Westhope Threshold Days by Year (USC00329333)

19 fixed thresholds counted per year at Westhope (USC00329333): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westhope Thresholds

Westhope: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1931 with 58.
Westhope: days with a maximum temperature at or above 90 F (32.2 C) in 95 years, most in 1988 with 47.
Westhope: days with a maximum temperature at or below 0 C (32 F) in 95 years, most in 1955 with 133.
Westhope: nights with a minimum temperature at or below 0 C (32 F) in 94 years, most in 1917 with 227.
19 fixed thresholds have at least one qualifying day at Westhope.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Westhope with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1931.

Days at or above 30 C (86 F) per year at Westhope
Year	Days	Decade average
1909	26	26
1912	10	26.3
1913	34	26.3
1915	18	26.3
1916	23	26.3
1917	33	26.3
1918	21	26.3
1919	45	26.3
1920	30	26
1921	32	26
1922	29	26
1923	37	26
1924	18	26
1925	29	26
1926	27	26
1927	16	26
1928	14	26
1929	28	26
1930	38	45.9
1931	58	45.9
1932	55	45.9
1933	54	45.9
1934	53	45.9
1935	24	45.9
1938	39	45.9
1940	38	26.6
1941	33	26.6
1942	16	26.6
1943	14	26.6
1944	9	26.6
1945	18	26.6
1946	28	26.6
1947	35	26.6
1948	35	26.6
1949	40	26.6
1950	9	21.9
1951	15	21.9
1952	24	21.9
1953	25	21.9
1954	15	21.9
1955	26	21.9
1956	14	21.9
1957	28	21.9
1958	31	21.9
1959	32	21.9
1960	32	27.2
1961	57	27.2
1962	9	27.2
1963	30	27.2
1964	17	27.2
1965	10	27.2
1966	31	27.2
1967	41	27.2
1968	16	27.2
1969	29	27.2
1970	44	23.9
1971	19	23.9
1972	20	23.9
1973	23	23.9
1974	20	23.9
1975	19	23.9
1976	24	23.9
1977	21	23.9
1978	27	23.9
1979	22	23.9
1980	35	35.6
1981	32	35.6
1982	16	35.6
1983	42	35.6
1984	43	35.6
1985	12	35.6
1988	58	35.6
1989	47	35.6
1990	40	26.4
1991	32	26.4
1992	27	26.4
1993	10	26.4
1994	23	26.4
1995	32	26.4
1996	22	26.4
1997	36	26.4
1998	24	26.4
1999	18	26.4
2000	18	30.2
2001	37	30.2
2002	28	30.2
2003	40	30.2
2004	10	30.2
2005	23	30.2
2006	58	30.2
2007	38	30.2
2008	20	30.2
2010	18	31.3
2011	31	31.3
2012	45	31.3

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

First to last qualifying date each year at Westhope
Year	First date	Last date
1909	1909-06-15	1909-10-06
1912	1912-06-22	1912-07-27
1913	1913-05-26	1913-09-09
1915	1915-04-20	1915-09-04
1916	1916-07-05	1916-09-03
1917	1917-05-15	1917-09-23
1918	1918-05-04	1918-08-24
1919	1919-05-23	1919-09-05
1920	1920-06-08	1920-10-07
1921	1921-06-14	1921-09-01
1922	1922-06-04	1922-10-05
1923	1923-05-24	1923-09-21
1924	1924-07-10	1924-09-03
1925	1925-05-14	1925-09-04
1926	1926-04-29	1926-08-31
1927	1927-06-26	1927-09-13
1928	1928-05-06	1928-09-06
1929	1929-06-09	1929-09-01
1930	1930-05-03	1930-09-18
1931	1931-04-30	1931-09-07
1932	1932-05-13	1932-09-30
1933	1933-05-16	1933-09-18
1934	1934-05-05	1934-10-13
1935	1935-06-28	1935-09-16
1938	1938-06-18	1938-09-27
1940	1940-05-11	1940-09-18
1941	1941-05-18	1941-09-01
1942	1942-07-07	1942-09-10
1943	1943-05-22	1943-09-29
1944	1944-05-13	1944-08-08
1945	1945-06-21	1945-09-05
1946	1946-05-25	1946-09-16
1947	1947-04-28	1947-09-04
1948	1948-05-18	1948-09-15
1949	1949-04-29	1949-09-10
1950	1950-06-04	1950-07-29
1951	1951-05-23	1951-08-02
1952	1952-04-19	1952-09-27
1953	1953-05-06	1953-10-01
1954	1954-05-20	1954-08-31
1955	1955-05-13	1955-09-05
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-10-02
1958	1958-05-11	1958-09-01
1959	1959-05-24	1959-09-13
1960	1960-05-12	1960-09-20
1961	1961-05-29	1961-08-31
1962	1962-04-24	1962-08-25
1963	1963-05-30	1963-10-04
1964	1964-05-20	1964-09-17
1965	1965-05-13	1965-08-13
1966	1966-05-21	1966-09-12
1967	1967-06-27	1967-09-22
1968	1968-06-02	1968-09-14
1969	1969-05-26	1969-09-13
1970	1970-05-17	1970-09-18
1971	1971-08-05	1971-09-03
1972	1972-05-15	1972-08-30
1973	1973-05-17	1973-08-31
1974	1974-06-19	1974-08-08
1975	1975-06-24	1975-08-23
1976	1976-06-02	1976-09-30
1977	1977-04-09	1977-07-23
1978	1978-06-09	1978-09-11
1979	1979-05-16	1979-09-17
1980	1980-04-20	1980-09-08
1981	1981-06-27	1981-09-19
1982	1982-07-03	1982-09-11
1983	1983-06-10	1983-09-02
1984	1984-05-16	1984-09-17
1985	1985-05-03	1985-08-08
1988	1988-05-24	1988-08-17
1989	1989-05-15	1989-09-30
1990	1990-04-21	1990-09-11
1991	1991-05-12	1991-09-07
1992	1992-05-06	1992-10-01
1993	1993-05-11	1993-08-11
1994	1994-05-17	1994-09-23
1995	1995-05-31	1995-09-05
1996	1996-06-08	1996-09-01
1997	1997-05-31	1997-10-02
1998	1998-06-25	1998-09-11
1999	1999-05-28	1999-09-01
2000	2000-05-02	2000-08-25
2001	2001-04-28	2001-09-05
2002	2002-05-28	2002-09-17
2003	2003-05-29	2003-09-09
2004	2004-06-29	2004-09-19
2005	2005-06-18	2005-09-11
2006	2006-05-18	2006-09-14
2007	2007-05-09	2007-09-29
2008	2008-06-30	2008-08-31
2010	2010-07-02	2010-08-27
2011	2011-06-29	2011-10-05
2012	2012-05-17	2012-09-29

Every Fixed Threshold

Fixed thresholds at Westhope
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	58	1931	45
35 C (95 F): Days	75	25	1988	6
40 C (104 F): Days	7	7	1931	1
90 F (32.2 C): Days	95	47	1988	22
100 F (37.8 C): Days	30	11	1931	3
110 F (43.3 C): Days	1	2	1931	2
0 C (32 F): Ice days (max	95	133	1955	57
0 C (32 F): Frost days (min	94	227	1917	144
-10 C (14 F): Days with min	94	139	1935	62
-20 C (-4 F): Days with min	94	84	1955	14
-30 C (-22 F): Days with min	91	40	1916	4
-40 C (-40 F): Days with min	24	3	1909	1
20 C (68 F): Tropical nights (min	46	6	1983	6
25 C (77 F): Days with min	2	1	1925	1
10 mm (0.39 in): Days with 10 mm or more rain	83	22	2010	22
25 mm (0.98 in): Days with 25 mm or more rain	75	9	1971	4
50 mm (1.97 in): Days with 50 mm or more rain	26	3	1954	2
10 cm (3.9 in): Days with 10 cm or more snowfall	52	8	1951	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1989	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Westhope 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).

Westhope Threshold Days by Year (USC00329333)

Key Facts for Westhope Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related