Pollock Threshold Days by Year (USC00396712)

20 fixed thresholds counted per year at Pollock (USC00396712): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pollock Thresholds

Pollock: days with a maximum temperature at or above 30 C (86 F) in 109 years, most in 1936 with 88.
Pollock: days with a maximum temperature at or above 90 F (32.2 C) in 109 years, most in 1936 with 66.
Pollock: days with a maximum temperature at or below 0 C (32 F) in 109 years, most in 1996 with 104.
Pollock: nights with a minimum temperature at or below 0 C (32 F) in 109 years, most in 1917 with 210.
20 fixed thresholds have at least one qualifying day at Pollock.

Days at or above 30 C (86 F)

109 years with a qualifying day

Days per year at Pollock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 88 in 1936.

Days at or above 30 C (86 F) per year at Pollock
Year	Days	Decade average
1911	49	47.4
1912	47	47.4
1913	66	47.4
1914	50	47.4
1915	22	47.4
1916	38	47.4
1917	45	47.4
1919	62	47.4
1920	51	48.9
1921	70	48.9
1922	62	48.9
1923	42	48.9
1924	27	48.9
1925	49	48.9
1926	60	48.9
1927	30	48.9
1928	37	48.9
1929	61	48.9
1930	59	66.6
1931	65	66.6
1932	42	66.6
1933	72	66.6
1934	87	66.6
1935	58	66.6
1936	88	66.6
1937	54	66.6
1938	64	66.6
1939	77	66.6
1940	60	43.4
1941	55	43.4
1942	23	43.4
1943	40	43.4
1944	41	43.4
1945	31	43.4
1946	36	43.4
1947	52	43.4
1948	46	43.4
1949	50	43.4
1951	17	46.7
1952	63	46.7
1953	41	46.7
1954	26	46.7
1955	72	46.7
1956	46	46.7
1957	43	46.7
1958	41	46.7
1959	71	46.7
1960	54	44
1961	67	44
1962	26	44
1963	57	44
1964	44	44
1965	22	44
1966	51	44
1967	43	44
1968	31	44
1969	45	44
1970	71	52.4
1971	40	52.4
1972	46	52.4
1977	48	52.4
1978	57	52.4
1980	68	57
1981	39	57
1982	47	57
1983	64	57
1984	53	57
1985	53	57
1986	40	57
1987	58	57
1988	81	57
1989	67	57
1990	60	37.5
1991	47	37.5
1992	24	37.5
1993	14	37.5
1994	26	37.5
1995	43	37.5
1996	39	37.5
1997	45	37.5
1998	47	37.5
1999	30	37.5
2000	52	52.1
2001	51	52.1
2002	69	52.1
2003	63	52.1
2004	35	52.1
2005	52	52.1
2006	75	52.1
2007	55	52.1
2008	46	52.1
2009	23	52.1
2010	37	41.8
2011	41	41.8
2012	64	41.8
2013	39	41.8
2014	20	41.8
2015	47	41.8
2016	49	41.8
2017	47	41.8
2018	51	41.8
2019	23	41.8
2020	51	50
2021	67	50
2022	49	50
2023	42	50
2024	44	50
2025	39	50
2026	58	50

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

First to last qualifying date each year at Pollock
Year	First date	Last date
1911	1911-04-27	1911-09-02
1912	1912-05-10	1912-10-05
1913	1913-04-16	1913-10-30
1914	1914-06-04	1914-10-17
1915	1915-04-15	1915-09-08
1916	1916-05-07	1916-10-01
1917	1917-05-15	1917-09-24
1919	1919-05-24	1919-09-18
1920	1920-06-08	1920-10-07
1921	1921-04-03	1921-09-03
1922	1922-06-04	1922-10-04
1923	1923-04-18	1923-09-21
1924	1924-06-21	1924-09-04
1925	1925-05-19	1925-09-22
1926	1926-04-15	1926-09-16
1927	1927-06-23	1927-10-21
1928	1928-05-06	1928-09-14
1929	1929-05-25	1929-09-22
1930	1930-05-03	1930-09-22
1931	1931-05-14	1931-09-29
1932	1932-05-13	1932-09-14
1933	1933-05-31	1933-10-14
1934	1934-04-28	1934-10-12
1935	1935-06-13	1935-09-23
1936	1936-05-05	1936-10-08
1937	1937-05-17	1937-10-03
1938	1938-04-30	1938-10-03
1939	1939-04-30	1939-09-21
1940	1940-05-11	1940-09-20
1941	1941-05-13	1941-09-19
1942	1942-07-07	1942-10-11
1943	1943-05-28	1943-09-01
1944	1944-05-13	1944-09-08
1945	1945-06-21	1945-10-16
1946	1946-06-05	1946-09-14
1947	1947-07-02	1947-10-21
1948	1948-05-18	1948-09-18
1949	1949-05-12	1949-09-25
1951	1951-07-14	1951-10-02
1952	1952-04-26	1952-09-27
1953	1953-06-02	1953-10-01
1954	1954-05-20	1954-07-28
1955	1955-05-01	1955-10-10
1956	1956-05-21	1956-10-12
1957	1957-05-02	1957-08-31
1958	1958-05-10	1958-10-19
1959	1959-04-30	1959-09-14
1960	1960-05-13	1960-10-08
1961	1961-04-19	1961-10-16
1962	1962-04-24	1962-09-07
1963	1963-05-07	1963-10-05
1964	1964-05-20	1964-09-01
1965	1965-07-04	1965-08-16
1966	1966-05-04	1966-09-12
1967	1967-05-22	1967-09-22
1968	1968-04-30	1968-09-15
1969	1969-05-14	1969-09-14
1970	1970-05-07	1970-10-05
1971	1971-06-13	1971-09-13
1972	1972-05-15	1972-09-20
1977	1977-04-09	1977-09-14
1978	1978-05-22	1978-09-25
1980	1980-04-20	1980-10-08
1981	1981-06-26	1981-09-12
1982	1982-05-03	1982-09-11
1983	1983-05-27	1983-09-27
1984	1984-05-16	1984-09-21
1985	1985-04-29	1985-09-05
1986	1986-05-04	1986-08-30
1987	1987-04-18	1987-09-23
1988	1988-05-25	1988-09-11
1989	1989-04-22	1989-09-30
1990	1990-04-22	1990-10-05
1991	1991-05-14	1991-10-16
1992	1992-04-30	1992-10-01
1993	1993-06-12	1993-10-06
1994	1994-05-17	1994-09-10
1995	1995-06-14	1995-09-28
1996	1996-06-11	1996-09-09
1997	1997-05-17	1997-10-02
1998	1998-05-17	1998-09-19
1999	1999-05-29	1999-08-31
2000	2000-05-04	2000-09-29
2001	2001-04-28	2001-09-06
2002	2002-05-28	2002-09-17
2003	2003-04-13	2003-10-19
2004	2004-05-11	2004-09-19
2005	2005-05-20	2005-10-01
2006	2006-05-18	2006-10-07
2007	2007-05-18	2007-09-29
2008	2008-04-15	2008-09-20
2009	2009-04-23	2009-09-18
2010	2010-05-28	2010-10-08
2011	2011-06-06	2011-10-05
2012	2012-04-01	2012-09-15
2013	2013-05-13	2013-09-22
2014	2014-05-28	2014-09-27
2015	2015-05-02	2015-10-11
2016	2016-05-05	2016-09-12
2017	2017-05-07	2017-09-13
2018	2018-05-16	2018-09-13
2019	2019-06-04	2019-09-20
2020	2020-05-30	2020-09-22
2021	2021-06-03	2021-09-28
2022	2022-06-18	2022-09-27
2023	2023-05-23	2023-10-01
2024	2024-05-17	2024-09-30
2025	2025-05-10	2025-10-03
2026	2026-04-22	2026-09-10

Every Fixed Threshold

Fixed thresholds at Pollock
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	109	88	1936	58
35 C (95 F): Days	106	48	1936	18
40 C (104 F): Days	42	17	1936	1
45 C (113 F): Days	2	1	1934	1
90 F (32.2 C): Days	109	66	1936	38
100 F (37.8 C): Days	82	29	1936	10
110 F (43.3 C): Days	5	5	1936	2
0 C (32 F): Ice days (max	109	104	1996	32
0 C (32 F): Frost days (min	109	210	1917	107
-10 C (14 F): Days with min	109	116	1955	33
-20 C (-4 F): Days with min	109	62	1978	9
-30 C (-22 F): Days with min	101	28	1936	1
-40 C (-40 F): Days with min	17	3	1917	1
20 C (68 F): Tropical nights (min	102	20	1936	10
25 C (77 F): Days with min	12	5	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	108	21	1946	9
25 mm (0.98 in): Days with 25 mm or more rain	100	9	1915	2
50 mm (1.97 in): Days with 50 mm or more rain	33	2	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	66	11	2019	2
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1995	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Pollock 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).

Pollock Threshold Days by Year (USC00396712)

Key Facts for Pollock Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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