Gettysburg Threshold Days by Year (USC00393294)

20 fixed thresholds counted per year at Gettysburg (USC00393294): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gettysburg Thresholds

Gettysburg: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 1959 with 83.
Gettysburg: days with a maximum temperature at or above 90 F (32.2 C) in 82 years, most in 1959 with 67.
Gettysburg: days with a maximum temperature at or below 0 C (32 F) in 82 years, most in 1937 with 102.
Gettysburg: nights with a minimum temperature at or below 0 C (32 F) in 81 years, most in 1966 with 192.
20 fixed thresholds have at least one qualifying day at Gettysburg.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Gettysburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 1959.

Days at or above 30 C (86 F) per year at Gettysburg
Year	Days	Decade average
1932	41	63.5
1933	70	63.5
1934	77	63.5
1935	59	63.5
1936	79	63.5
1937	51	63.5
1938	59	63.5
1939	72	63.5
1940	60	47.1
1941	50	47.1
1942	21	47.1
1943	51	47.1
1944	41	47.1
1945	39	47.1
1946	34	47.1
1947	57	47.1
1948	53	47.1
1949	65	47.1
1950	38	50.5
1951	26	50.5
1952	63	50.5
1953	39	50.5
1954	42	50.5
1955	76	50.5
1956	42	50.5
1957	40	50.5
1958	56	50.5
1959	83	50.5
1960	47	49.5
1961	75	49.5
1962	33	49.5
1963	47	49.5
1964	53	49.5
1965	31	49.5
1966	59	49.5
1967	55	49.5
1968	38	49.5
1969	57	49.5
1970	77	48.4
1971	44	48.4
1972	39	48.4
1973	48	48.4
1974	51	48.4
1975	42	48.4
1976	72	48.4
1977	38	48.4
1978	41	48.4
1979	32	48.4
1980	53	47.6
1982	33	47.6
1983	55	47.6
1984	47	47.6
1985	38	47.6
1986	23	47.6
1987	57	47.6
1988	65	47.6
1989	57	47.6
1990	56	30.8
1991	36	30.8
1992	12	30.8
1993	13	30.8
1994	26	30.8
1996	32	30.8
1997	31	30.8
1998	39	30.8
1999	32	30.8
2000	49	41.4
2001	53	41.4
2004	55	41.4
2006	56	41.4
2007	40	41.4
2008	18	41.4
2009	19	41.4
2010	39	34.6
2011	33	34.6
2014	17	34.6
2015	42	34.6
2016	46	34.6
2017	35	34.6
2018	50	34.6
2019	15	34.6
2021	55	55

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

First to last qualifying date each year at Gettysburg
Year	First date	Last date
1932	1932-05-13	1932-09-14
1933	1933-05-22	1933-09-29
1934	1934-04-29	1934-10-11
1935	1935-06-13	1935-09-23
1936	1936-05-05	1936-09-22
1937	1937-06-17	1937-09-13
1938	1938-06-05	1938-10-03
1939	1939-05-01	1939-10-01
1940	1940-05-11	1940-09-22
1941	1941-05-13	1941-09-20
1942	1942-04-14	1942-09-11
1943	1943-05-28	1943-10-10
1944	1944-05-15	1944-09-16
1945	1945-06-21	1945-09-06
1946	1946-06-06	1946-09-05
1947	1947-07-03	1947-10-21
1948	1948-05-18	1948-09-18
1949	1949-05-29	1949-10-05
1950	1950-05-22	1950-10-30
1951	1951-07-14	1951-10-01
1952	1952-04-27	1952-09-27
1953	1953-05-29	1953-10-01
1954	1954-05-20	1954-10-07
1955	1955-05-02	1955-10-09
1956	1956-05-26	1956-10-12
1957	1957-06-20	1957-09-01
1958	1958-04-16	1958-10-19
1959	1959-04-30	1959-09-14
1960	1960-06-26	1960-10-08
1961	1961-06-08	1961-09-18
1962	1962-04-24	1962-10-14
1963	1963-05-07	1963-10-05
1964	1964-05-20	1964-10-15
1965	1965-05-31	1965-08-24
1966	1966-05-04	1966-09-12
1967	1967-05-22	1967-10-03
1968	1968-04-30	1968-09-15
1969	1969-05-14	1969-09-15
1970	1970-05-07	1970-10-05
1971	1971-04-10	1971-09-27
1972	1972-05-17	1972-09-20
1973	1973-06-02	1973-09-02
1974	1974-06-04	1974-09-27
1975	1975-05-17	1975-10-08
1976	1976-04-14	1976-10-01
1977	1977-04-10	1977-09-09
1978	1978-06-10	1978-09-26
1979	1979-05-29	1979-09-27
1980	1980-04-21	1980-10-09
1982	1982-05-04	1982-09-11
1983	1983-06-11	1983-09-27
1984	1984-05-17	1984-09-22
1985	1985-04-30	1985-09-06
1986	1986-06-04	1986-08-20
1987	1987-04-18	1987-09-27
1988	1988-05-27	1988-09-18
1989	1989-04-23	1989-10-01
1990	1990-04-23	1990-10-06
1991	1991-05-15	1991-10-17
1992	1992-05-01	1992-10-03
1993	1993-06-22	1993-10-07
1994	1994-05-13	1994-09-11
1996	1996-06-10	1996-09-09
1997	1997-05-17	1997-10-02
1998	1998-06-24	1998-09-18
1999	1999-06-21	1999-08-31
2000	2000-05-04	2000-09-28
2001	2001-04-28	2001-09-06
2004	2004-05-09	2004-09-24
2006	2006-05-19	2006-09-15
2007	2007-05-14	2007-09-30
2008	2008-04-16	2008-09-17
2009	2009-04-24	2009-08-25
2010	2010-05-23	2010-10-09
2011	2011-06-06	2011-10-05
2014	2014-05-30	2014-09-28
2015	2015-05-03	2015-10-12
2016	2016-05-06	2016-09-19
2017	2017-05-08	2017-09-13
2018	2018-05-17	2018-09-16
2019	2019-04-21	2019-08-07
2021	2021-06-04	2021-09-29

Every Fixed Threshold

Fixed thresholds at Gettysburg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	83	1959	55
35 C (95 F): Days	80	50	1936	16
40 C (104 F): Days	38	21	1936	1
45 C (113 F): Days	3	1	1934	1
90 F (32.2 C): Days	82	67	1959	35
100 F (37.8 C): Days	63	33	1936	1
110 F (43.3 C): Days	6	4	1936	1
0 C (32 F): Ice days (max	82	102	1937	42
0 C (32 F): Frost days (min	81	192	1966	148
-10 C (14 F): Days with min	81	108	1955	48
-20 C (-4 F): Days with min	81	50	1978	18
-30 C (-22 F): Days with min	57	15	1936	4
20 C (68 F): Tropical nights (min	73	45	1933	2
25 C (77 F): Days with min	8	8	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	80	25	1996	13
25 mm (0.98 in): Days with 25 mm or more rain	74	9	2019	2
50 mm (1.97 in): Days with 50 mm or more rain	32	3	1956	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	8	1987	8
25 cm (9.8 in): Days with 25 cm or more snowfall	12	4	2001	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Gettysburg 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).

Gettysburg Threshold Days by Year (USC00393294)

Key Facts for Gettysburg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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