Hollister 1 SW Threshold Days by Year (USC00044022)

13 fixed thresholds counted per year at Hollister 1 SW (USC00044022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hollister 1 SW Thresholds

Hollister 1 SW: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1936 with 72.
Hollister 1 SW: days with a maximum temperature at or above 90 F (32.2 C) in 79 years, most in 1936 with 43.
Hollister 1 SW: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1971 with 91.
Hollister 1 SW: days with a maximum temperature at or above 35 C (95 F) in 77 years, most in 1903 with 21.
13 fixed thresholds have at least one qualifying day at Hollister 1 SW.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Hollister 1 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1936.

Days at or above 30 C (86 F) per year at Hollister 1 SW
Year	Days	Decade average
1895	39	38.8
1896	23	38.8
1897	45	38.8
1898	41	38.8
1899	46	38.8
1900	34	40.6
1901	35	40.6
1902	41	40.6
1903	57	40.6
1904	58	40.6
1905	38	40.6
1906	59	40.6
1907	18	40.6
1908	31	40.6
1909	35	40.6
1910	28	25.2
1911	18	25.2
1912	35	25.2
1913	36	25.2
1914	16	25.2
1915	21	25.2
1916	18	25.2
1917	37	25.2
1918	21	25.2
1919	22	25.2
1920	23	29
1921	27	29
1922	30	29
1923	18	29
1924	25	29
1925	19	29
1926	35	29
1927	21	29
1928	39	29
1929	53	29
1930	30	48.2
1931	57	48.2
1932	39	48.2
1933	43	48.2
1934	42	48.2
1935	44	48.2
1936	72	48.2
1937	56	48.2
1938	40	48.2
1939	59	48.2
1940	40	50
1941	36	50
1942	32	50
1943	49	50
1944	45	50
1945	67	50
1946	55	50
1947	64	50
1948	49	50
1949	63	50
1950	50	42.7
1951	43	42.7
1952	41	42.7
1953	35	42.7
1954	41	42.7
1955	42	42.7
1956	41	42.7
1957	55	42.7
1958	37	42.7
1959	42	42.7
1960	34	42.3
1961	54	42.3
1962	33	42.3
1963	27	42.3
1964	45	42.3
1965	39	42.3
1966	52	42.3
1967	49	42.3
1968	44	42.3
1969	46	42.3
1970	50	50.3
1971	50	50.3
1972	51	50.3
1973	50	50.3

For each year, a bar from the first to the last day at Hollister 1 SW meeting 30 C (86 F).

First to last qualifying date each year at Hollister 1 SW
Year	First date	Last date
1895	1895-05-11	1895-10-10
1896	1896-05-25	1896-10-05
1897	1897-04-09	1897-10-04
1898	1898-06-03	1898-11-05
1899	1899-03-06	1899-10-09
1900	1900-05-20	1900-11-13
1901	1901-05-31	1901-10-22
1902	1902-04-14	1902-10-09
1903	1903-05-28	1903-10-30
1904	1904-04-09	1904-10-03
1905	1905-05-14	1905-10-11
1906	1906-06-17	1906-10-27
1907	1907-05-15	1907-10-04
1908	1908-04-10	1908-10-25
1909	1909-05-30	1909-10-25
1910	1910-04-22	1910-09-30
1911	1911-05-21	1911-10-19
1912	1912-05-28	1912-10-18
1913	1913-04-10	1913-10-21
1914	1914-06-26	1914-10-27
1915	1915-05-27	1915-10-28
1916	1916-06-06	1916-09-27
1917	1917-06-12	1917-10-22
1918	1918-05-01	1918-10-12
1919	1919-05-27	1919-09-24
1920	1920-05-17	1920-09-28
1921	1921-04-27	1921-11-05
1922	1922-05-13	1922-09-24
1923	1923-05-08	1923-10-21
1924	1924-04-19	1924-10-03
1925	1925-05-02	1925-10-21
1926	1926-04-24	1926-10-27
1927	1927-04-23	1927-10-19
1928	1928-04-29	1928-10-08
1929	1929-05-11	1929-10-23
1930	1930-05-22	1930-10-18
1931	1931-04-06	1931-10-30
1932	1932-04-10	1932-10-01
1933	1933-04-02	1933-10-23
1934	1934-04-06	1934-10-26
1935	1935-04-25	1935-10-27
1936	1936-04-10	1936-10-14
1937	1937-03-03	1937-10-25
1938	1938-04-18	1938-09-21
1939	1939-04-06	1939-10-30
1940	1940-03-06	1940-10-19
1941	1941-04-27	1941-10-17
1942	1942-05-19	1942-10-21
1943	1943-05-01	1943-10-14
1944	1944-05-04	1944-10-26
1945	1945-04-23	1945-11-04
1946	1946-03-09	1946-10-25
1947	1947-03-14	1947-10-19
1948	1948-05-15	1948-10-27
1949	1949-04-04	1949-11-04
1950	1950-03-30	1950-10-13
1951	1951-03-24	1951-10-14
1952	1952-04-17	1952-11-04
1953	1953-03-07	1953-10-07
1954	1954-04-17	1954-10-28
1955	1955-05-10	1955-11-10
1956	1956-04-06	1956-11-10
1957	1957-04-05	1957-10-09
1958	1958-05-14	1958-10-29
1959	1959-04-01	1959-10-24
1960	1960-03-19	1960-10-05
1961	1961-04-02	1961-10-17
1962	1962-04-11	1962-11-01
1963	1963-05-16	1963-09-29
1964	1964-04-13	1964-10-22
1965	1965-03-21	1965-10-30
1966	1966-03-31	1966-11-01
1967	1967-05-07	1967-11-02
1968	1968-04-10	1968-10-26
1969	1969-05-29	1969-10-06
1970	1970-05-02	1970-10-10
1971	1971-06-14	1971-10-13
1972	1972-03-16	1972-10-07
1973	1973-05-10	1973-10-16

Every Fixed Threshold

Fixed thresholds at Hollister 1 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	72	1936	50
35 C (95 F): Days	77	21	1903	16
40 C (104 F): Days	26	6	1939	5
45 C (113 F): Days	1	1	1972	1
90 F (32.2 C): Days	79	43	1936	32
100 F (37.8 C): Days	61	9	1939	9
110 F (43.3 C): Days	4	2	1971	1
0 C (32 F): Frost days (min	79	91	1971	72
-10 C (14 F): Days with min	1	1	1973	1
20 C (68 F): Tropical nights (min	4	2	1939	2
10 mm (0.39 in): Days with 10 mm or more rain	63	23	1907	18
25 mm (0.98 in): Days with 25 mm or more rain	46	8	1906	1
50 mm (1.97 in): Days with 50 mm or more rain	6	2	1906	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Hollister 1 SW 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).

Hollister 1 SW Threshold Days by Year (USC00044022)

Key Facts for Hollister 1 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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