Martinsburg Threshold Days by Year (USC00235319)

5 fixed thresholds counted per year at Martinsburg (USC00235319): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Martinsburg Thresholds

Martinsburg: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1985 with 48.
Martinsburg: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1969 with 21.
Martinsburg: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1970 with 6.
Martinsburg: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1960 with 5.
5 fixed thresholds have at least one qualifying day at Martinsburg.

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

41 years with a qualifying day

Days per year at Martinsburg with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1985.

Days with 10 mm (0.39 in) or more of precipitation per year at Martinsburg
Year	Days	Decade average
1945	35	35.2
1946	35	35.2
1947	35	35.2
1948	27	35.2
1949	44	35.2
1950	23	26.8
1951	31	26.8
1952	25	26.8
1953	18	26.8
1954	27	26.8
1955	27	26.8
1956	27	26.8
1957	28	26.8
1958	37	26.8
1959	25	26.8
1960	26	29.3
1961	34	29.3
1962	24	29.3
1963	16	29.3
1964	27	29.3
1965	31	29.3
1966	24	29.3
1967	37	29.3
1968	30	29.3
1969	44	29.3
1970	36	32.2
1971	24	32.2
1972	26	32.2
1973	46	32.2
1974	34	32.2
1975	35	32.2
1976	24	32.2
1977	33	32.2
1978	35	32.2
1979	29	32.2
1980	24	37
1981	43	37
1982	43	37
1983	26	37
1984	38	37
1985	48	37

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

First to last qualifying date each year at Martinsburg
Year	First date	Last date
1945	1945-02-17	1945-11-13
1946	1946-01-05	1946-12-09
1947	1947-01-30	1947-12-04
1948	1948-01-01	1948-12-24
1949	1949-01-10	1949-12-26
1950	1950-01-03	1950-11-20
1951	1951-01-02	1951-12-25
1952	1952-02-04	1952-12-20
1953	1953-01-24	1953-11-20
1954	1954-03-03	1954-12-29
1955	1955-01-05	1955-10-28
1956	1956-02-01	1956-12-08
1957	1957-01-22	1957-12-25
1958	1958-01-21	1958-11-17
1959	1959-01-20	1959-12-27
1960	1960-01-28	1960-12-20
1961	1961-02-02	1961-11-16
1962	1962-02-09	1962-12-20
1963	1963-03-04	1963-11-22
1964	1964-01-12	1964-11-27
1965	1965-01-02	1965-12-24
1966	1966-02-01	1966-12-08
1967	1967-01-26	1967-12-21
1968	1968-01-29	1968-12-27
1969	1969-01-16	1969-12-23
1970	1970-03-02	1970-12-21
1971	1971-01-03	1971-12-30
1972	1972-02-10	1972-12-12
1973	1973-01-03	1973-12-30
1974	1974-01-10	1974-12-11
1975	1975-01-10	1975-12-29
1976	1976-01-13	1976-12-29
1977	1977-01-04	1977-12-04
1978	1978-01-16	1978-12-31
1979	1979-01-05	1979-12-24
1980	1980-02-08	1980-12-08
1981	1981-02-01	1981-12-22
1982	1982-01-22	1982-12-25
1983	1983-03-20	1983-12-11
1984	1984-02-12	1984-12-31
1985	1985-01-01	1985-12-11

Every Fixed Threshold

Fixed thresholds at Martinsburg
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	48	1985	48
25 mm (0.98 in): Days with 25 mm or more rain	41	21	1969	18
50 mm (1.97 in): Days with 50 mm or more rain	36	6	1970	2
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1949	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	5	1960	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Martinsburg 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).

Martinsburg Threshold Days by Year (USC00235319)

Key Facts for Martinsburg Thresholds

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

Every Fixed Threshold

Download the Data

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