Frostburg Threshold Days by Year (USC00183410)

18 fixed thresholds counted per year at Frostburg (USC00183410): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frostburg Thresholds

Frostburg: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1929 with 44.
Frostburg: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1924 with 17.
Frostburg: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 1930 with 65.
Frostburg: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1966 with 52.
18 fixed thresholds have at least one qualifying day at Frostburg.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Frostburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1930.

Days at or above 30 C (86 F) per year at Frostburg
Year	Days	Decade average
1899	44	44
1900	50	42.7
1908	48	42.7
1909	30	42.7
1910	38	36.9
1911	59	36.9
1912	30	36.9
1913	37	36.9
1914	47	36.9
1915	27	36.9
1916	33	36.9
1917	20	36.9
1918	37	36.9
1919	41	36.9
1920	13	29.6
1921	41	29.6
1922	48	29.6
1923	32	29.6
1924	25	29.6
1925	34	29.6
1926	28	29.6
1927	25	29.6
1928	29	29.6
1929	21	29.6
1930	65	38.3
1931	62	38.3
1932	33	38.3
1933	39	38.3
1934	35	38.3
1935	20	38.3
1936	50	38.3
1937	31	38.3
1938	27	38.3
1939	21	38.3
1940	26	33.8
1941	41	33.8
1942	22	33.8
1943	50	33.8
1944	61	33.8
1945	41	33.8
1946	33	33.8
1947	28	33.8
1948	15	33.8
1949	21	33.8
1950	6	24.5
1951	24	24.5
1952	35	24.5
1953	36	24.5
1954	25	24.5
1955	25	24.5
1956	11	24.5
1957	30	24.5
1958	10	24.5
1959	43	24.5
1960	12	20.2
1961	25	20.2
1962	12	20.2
1963	12	20.2
1964	22	20.2
1965	19	20.2
1966	27	20.2
1968	34	20.2
1969	19	20.2
1970	18	15.5
1971	13	15.5

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

First to last qualifying date each year at Frostburg
Year	First date	Last date
1899	1899-04-30	1899-09-08
1900	1900-05-14	1900-09-26
1908	1908-05-27	1908-09-24
1909	1909-05-06	1909-08-27
1910	1910-06-20	1910-10-06
1911	1911-05-11	1911-09-07
1912	1912-05-03	1912-10-11
1913	1913-05-03	1913-09-07
1914	1914-05-12	1914-09-23
1915	1915-04-25	1915-09-17
1916	1916-05-29	1916-09-11
1917	1917-06-13	1917-09-03
1918	1918-05-26	1918-08-25
1919	1919-05-27	1919-10-03
1920	1920-06-02	1920-09-27
1921	1921-04-25	1921-09-18
1922	1922-06-07	1922-10-06
1923	1923-05-29	1923-09-24
1924	1924-05-07	1924-09-02
1925	1925-04-24	1925-09-20
1926	1926-05-07	1926-09-06
1927	1927-05-09	1927-10-02
1928	1928-05-04	1928-09-11
1929	1929-05-28	1929-09-09
1930	1930-05-05	1930-09-27
1931	1931-05-28	1931-09-23
1932	1932-05-25	1932-09-03
1933	1933-06-06	1933-09-25
1934	1934-05-20	1934-08-15
1935	1935-06-14	1935-08-15
1936	1936-05-07	1936-09-24
1937	1937-05-30	1937-09-05
1938	1938-05-04	1938-08-30
1939	1939-05-19	1939-09-16
1940	1940-06-06	1940-09-20
1941	1941-05-06	1941-10-07
1942	1942-04-30	1942-09-15
1943	1943-05-17	1943-09-07
1944	1944-05-01	1944-09-04
1945	1945-05-15	1945-09-26
1946	1946-04-22	1946-09-10
1947	1947-05-24	1947-09-15
1948	1948-05-11	1948-08-29
1949	1949-05-05	1949-08-27
1950	1950-06-26	1950-08-28
1951	1951-06-01	1951-10-05
1952	1952-06-08	1952-09-14
1953	1953-06-06	1953-09-30
1954	1954-06-01	1954-09-07
1955	1955-07-03	1955-08-29
1956	1956-06-12	1956-09-01
1957	1957-04-24	1957-09-12
1958	1958-06-01	1958-09-15
1959	1959-05-11	1959-10-07
1960	1960-04-23	1960-09-09
1961	1961-06-12	1961-09-24
1962	1962-05-15	1962-09-01
1963	1963-06-11	1963-07-29
1964	1964-05-20	1964-09-12
1965	1965-06-23	1965-09-23
1966	1966-06-10	1966-09-04
1968	1968-06-06	1968-09-24
1969	1969-05-29	1969-09-02
1970	1970-05-01	1970-09-25
1971	1971-05-19	1971-09-05

Every Fixed Threshold

Fixed thresholds at Frostburg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	65	1930	13
35 C (95 F): Days	28	11	1911	1
40 C (104 F): Days	1	1	1918	1
90 F (32.2 C): Days	61	40	1931	1
100 F (37.8 C): Days	3	3	1930	2
0 C (32 F): Ice days (max	65	52	1966	30
0 C (32 F): Frost days (min	64	155	1926	113
-10 C (14 F): Days with min	64	43	1963	30
-20 C (-4 F): Days with min	34	6	1936	1
20 C (68 F): Tropical nights (min	61	15	1941	2
25 C (77 F): Days with min	2	2	1918	2
10 mm (0.39 in): Days with 10 mm or more rain	67	44	1929	35
25 mm (0.98 in): Days with 25 mm or more rain	67	17	1924	9
50 mm (1.97 in): Days with 50 mm or more rain	47	3	1915	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1929	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	11	1962	8
25 cm (9.8 in): Days with 25 cm or more snowfall	14	3	1961	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Frostburg 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).

Frostburg Threshold Days by Year (USC00183410)

Key Facts for Frostburg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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