Spencer Threshold Days by Year (USC00468384)

18 fixed thresholds counted per year at Spencer (USC00468384): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spencer Thresholds

Spencer: days with a maximum temperature at or above 30 C (86 F) in 116 years, most in 1900 with 108.
Spencer: days with a maximum temperature at or below 0 C (32 F) in 115 years, most in 2010 with 53.
Spencer: days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 2018 with 59.
Spencer: nights with a minimum temperature at or below 0 C (32 F) in 114 years, most in 1981 with 165.
18 fixed thresholds have at least one qualifying day at Spencer.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Spencer with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 1900.

Days at or above 30 C (86 F) per year at Spencer
Year	Days	Decade average
1893	75	87
1894	99	87
1900	108	73.3
1901	76	73.3
1906	75	73.3
1907	34	73.3
1908	98	73.3
1909	49	73.3
1910	75	72.9
1911	72	72.9
1912	53	72.9
1913	73	72.9
1914	86	72.9
1915	48	72.9
1916	76	72.9
1917	104	72.9
1918	61	72.9
1919	81	72.9
1921	74	47.7
1922	47	47.7
1923	25	47.7
1924	20	47.7
1925	77	47.7
1926	52	47.7
1927	41	47.7
1928	43	47.7
1929	50	47.7
1930	75	75.8
1931	83	75.8
1932	76	75.8
1933	68	75.8
1934	82	75.8
1935	62	75.8
1936	98	75.8
1937	67	75.8
1938	61	75.8
1939	86	75.8
1940	58	60.7
1941	89	60.7
1942	66	60.7
1943	67	60.7
1944	83	60.7
1945	65	60.7
1946	33	60.7
1947	49	60.7
1948	36	60.7
1951	56	54.6
1952	58	54.6
1953	69	54.6
1954	59	54.6
1955	53	54.6
1956	35	54.6
1957	55	54.6
1958	22	54.6
1959	84	54.6
1960	36	41.2
1961	33	41.2
1962	29	41.2
1963	27	41.2
1964	62	41.2
1965	59	41.2
1966	60	41.2
1967	27	41.2
1968	37	41.2
1969	42	41.2
1970	67	39.2
1971	26	39.2
1972	23	39.2
1973	49	39.2
1974	27	39.2
1975	45	39.2
1976	28	39.2
1978	46	39.2
1979	42	39.2
1980	65	62.5
1981	63	62.5
1982	45	62.5
1983	80	62.5
1984	64	62.5
1985	56	62.5
1986	68	62.5
1987	77	62.5
1988	73	62.5
1989	34	62.5
1990	40	51.4
1991	82	51.4
1992	26	51.4
1993	61	51.4
1996	37	51.4
1997	34	51.4
1998	56	51.4
1999	75	51.4
2000	34	43.7
2001	44	43.7
2002	75	43.7
2003	32	43.7
2004	42	43.7
2005	66	43.7
2006	42	43.7
2007	64	43.7
2008	28	43.7
2009	10	43.7
2010	57	38.2
2011	53	38.2
2012	50	38.2
2013	14	38.2
2014	16	38.2
2015	28	38.2
2016	48	38.2
2017	27	38.2
2018	33	38.2
2019	56	38.2
2020	38	26.5
2021	31	26.5
2022	26	26.5
2026	11	26.5

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

First to last qualifying date each year at Spencer
Year	First date	Last date
1893	1893-05-08	1893-09-15
1894	1894-04-18	1894-09-15
1900	1900-04-30	1900-11-20
1901	1901-04-29	1901-09-10
1906	1906-04-13	1906-09-21
1907	1907-03-22	1907-08-08
1908	1908-04-24	1908-10-07
1909	1909-04-05	1909-10-09
1910	1910-03-23	1910-10-21
1911	1911-04-06	1911-09-08
1912	1912-04-12	1912-10-11
1913	1913-04-17	1913-10-15
1914	1914-04-18	1914-10-10
1915	1915-04-10	1915-09-20
1916	1916-03-24	1916-10-09
1917	1917-04-04	1917-10-14
1918	1918-05-18	1918-09-25
1919	1919-04-09	1919-10-10
1921	1921-04-25	1921-10-25
1922	1922-04-08	1922-10-05
1923	1923-06-02	1923-09-26
1924	1924-06-19	1924-09-01
1925	1925-04-23	1925-09-20
1926	1926-05-02	1926-10-05
1927	1927-04-19	1927-10-04
1928	1928-05-04	1928-10-18
1929	1929-03-26	1929-09-30
1930	1930-04-12	1930-09-27
1931	1931-05-19	1931-10-08
1932	1932-05-06	1932-09-23
1933	1933-05-21	1933-10-01
1934	1934-04-06	1934-09-27
1935	1935-04-27	1935-10-15
1936	1936-04-29	1936-09-28
1937	1937-05-23	1937-10-07
1938	1938-04-28	1938-10-19
1939	1939-04-26	1939-10-11
1940	1940-05-07	1940-09-24
1941	1941-04-14	1941-10-08
1942	1942-04-26	1942-09-19
1943	1943-05-07	1943-09-15
1944	1944-04-23	1944-09-20
1945	1945-03-20	1945-09-29
1946	1946-04-23	1946-10-08
1947	1947-05-19	1947-09-22
1948	1948-04-26	1948-09-18
1951	1951-05-01	1951-10-05
1952	1952-04-22	1952-10-01
1953	1953-05-22	1953-10-04
1954	1954-03-25	1954-10-05
1955	1955-05-04	1955-09-23
1956	1956-04-28	1956-09-13
1957	1957-04-24	1957-09-11
1958	1958-06-05	1958-09-26
1959	1959-05-02	1959-10-06
1960	1960-04-23	1960-10-02
1961	1961-04-24	1961-09-25
1962	1962-05-01	1962-09-13
1963	1963-05-09	1963-09-12
1964	1964-05-19	1964-09-17
1965	1965-05-03	1965-09-23
1966	1966-05-08	1966-09-04
1967	1967-05-27	1967-08-17
1968	1968-06-06	1968-08-24
1969	1969-05-06	1969-09-04
1970	1970-04-30	1970-09-26
1971	1971-05-18	1971-09-29
1972	1972-05-25	1972-08-26
1973	1973-06-04	1973-09-09
1974	1974-04-01	1974-08-28
1975	1975-05-21	1975-09-06
1976	1976-04-17	1976-08-26
1978	1978-04-11	1978-09-22
1979	1979-04-22	1979-10-23
1980	1980-05-13	1980-09-21
1981	1981-04-14	1981-09-15
1982	1982-05-07	1982-10-07
1983	1983-05-08	1983-09-21
1984	1984-04-27	1984-09-23
1985	1985-04-19	1985-09-24
1986	1986-03-31	1986-10-01
1987	1987-04-20	1987-09-18
1988	1988-04-06	1988-09-04
1989	1989-03-29	1989-09-22
1990	1990-04-26	1990-09-08
1991	1991-04-08	1991-09-19
1992	1992-04-24	1992-09-10
1993	1993-04-30	1993-09-03
1996	1996-04-30	1996-08-24
1997	1997-05-20	1997-09-03
1998	1998-03-31	1998-10-01
1999	1999-04-23	1999-09-29
2000	2000-05-06	2000-09-10
2001	2001-04-10	2001-09-10
2002	2002-04-17	2002-10-05
2003	2003-06-25	2003-09-15
2004	2004-04-19	2004-09-06
2005	2005-05-14	2005-09-26
2006	2006-05-29	2006-08-30
2007	2007-05-02	2007-10-09
2008	2008-06-06	2008-09-15
2009	2009-04-25	2009-08-18
2010	2010-04-03	2010-09-25
2011	2011-04-26	2011-09-06
2012	2012-03-22	2012-09-08
2013	2013-05-31	2013-09-11
2014	2014-05-14	2014-09-06
2015	2015-05-08	2015-09-10
2016	2016-05-28	2016-09-24
2017	2017-05-01	2017-10-08
2018	2018-05-15	2018-10-08
2019	2019-04-19	2019-10-04
2020	2020-05-26	2020-09-10
2021	2021-06-07	2021-09-20
2022	2022-04-24	2022-08-30
2026	2026-08-04	2026-08-31

Every Fixed Threshold

Fixed thresholds at Spencer
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	108	1900	11
35 C (95 F): Days	56	54	1917	3
40 C (104 F): Days	3	3	1934	3
90 F (32.2 C): Days	112	79	1894	2
100 F (37.8 C): Days	13	7	1936	6
0 C (32 F): Ice days (max	115	53	2010	27
0 C (32 F): Frost days (min	114	165	1981	125
-10 C (14 F): Days with min	114	46	1981	28
-20 C (-4 F): Days with min	58	14	1981	2
-30 C (-22 F): Days with min	7	2	1918	1
20 C (68 F): Tropical nights (min	113	33	1934	9
25 C (77 F): Days with min	7	5	1918	1
10 mm (0.39 in): Days with 10 mm or more rain	115	59	2018	5
25 mm (0.98 in): Days with 25 mm or more rain	114	20	1989	2
50 mm (1.97 in): Days with 50 mm or more rain	69	5	1917	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1901	1
10 cm (3.9 in): Days with 10 cm or more snowfall	52	6	1914	3
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Spencer 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).

Spencer Threshold Days by Year (USC00468384)

Key Facts for Spencer Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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