Geary Threshold Days by Year (USC00343497)

20 fixed thresholds counted per year at Geary (USC00343497): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Geary Thresholds

Geary: days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1941 with 41.
Geary: days with 25 mm (0.98 in) or more of precipitation in 103 years, most in 2007 with 18.
Geary: days with a maximum temperature at or above 30 C (86 F) in 91 years, most in 1956 with 152.
Geary: days with a maximum temperature at or above 35 C (95 F) in 91 years, most in 1954 with 88.
20 fixed thresholds have at least one qualifying day at Geary.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Geary with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 152 in 1956.

Days at or above 30 C (86 F) per year at Geary
Year	Days	Decade average
1912	107	108.1
1913	113	108.1
1914	108	108.1
1915	72	108.1
1916	124	108.1
1917	115	108.1
1918	127	108.1
1919	99	108.1
1920	89	107.8
1921	117	107.8
1922	118	107.8
1923	99	107.8
1924	103	107.8
1925	126	107.8
1926	106	107.8
1927	108	107.8
1928	111	107.8
1929	101	107.8
1930	110	118.2
1931	124	118.2
1932	107	118.2
1933	128	118.2
1934	112	118.2
1935	96	118.2
1936	125	118.2
1937	117	118.2
1938	126	118.2
1939	137	118.2
1940	105	106.8
1941	87	106.8
1942	95	106.8
1943	117	106.8
1944	101	106.8
1945	106	106.8
1946	101	106.8
1947	133	106.8
1948	124	106.8
1949	99	106.8
1950	89	118.4
1951	112	118.4
1952	131	118.4
1953	128	118.4
1954	128	118.4
1955	120	118.4
1956	152	118.4
1957	93	118.4
1958	111	118.4
1959	120	118.4
1960	117	110.7
1961	100	110.7
1962	122	110.7
1963	142	110.7
1964	110	110.7
1965	110	110.7
1966	106	110.7
1967	97	110.7
1968	95	110.7
1969	108	110.7
1970	120	108.4
1971	108	108.4
1972	128	108.4
1974	86	108.4
1975	98	108.4
1976	101	108.4
1977	113	108.4
1978	116	108.4
1979	106	108.4
1980	117	96.8
1981	99	96.8
1982	94	96.8
1984	109	96.8
1985	99	96.8
1986	87	96.8
1987	106	96.8
1988	82	96.8
1989	78	96.8
1990	97	93.3
1991	93	93.3
1992	73	93.3
1993	97	93.3
1994	116	93.3
1995	87	93.3
1996	75	93.3
1997	84	93.3
1998	118	93.3
2000	93	94.2
2004	78	94.2
2005	104	94.2
2006	112	94.2
2007	85	94.2
2008	93	94.2

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

First to last qualifying date each year at Geary
Year	First date	Last date
1912	1912-03-19	1912-10-09
1913	1913-04-16	1913-09-30
1914	1914-04-16	1914-10-17
1915	1915-04-28	1915-10-28
1916	1916-03-05	1916-10-08
1917	1917-02-25	1917-10-16
1918	1918-02-23	1918-10-08
1919	1919-06-06	1919-10-03
1920	1920-05-01	1920-10-09
1921	1921-04-23	1921-10-23
1922	1922-04-16	1922-10-27
1923	1923-05-10	1923-09-29
1924	1924-04-08	1924-11-06
1925	1925-03-07	1925-10-03
1926	1926-05-16	1926-10-18
1927	1927-04-09	1927-10-27
1928	1928-03-25	1928-10-14
1929	1929-03-23	1929-10-06
1930	1930-04-09	1930-10-09
1931	1931-05-15	1931-10-11
1932	1932-04-02	1932-10-19
1933	1933-04-04	1933-10-10
1934	1934-03-20	1934-11-07
1935	1935-04-14	1935-10-14
1936	1936-04-12	1936-10-19
1937	1937-04-16	1937-10-30
1938	1938-04-30	1938-10-28
1939	1939-04-09	1939-10-27
1940	1940-03-31	1940-10-23
1941	1941-05-14	1941-09-23
1942	1942-04-04	1942-10-12
1943	1943-04-03	1943-10-09
1944	1944-05-13	1944-10-25
1945	1945-05-08	1945-11-06
1946	1946-03-29	1946-09-10
1947	1947-04-30	1947-10-20
1948	1948-04-07	1948-10-16
1949	1949-04-08	1949-10-09
1950	1950-04-02	1950-10-29
1951	1951-03-23	1951-10-04
1952	1952-04-07	1952-10-26
1953	1953-04-22	1953-10-12
1954	1954-04-06	1954-10-18
1955	1955-03-03	1955-12-24
1956	1956-03-05	1956-10-12
1957	1957-05-14	1957-10-05
1958	1958-04-23	1958-10-20
1959	1959-03-24	1959-09-27
1960	1960-03-31	1960-10-11
1961	1961-04-19	1961-09-29
1962	1962-02-11	1962-10-15
1963	1963-03-28	1963-10-15
1964	1964-04-12	1964-10-21
1965	1965-04-21	1965-10-10
1966	1966-03-31	1966-10-13
1967	1967-03-11	1967-10-06
1968	1968-05-01	1968-10-14
1969	1969-04-08	1969-10-03
1970	1970-04-27	1970-10-07
1971	1971-03-13	1971-09-29
1972	1972-04-06	1972-10-17
1974	1974-03-31	1974-09-10
1975	1975-04-17	1975-10-13
1976	1976-03-19	1976-10-02
1977	1977-05-08	1977-10-26
1978	1978-04-01	1978-10-21
1979	1979-05-07	1979-10-21
1980	1980-04-20	1980-11-09
1981	1981-04-24	1981-10-14
1982	1982-04-12	1982-10-08
1984	1984-05-10	1984-09-25
1985	1985-05-23	1985-09-21
1986	1986-04-25	1986-09-27
1987	1987-04-17	1987-09-25
1988	1988-05-13	1988-10-17
1989	1989-03-11	1989-10-14
1990	1990-05-14	1990-10-05
1991	1991-03-05	1991-10-17
1992	1992-04-22	1992-10-13
1993	1993-04-12	1993-10-06
1994	1994-03-17	1994-10-06
1995	1995-03-22	1995-10-14
1996	1996-02-22	1996-09-23
1997	1997-03-21	1997-10-05
1998	1998-04-25	1998-09-26
2000	2000-05-07	2000-10-03
2004	2004-04-17	2004-10-22
2005	2005-05-11	2005-10-19
2006	2006-03-02	2006-10-04
2007	2007-05-05	2007-10-09
2008	2008-04-22	2008-09-29

Every Fixed Threshold

Fixed thresholds at Geary
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	152	1956	93
35 C (95 F): Days	91	88	1954	22
40 C (104 F): Days	61	28	1934	1
45 C (113 F): Days	3	3	1936	1
90 F (32.2 C): Days	91	122	1956	66
100 F (37.8 C): Days	85	58	1954	7
110 F (43.3 C): Days	12	7	1936	1
0 C (32 F): Ice days (max	90	30	1978	8
0 C (32 F): Frost days (min	91	105	1912	87
-10 C (14 F): Days with min	88	27	1979	11
-20 C (-4 F): Days with min	16	3	1912	2
20 C (68 F): Tropical nights (min	91	99	1954	63
25 C (77 F): Days with min	67	33	1936	6
10 mm (0.39 in): Days with 10 mm or more rain	103	41	1941	16
25 mm (0.98 in): Days with 25 mm or more rain	103	18	2007	5
50 mm (1.97 in): Days with 50 mm or more rain	89	8	2007	3
100 mm (3.94 in): Days with 100 mm or more rain	11	2	2026	2
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1948	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	5	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Geary 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Geary Threshold Days by Year (USC00343497)

Key Facts for Geary Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related