Sparta Threshold Days by Year

19 fixed thresholds counted per year at Sparta (USC00477997): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sparta Thresholds

Sparta: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1939 with 70.
Sparta: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 2014 with 104.
Sparta: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 2018 with 193.
Sparta: nights with a minimum temperature at or below -10 C (14 F) in 78 years, most in 1978 with 97.
19 fixed thresholds have at least one qualifying day at Sparta.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Sparta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1939.

Days at or above 30 C (86 F) per year at Sparta
Year	Days	Decade average
1937	64	55.3
1938	32	55.3
1939	70	55.3
1940	45	36.6
1941	48	36.6
1942	20	36.6
1943	38	36.6
1944	35	36.6
1945	28	36.6
1946	19	36.6
1947	51	36.6
1948	41	36.6
1949	41	36.6
1950	11	28.7
1951	6	28.7
1952	37	28.7
1953	30	28.7
1954	23	28.7
1955	49	28.7
1956	27	28.7
1957	33	28.7
1958	29	28.7
1959	42	28.7
1960	31	34.1
1961	44	34.1
1962	30	34.1
1963	43	34.1
1964	47	34.1
1965	18	34.1
1966	38	34.1
1967	28	34.1
1968	31	34.1
1969	31	34.1
1970	55	33.8
1971	28	33.8
1972	36	33.8
1973	29	33.8
1974	30	33.8
1975	38	33.8
1976	51	33.8
1977	30	33.8
1978	24	33.8
1979	17	33.8
1983	50	40
1985	30	40
1991	54	27.2
1992	10	27.2
1993	15	27.2
1994	24	27.2
1995	40	27.2
1996	18	27.2
1997	18	27.2
1998	32	27.2
1999	34	27.2
2000	19	30.4
2001	41	30.4
2002	36	30.4
2003	43	30.4
2004	11	30.4
2005	43	30.4
2006	30	30.4
2007	45	30.4
2008	22	30.4
2009	14	30.4
2010	27	30.5
2011	37	30.5
2012	58	30.5
2013	30	30.5
2014	16	30.5
2015	21	30.5
2016	31	30.5
2017	26	30.5
2018	38	30.5
2019	21	30.5
2020	36	35.3
2021	35	35.3
2022	26	35.3
2023	44	35.3

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

First to last qualifying date each year at Sparta
Year	First date	Last date
1937	1937-05-29	1937-09-23
1938	1938-06-22	1938-10-16
1939	1939-04-24	1939-09-28
1940	1940-05-12	1940-09-20
1941	1941-05-26	1941-09-21
1942	1942-04-30	1942-09-11
1943	1943-06-03	1943-09-01
1944	1944-05-30	1944-09-17
1945	1945-06-23	1945-09-08
1946	1946-06-07	1946-08-17
1947	1947-06-09	1947-10-21
1948	1948-05-20	1948-09-19
1949	1949-05-03	1949-08-26
1950	1950-06-06	1950-08-16
1951	1951-07-07	1951-08-28
1952	1952-04-28	1952-09-13
1953	1953-05-29	1953-10-02
1954	1954-06-11	1954-09-06
1955	1955-05-02	1955-09-19
1956	1956-05-12	1956-08-28
1957	1957-06-16	1957-09-02
1958	1958-06-28	1958-09-04
1959	1959-05-02	1959-09-09
1960	1960-04-22	1960-09-08
1961	1961-05-12	1961-09-10
1962	1962-04-25	1962-08-30
1963	1963-06-01	1963-10-06
1964	1964-04-16	1964-09-07
1965	1965-05-02	1965-08-17
1966	1966-05-26	1966-09-02
1967	1967-05-18	1967-08-26
1968	1968-05-15	1968-09-03
1969	1969-05-27	1969-08-31
1970	1970-04-27	1970-09-08
1971	1971-06-04	1971-09-08
1972	1972-05-17	1972-08-30
1973	1973-06-08	1973-09-01
1974	1974-05-21	1974-08-21
1975	1975-05-19	1975-08-24
1976	1976-06-07	1976-10-02
1977	1977-04-28	1977-08-28
1978	1978-05-26	1978-09-12
1979	1979-05-11	1979-09-06
1983	1983-06-12	1983-09-10
1985	1985-04-19	1985-09-20
1991	1991-04-07	1991-09-10
1992	1992-05-02	1992-08-25
1993	1993-06-22	1993-08-27
1994	1994-04-19	1994-09-16
1995	1995-06-04	1995-09-05
1996	1996-05-18	1996-09-08
1997	1997-06-21	1997-10-04
1998	1998-05-15	1998-09-14
1999	1999-05-29	1999-09-05
2000	2000-05-06	2000-09-19
2001	2001-05-16	2001-08-27
2002	2002-04-16	2002-09-10
2003	2003-04-15	2003-09-12
2004	2004-04-29	2004-09-03
2005	2005-06-07	2005-10-05
2006	2006-05-29	2006-08-05
2007	2007-04-30	2007-10-07
2008	2008-06-21	2008-09-03
2009	2009-04-25	2009-08-15
2010	2010-05-24	2010-08-30
2011	2011-05-11	2011-09-13
2012	2012-05-19	2012-09-12
2013	2013-05-15	2013-09-11
2014	2014-05-27	2014-08-30
2015	2015-06-10	2015-09-07
2016	2016-05-07	2016-08-19
2017	2017-06-03	2017-09-26
2018	2018-05-25	2018-09-18
2019	2019-06-01	2019-10-01
2020	2020-05-27	2020-08-29
2021	2021-05-02	2021-10-01
2022	2022-05-12	2022-09-02
2023	2023-04-13	2023-10-02

Every Fixed Threshold

Fixed thresholds at Sparta
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	70	1939	44
35 C (95 F): Days	44	15	1937	4
40 C (104 F): Days	1	1	1995	1
90 F (32.2 C): Days	75	35	1939	17
100 F (37.8 C): Days	11	3	2012	1
0 C (32 F): Ice days (max	78	104	2014	56
0 C (32 F): Frost days (min	78	193	2018	171
-10 C (14 F): Days with min	78	97	1978	44
-20 C (-4 F): Days with min	78	56	1978	5
-30 C (-22 F): Days with min	51	13	1979	2
-40 C (-40 F): Days with min	3	3	1951	1
20 C (68 F): Tropical nights (min	78	24	1937	5
25 C (77 F): Days with min	13	2	1942	1
10 mm (0.39 in): Days with 10 mm or more rain	72	41	2019	20
25 mm (0.98 in): Days with 25 mm or more rain	72	14	2016	6
50 mm (1.97 in): Days with 50 mm or more rain	45	4	2016	3
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	59	7	1945	3
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

Data for Sparta 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Sparta Threshold Days by Year

Key Facts for Sparta Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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