Galva Threshold Days by Year (USC00113335)

20 fixed thresholds counted per year at Galva (USC00113335): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Galva Thresholds

Galva: days with a maximum temperature at or above 30 C (86 F) in 128 years, most in 1936 with 92.
Galva: days with a maximum temperature at or above 90 F (32.2 C) in 128 years, most in 1936 with 62.
Galva: days with a maximum temperature at or below 0 C (32 F) in 128 years, most in 1978 with 78.
Galva: nights with a minimum temperature at or below 0 C (32 F) in 127 years, most in 1907 with 164.
20 fixed thresholds have at least one qualifying day at Galva.

Days at or above 30 C (86 F)

128 years with a qualifying day

Days per year at Galva with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 92 in 1936.

Days at or above 30 C (86 F) per year at Galva
Year	Days	Decade average
1893	79	65.3
1894	77	65.3
1895	76	65.3
1896	53	65.3
1897	72	65.3
1898	41	65.3
1899	59	65.3
1900	59	46.1
1901	47	46.1
1902	33	46.1
1903	30	46.1
1904	27	46.1
1905	49	46.1
1906	63	46.1
1907	36	46.1
1908	60	46.1
1909	57	46.1
1910	58	56.1
1911	71	56.1
1912	51	56.1
1913	70	56.1
1914	73	56.1
1915	25	56.1
1916	63	56.1
1917	36	56.1
1918	40	56.1
1919	74	56.1
1920	60	54.2
1921	76	54.2
1922	66	54.2
1923	61	54.2
1924	29	54.2
1925	65	54.2
1926	48	54.2
1927	49	54.2
1928	41	54.2
1929	47	54.2
1930	71	70.6
1931	72	70.6
1932	51	70.6
1933	78	70.6
1934	83	70.6
1935	65	70.6
1936	92	70.6
1937	67	70.6
1938	62	70.6
1939	65	70.6
1940	56	59.8
1941	64	59.8
1942	52	59.8
1943	69	59.8
1944	79	59.8
1945	42	59.8
1946	53	59.8
1947	67	59.8
1948	54	59.8
1949	62	59.8
1950	31	54.7
1951	36	54.7
1952	69	54.7
1953	78	54.7
1954	68	54.7
1955	72	54.7
1956	54	54.7
1957	43	54.7
1958	29	54.7
1959	67	54.7
1960	39	43.8
1961	51	43.8
1962	47	43.8
1963	57	43.8
1964	56	43.8
1965	31	43.8
1966	48	43.8
1967	20	43.8
1968	50	43.8
1969	39	43.8
1970	39	42.6
1971	59	42.6
1972	41	42.6
1973	39	42.6
1974	30	42.6
1975	43	42.6
1976	37	42.6
1977	47	42.6
1978	52	42.6
1979	39	42.6
1980	51	45.9
1981	28	45.9
1982	30	45.9
1983	77	45.9
1984	46	45.9
1985	31	45.9
1986	39	45.9
1987	56	45.9
1988	68	45.9
1989	33	45.9
1990	28	37.7
1991	61	37.7
1992	18	37.7
1993	32	37.7
1995	49	37.7
1996	30	37.7
1997	36	37.7
1998	41	37.7
1999	44	37.7
2000	40	36.7
2001	42	36.7
2002	62	36.7
2003	29	36.7
2004	20	36.7
2006	43	36.7
2007	55	36.7
2008	24	36.7
2009	15	36.7
2010	52	39.8
2012	65	39.8
2014	24	39.8
2015	21	39.8
2016	37	39.8
2017	41	39.8
2018	47	39.8
2019	31	39.8
2021	28	26.6
2022	24	26.6
2024	34	26.6
2025	41	26.6
2026	6	26.6

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

First to last qualifying date each year at Galva
Year	First date	Last date
1893	1893-04-07	1893-09-21
1894	1894-04-17	1894-09-14
1895	1895-04-25	1895-09-22
1896	1896-04-16	1896-09-10
1897	1897-06-10	1897-10-15
1898	1898-06-03	1898-09-29
1899	1899-04-29	1899-10-13
1900	1900-05-13	1900-10-04
1901	1901-04-29	1901-09-28
1902	1902-04-21	1902-08-29
1903	1903-05-16	1903-09-15
1904	1904-05-23	1904-09-29
1905	1905-05-11	1905-09-30
1906	1906-05-17	1906-09-22
1907	1907-06-16	1907-09-20
1908	1908-05-18	1908-09-26
1909	1909-05-06	1909-09-21
1910	1910-03-24	1910-10-17
1911	1911-05-10	1911-09-15
1912	1912-05-23	1912-09-11
1913	1913-05-01	1913-09-08
1914	1914-04-27	1914-09-21
1915	1915-04-21	1915-09-14
1916	1916-05-08	1916-10-08
1917	1917-05-19	1917-09-16
1918	1918-05-05	1918-08-27
1919	1919-05-29	1919-10-01
1920	1920-06-08	1920-09-26
1921	1921-05-20	1921-09-22
1922	1922-05-10	1922-10-05
1923	1923-06-03	1923-09-05
1924	1924-05-05	1924-08-30
1925	1925-04-22	1925-09-19
1926	1926-04-30	1926-09-18
1927	1927-06-19	1927-09-17
1928	1928-05-02	1928-10-11
1929	1929-04-05	1929-09-28
1930	1930-04-10	1930-10-10
1931	1931-04-08	1931-09-22
1932	1932-05-14	1932-09-19
1933	1933-06-02	1933-09-30
1934	1934-05-05	1934-09-20
1935	1935-06-12	1935-09-24
1936	1936-04-20	1936-09-23
1937	1937-05-29	1937-10-01
1938	1938-05-03	1938-10-10
1939	1939-05-23	1939-10-07
1940	1940-05-13	1940-10-05
1941	1941-05-15	1941-09-24
1942	1942-04-29	1942-09-18
1943	1943-05-05	1943-09-05
1944	1944-05-15	1944-09-18
1945	1945-06-23	1945-09-19
1946	1946-06-07	1946-10-06
1947	1947-06-09	1947-10-21
1948	1948-04-24	1948-09-19
1949	1949-05-03	1949-10-09
1950	1950-05-23	1950-10-18
1951	1951-05-15	1951-10-04
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-21
1954	1954-04-25	1954-10-03
1955	1955-05-03	1955-09-19
1956	1956-05-11	1956-10-17
1957	1957-06-05	1957-09-19
1958	1958-05-11	1958-09-24
1959	1959-05-02	1959-09-22
1960	1960-04-23	1960-09-08
1961	1961-05-31	1961-09-12
1962	1962-04-26	1962-10-11
1963	1963-05-08	1963-10-15
1964	1964-05-17	1964-09-20
1965	1965-05-07	1965-09-19
1966	1966-05-05	1966-09-02
1967	1967-05-25	1967-10-04
1968	1968-05-02	1968-10-16
1969	1969-05-03	1969-10-04
1970	1970-04-28	1970-09-22
1971	1971-05-18	1971-10-03
1972	1972-05-20	1972-09-21
1973	1973-06-10	1973-09-03
1974	1974-05-22	1974-08-27
1975	1975-05-19	1975-09-02
1976	1976-06-08	1976-10-03
1977	1977-04-17	1977-09-01
1978	1978-05-26	1978-09-20
1979	1979-05-09	1979-09-12
1980	1980-04-23	1980-09-21
1981	1981-04-28	1981-10-01
1982	1982-05-18	1982-10-02
1983	1983-06-10	1983-09-30
1984	1984-05-19	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-04-26	1986-09-26
1987	1987-04-21	1987-09-06
1988	1988-05-22	1988-09-23
1989	1989-05-30	1989-08-28
1990	1990-06-13	1990-09-28
1991	1991-05-14	1991-09-16
1992	1992-05-02	1992-08-26
1993	1993-05-10	1993-09-13
1995	1995-06-07	1995-09-05
1996	1996-05-18	1996-08-22
1997	1997-05-17	1997-10-08
1998	1998-05-17	1998-09-27
1999	1999-05-28	1999-09-26
2000	2000-05-08	2000-09-17
2001	2001-05-15	2001-09-06
2002	2002-04-15	2002-09-29
2003	2003-06-19	2003-09-06
2004	2004-04-16	2004-09-14
2006	2006-05-24	2006-10-03
2007	2007-05-01	2007-10-07
2008	2008-06-02	2008-09-02
2009	2009-06-17	2009-08-15
2010	2010-05-23	2010-10-09
2012	2012-05-20	2012-09-13
2014	2014-05-08	2014-09-05
2015	2015-06-10	2015-09-18
2016	2016-05-31	2016-10-18
2017	2017-05-16	2017-09-28
2018	2018-05-24	2018-10-04
2019	2019-05-17	2019-10-02
2021	2021-05-25	2021-10-01
2022	2022-05-11	2022-09-21
2024	2024-05-19	2024-09-22
2025	2025-05-16	2025-10-04
2026	2026-05-28	2026-06-30

Every Fixed Threshold

Fixed thresholds at Galva
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	128	92	1936	6
35 C (95 F): Days	96	40	1936	1
40 C (104 F): Days	8	12	1936	1
90 F (32.2 C): Days	128	62	1936	2
100 F (37.8 C): Days	31	22	1936	5
110 F (43.3 C): Days	1	4	1936	4
0 C (32 F): Ice days (max	128	78	1978	6
0 C (32 F): Frost days (min	127	164	1907	38
-10 C (14 F): Days with min	127	75	1978	5
-20 C (-4 F): Days with min	120	29	1977	2
-30 C (-22 F): Days with min	13	4	2019	4
20 C (68 F): Tropical nights (min	127	44	1931	4
25 C (77 F): Days with min	28	7	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	122	45	2019	21
25 mm (0.98 in): Days with 25 mm or more rain	122	19	1998	5
50 mm (1.97 in): Days with 50 mm or more rain	90	4	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1898	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1924	1
10 cm (3.9 in): Days with 10 cm or more snowfall	92	7	2000	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Galva 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Galva Threshold Days by Year (USC00113335)

Key Facts for Galva Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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