Winter Threshold Days by Year (USC00479304)

19 fixed thresholds counted per year at Winter (USC00479304): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Winter Thresholds

Winter: nights with a minimum temperature at or below 0 C (32 F) in 97 years, most in 1917 with 233.
Winter: nights with a minimum temperature at or below -10 C (14 F) in 97 years, most in 1926 with 123.
Winter: nights with a minimum temperature at or below -20 C (-4 F) in 97 years, most in 1950 with 69.
Winter: days with a maximum temperature at or below 0 C (32 F) in 95 years, most in 1926 with 120.
19 fixed thresholds have at least one qualifying day at Winter.

Days at or above 30 C (86 F)

94 years with a qualifying day

Days per year at Winter with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1921.

Days at or above 30 C (86 F) per year at Winter
Year	Days	Decade average
1915	2	12.8
1916	29	12.8
1917	12	12.8
1918	10	12.8
1919	11	12.8
1920	8	12
1921	40	12
1922	15	12
1926	2	12
1927	6	12
1928	4	12
1929	9	12
1930	17	19
1931	28	19
1932	14	19
1933	20	19
1934	26	19
1935	10	19
1936	28	19
1937	25	19
1938	8	19
1939	14	19
1940	8	13.3
1941	13	13.3
1942	4	13.3
1943	20	13.3
1944	9	13.3
1945	12	13.3
1947	20	13.3
1949	20	13.3
1950	6	7.3
1951	2	7.3
1952	4	7.3
1953	10	7.3
1954	3	7.3
1955	20	7.3
1956	5	7.3
1957	9	7.3
1958	3	7.3
1959	11	7.3
1960	6	9.3
1961	13	9.3
1962	2	9.3
1963	15	9.3
1964	21	9.3
1965	6	9.3
1966	15	9.3
1967	2	9.3
1968	8	9.3
1969	5	9.3
1970	14	6.3
1971	2	6.3
1972	1	6.3
1973	3	6.3
1974	7	6.3
1975	9	6.3
1976	16	6.3
1977	5	6.3
1978	5	6.3
1979	1	6.3
1980	8	11.8
1981	2	11.8
1983	9	11.8
1987	13	11.8
1988	27	11.8
1990	5	7.7
1991	12	7.7
1992	5	7.7
1993	3	7.7
1994	2	7.7
1995	13	7.7
1996	5	7.7
1997	7	7.7
1998	13	7.7
1999	12	7.7
2000	6	14.8
2001	19	14.8
2002	14	14.8
2003	14	14.8
2005	21	14.8
2006	18	14.8
2007	23	14.8
2009	3	14.8
2010	9	6.8
2011	7	6.8
2012	18	6.8
2013	7	6.8
2014	1	6.8
2015	2	6.8
2016	5	6.8
2017	3	6.8
2018	12	6.8
2019	4	6.8
2020	8	8

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

First to last qualifying date each year at Winter
Year	First date	Last date
1915	1915-07-13	1915-09-05
1916	1916-07-01	1916-08-21
1917	1917-07-20	1917-08-19
1918	1918-05-05	1918-08-26
1919	1919-05-27	1919-07-26
1920	1920-06-12	1920-09-26
1921	1921-05-20	1921-09-01
1922	1922-05-10	1922-09-07
1926	1926-05-09	1926-08-03
1927	1927-06-29	1927-09-15
1928	1928-07-08	1928-08-16
1929	1929-05-29	1929-09-04
1930	1930-07-10	1930-09-24
1931	1931-04-13	1931-09-13
1932	1932-05-15	1932-08-31
1933	1933-06-06	1933-08-24
1934	1934-05-10	1934-08-19
1935	1935-07-04	1935-08-01
1936	1936-05-17	1936-09-23
1937	1937-05-31	1937-09-24
1938	1938-06-23	1938-08-15
1939	1939-05-23	1939-09-16
1940	1940-06-03	1940-09-20
1941	1941-06-26	1941-08-08
1942	1942-07-13	1942-08-22
1943	1943-06-20	1943-08-24
1944	1944-06-02	1944-08-13
1945	1945-06-23	1945-09-07
1947	1947-07-11	1947-09-09
1949	1949-05-04	1949-08-27
1950	1950-06-07	1950-08-17
1951	1951-07-26	1951-07-27
1952	1952-06-08	1952-09-13
1953	1953-05-30	1953-09-03
1954	1954-07-20	1954-07-28
1955	1955-07-01	1955-09-19
1956	1956-06-10	1956-06-14
1957	1957-06-18	1957-08-03
1958	1958-06-30	1958-08-10
1959	1959-05-03	1959-09-09
1960	1960-07-22	1960-09-07
1961	1961-06-28	1961-09-10
1962	1962-05-17	1962-06-29
1963	1963-06-05	1963-09-08
1964	1964-05-22	1964-08-06
1965	1965-06-28	1965-08-15
1966	1966-06-26	1966-08-18
1967	1967-07-21	1967-07-22
1968	1968-06-05	1968-08-24
1969	1969-05-28	1969-07-15
1970	1970-04-30	1970-08-15
1971	1971-06-14	1971-06-28
1972	1972-05-19	1972-05-19
1973	1973-06-11	1973-07-08
1974	1974-07-03	1974-07-27
1975	1975-05-23	1975-08-01
1976	1976-06-09	1976-09-08
1977	1977-05-19	1977-07-20
1978	1978-05-27	1978-09-09
1979	1979-07-12	1979-07-12
1980	1980-04-22	1980-07-16
1981	1981-07-07	1981-07-09
1983	1983-06-23	1983-08-08
1987	1987-06-14	1987-08-03
1988	1988-05-08	1988-08-08
1990	1990-06-26	1990-07-23
1991	1991-05-15	1991-08-30
1992	1992-05-11	1992-08-10
1993	1993-08-12	1993-08-27
1994	1994-06-15	1994-08-26
1995	1995-06-18	1995-08-31
1996	1996-06-13	1996-08-07
1997	1997-06-23	1997-08-02
1998	1998-05-14	1998-09-19
1999	1999-06-25	1999-09-03
2000	2000-06-08	2000-08-31
2001	2001-05-15	2001-08-21
2002	2002-05-30	2002-09-09
2003	2003-07-03	2003-09-08
2005	2005-06-24	2005-09-12
2006	2006-05-29	2006-08-01
2007	2007-05-15	2007-09-06
2009	2009-05-21	2009-08-15
2010	2010-05-25	2010-08-31
2011	2011-06-07	2011-07-21
2012	2012-05-20	2012-09-05
2013	2013-07-07	2013-08-27
2014	2014-07-22	2014-07-22
2015	2015-08-15	2015-08-16
2016	2016-05-07	2016-07-27
2017	2017-06-11	2017-09-25
2018	2018-05-27	2018-09-17
2019	2019-06-01	2019-07-16
2020	2020-06-09	2020-07-19

Every Fixed Threshold

Fixed thresholds at Winter
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	94	40	1921	8
35 C (95 F): Days	13	9	1936	3
40 C (104 F): Days	1	4	1936	4
90 F (32.2 C): Days	65	21	1931	1
100 F (37.8 C): Days	2	6	1936	6
0 C (32 F): Ice days (max	95	120	1926	90
0 C (32 F): Frost days (min	97	233	1917	179
-10 C (14 F): Days with min	97	123	1926	56
-20 C (-4 F): Days with min	97	69	1950	18
-30 C (-22 F): Days with min	93	30	1917	2
-40 C (-40 F): Days with min	15	4	1939	2
20 C (68 F): Tropical nights (min	46	7	2013	4
10 mm (0.39 in): Days with 10 mm or more rain	87	39	2019	39
25 mm (0.98 in): Days with 25 mm or more rain	87	15	1991	14
50 mm (1.97 in): Days with 50 mm or more rain	63	5	2010	3
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1941	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	72	14	1950	4
25 cm (9.8 in): Days with 25 cm or more snowfall	10	3	2019	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Winter 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).

Winter Threshold Days by Year (USC00479304)

Key Facts for Winter Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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