-10-14
1944	1944-05-01	1944-10-27
1945	1945-04-16	1945-10-05
1946	1946-04-22	1946-10-13
1947	1947-04-12	1947-10-04
1948	1948-05-05	1948-10-01
1949	1949-04-12	1949-10-16
1950	1950-04-20	1950-10-14
1951	1951-04-09	1951-10-15
1952	1952-04-06	1952-10-07
1953	1953-04-22	1953-10-09
1954	1954-04-17	1954-10-22
1955	1955-05-06	1955-10-25
1956	1956-04-19	1956-10-06
1957	1957-04-06	1957-09-24
1959	1959-04-30	1959-10-26
1960	1960-05-11	1960-09-28
1961	1961-04-04	1961-10-19
1962	1962-04-14	1962-10-02
1963	1963-05-17	1963-10-02
1964	1964-04-15	1964-10-23
1965	1965-04-27	1965-10-26
1966	1966-04-01	1966-10-11
1967	1967-05-16	1967-10-19
1969	1969-05-06	1969-10-02
1970	1970-05-03	1970-10-12
1971	1971-06-06	1971-10-14
1972	1972-04-28	1972-10-07

Every Fixed Threshold

Fixed thresholds at Clarksburg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	117	1936	84
35 C (95 F): Days	35	55	1936	23
40 C (104 F): Days	28	16	1950	3
90 F (32.2 C): Days	35	90	1936	48
100 F (37.8 C): Days	34	30	1936	9
110 F (43.3 C): Days	5	6	1950	1
0 C (32 F): Ice days (max	2	1	1961	1
0 C (32 F): Frost days (min	35	61	1949	38
20 C (68 F): Tropical nights (min	9	4	1939	1
10 mm (0.39 in): Days with 10 mm or more rain	35	33	1940	16
25 mm (0.98 in): Days with 25 mm or more rain	31	7	1940	3
50 mm (1.97 in): Days with 50 mm or more rain	8	2	1940	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Clarksburg 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).

Clarksburg Threshold Days by Year (USC00041784)

Key Facts for Clarksburg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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