College Park Threshold Days by Year

18 fixed thresholds counted per year at College Park (USC00181995): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for College Park Thresholds

College Park: days with a maximum temperature at or above 30 C (86 F) in 93 years, most in 1930 with 101.
College Park: days with a maximum temperature at or above 90 F (32.2 C) in 93 years, most in 1930 with 71.
College Park: nights with a minimum temperature at or below 0 C (32 F) in 92 years, most in 1917 with 148.
College Park: nights with a minimum temperature at or below -10 C (14 F) in 92 years, most in 1904 with 36.
18 fixed thresholds have at least one qualifying day at College Park.

Days at or above 30 C (86 F)

93 years with a qualifying day

Days per year at College Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1930.

Days at or above 30 C (86 F) per year at College Park
Year	Days	Decade average
1894	63	58.2
1895	59	58.2
1896	48	58.2
1898	70	58.2
1899	51	58.2
1900	92	57.9
1901	49	57.9
1902	57	57.9
1903	35	57.9
1904	52	57.9
1905	66	57.9
1906	65	57.9
1907	45	57.9
1908	60	57.9
1910	71	67.3
1911	93	67.3
1912	59	67.3
1913	65	67.3
1914	77	67.3
1917	48	67.3
1918	62	67.3
1919	63	67.3
1920	44	61.4
1921	80	61.4
1922	63	61.4
1923	64	61.4
1924	48	61.4
1925	89	61.4
1926	66	61.4
1927	48	61.4
1928	48	61.4
1929	64	61.4
1930	101	74.6
1931	81	74.6
1932	76	74.6
1933	63	74.6
1934	71	74.6
1935	60	74.6
1936	71	74.6
1937	74	74.6
1938	66	74.6
1939	83	74.6
1940	53	69.6
1941	87	69.6
1942	74	69.6
1943	88	69.6
1944	81	69.6
1945	68	69.6
1946	51	69.6
1947	72	69.6
1948	52	69.6
1949	70	69.6
1950	44	75.9
1951	75	75.9
1955	72	75.9
1956	80	75.9
1957	99	75.9
1958	63	75.9
1959	98	75.9
1960	80	76.6
1961	85	76.6
1962	80	76.6
1963	74	76.6
1964	85	76.6
1965	81	76.6
1966	83	76.6
1967	58	76.6
1968	63	76.6
1970	88	65.7
1971	69	65.7
1972	59	65.7
1973	52	65.7
1974	62	65.7
1975	68	65.7
1976	65	65.7
1977	80	65.7
1978	65	65.7
1979	49	65.7
1980	79	68.3
1981	52	68.3
1982	56	68.3
1983	77	68.3
1984	62	68.3
1985	70	68.3
1986	81	68.3
1987	85	68.3
1988	71	68.3
1989	50	68.3
1990	71	72.6
1991	98	72.6
1992	49	72.6
1993	72	72.6
1994	73	72.6

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

First to last qualifying date each year at College Park
Year	First date	Last date
1894	1894-05-02	1894-09-23
1895	1895-05-10	1895-09-26
1896	1896-04-16	1896-09-19
1898	1898-05-02	1898-09-30
1899	1899-05-01	1899-09-09
1900	1900-05-13	1900-10-06
1901	1901-06-05	1901-09-16
1902	1902-04-22	1902-09-24
1903	1903-04-30	1903-09-15
1904	1904-05-24	1904-10-11
1905	1905-04-21	1905-10-16
1906	1906-04-19	1906-09-22
1907	1907-03-22	1907-09-22
1908	1908-05-13	1908-10-18
1910	1910-03-30	1910-10-17
1911	1911-04-07	1911-09-25
1912	1912-05-20	1912-10-11
1913	1913-04-24	1913-09-08
1914	1914-04-29	1914-10-10
1917	1917-04-19	1917-09-03
1918	1918-05-05	1918-09-05
1919	1919-05-04	1919-10-28
1920	1920-06-02	1920-10-15
1921	1921-03-21	1921-09-29
1922	1922-04-09	1922-10-06
1923	1923-05-27	1923-09-25
1924	1924-05-06	1924-09-13
1925	1925-04-23	1925-09-28
1926	1926-04-22	1926-10-05
1927	1927-04-20	1927-10-02
1928	1928-05-04	1928-10-13
1929	1929-04-06	1929-09-29
1930	1930-04-11	1930-09-27
1931	1931-05-16	1931-10-05
1932	1932-05-07	1932-09-23
1933	1933-05-20	1933-09-27
1934	1934-05-05	1934-09-27
1935	1935-04-27	1935-09-22
1936	1936-04-21	1936-09-23
1937	1937-04-18	1937-09-25
1938	1938-04-20	1938-10-17
1939	1939-03-25	1939-10-10
1940	1940-05-13	1940-09-22
1941	1941-04-14	1941-10-08
1942	1942-04-06	1942-09-20
1943	1943-05-07	1943-09-16
1944	1944-05-04	1944-09-06
1945	1945-03-17	1945-09-29
1946	1946-04-23	1946-09-18
1947	1947-05-13	1947-10-23
1948	1948-03-21	1948-09-21
1949	1949-05-04	1949-10-12
1950	1950-05-06	1950-11-01
1951	1951-04-29	1951-10-06
1955	1955-05-05	1955-09-21
1956	1956-04-28	1956-09-24
1957	1957-04-21	1957-09-22
1958	1958-04-19	1958-10-10
1959	1959-04-08	1959-10-07
1960	1960-04-14	1960-09-10
1961	1961-04-25	1961-09-26
1962	1962-04-22	1962-10-13
1963	1963-04-02	1963-09-21
1964	1964-04-17	1964-09-23
1965	1965-05-03	1965-09-23
1966	1966-05-06	1966-09-11
1967	1967-04-02	1967-10-06
1968	1968-06-06	1968-09-26
1970	1970-05-09	1970-09-27
1971	1971-05-19	1971-09-16
1972	1972-04-19	1972-09-26
1973	1973-04-22	1973-09-08
1974	1974-04-28	1974-09-14
1975	1975-05-20	1975-10-15
1976	1976-04-17	1976-09-15
1977	1977-04-12	1977-09-21
1978	1978-04-02	1978-09-20
1979	1979-05-09	1979-09-15
1980	1980-05-06	1980-09-24
1981	1981-04-29	1981-09-15
1982	1982-05-08	1982-09-19
1983	1983-04-29	1983-10-05
1984	1984-05-20	1984-09-26
1985	1985-04-20	1985-09-21
1986	1986-03-31	1986-10-03
1987	1987-05-11	1987-09-19
1988	1988-05-23	1988-09-24
1989	1989-05-27	1989-10-16
1990	1990-03-13	1990-10-11
1991	1991-04-08	1991-10-05
1992	1992-04-18	1992-09-23
1993	1993-05-11	1993-09-16
1994	1994-04-16	1994-09-18

Every Fixed Threshold

Fixed thresholds at College Park
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	93	101	1930	73
35 C (95 F): Days	90	35	1900	11
40 C (104 F): Days	6	3	1930	2
90 F (32.2 C): Days	93	71	1930	42
100 F (37.8 C): Days	39	15	1930	4
0 C (32 F): Ice days (max	90	29	1977	7
0 C (32 F): Frost days (min	92	148	1917	73
-10 C (14 F): Days with min	92	36	1904	9
-20 C (-4 F): Days with min	29	9	1904	2
-30 C (-22 F): Days with min	1	1	1912	1
20 C (68 F): Tropical nights (min	92	69	1991	63
25 C (77 F): Days with min	38	9	1988	5
10 mm (0.39 in): Days with 10 mm or more rain	88	52	1937	41
25 mm (0.98 in): Days with 25 mm or more rain	88	21	1948	12
50 mm (1.97 in): Days with 50 mm or more rain	68	7	1901	3
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	32	5	1987	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1987	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for College Park 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).

College Park Threshold Days by Year

Key Facts for College Park Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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