Effingham 3SW Threshold Days by Year (USC00112687)

19 fixed thresholds counted per year at Effingham 3SW (USC00112687): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Effingham 3SW Thresholds

Effingham 3SW: days with 10 mm (0.39 in) or more of precipitation in 109 years, most in 1927 with 55.
Effingham 3SW: days with 25 mm (0.98 in) or more of precipitation in 109 years, most in 1927 with 21.
Effingham 3SW: days with a maximum temperature at or above 30 C (86 F) in 107 years, most in 1921 with 106.
Effingham 3SW: days with a maximum temperature at or above 90 F (32.2 C) in 107 years, most in 1936 with 84.
19 fixed thresholds have at least one qualifying day at Effingham 3SW.

Days at or above 30 C (86 F)

107 years with a qualifying day

Days per year at Effingham 3SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 106 in 1921.

Days at or above 30 C (86 F) per year at Effingham 3SW
Year	Days	Decade average
1897	75	77.3
1898	73	77.3
1899	84	77.3
1900	80	88.5
1901	97	88.5
1912	55	71.9
1913	98	71.9
1914	92	71.9
1915	37	71.9
1916	76	71.9
1917	60	71.9
1919	85	71.9
1920	56	76.1
1921	106	76.1
1922	91	76.1
1923	67	76.1
1924	61	76.1
1925	94	76.1
1926	92	76.1
1927	63	76.1
1928	66	76.1
1929	65	76.1
1930	78	80.2
1931	87	80.2
1932	50	80.2
1933	94	80.2
1934	92	80.2
1935	58	80.2
1936	104	80.2
1937	80	80.2
1938	76	80.2
1939	83	80.2
1940	76	63.6
1941	77	63.6
1942	60	63.6
1943	66	63.6
1944	84	63.6
1945	43	63.6
1946	52	63.6
1947	62	63.6
1948	57	63.6
1949	59	63.6
1950	24	73.7
1951	54	73.7
1952	85	73.7
1953	90	73.7
1954	100	73.7
1955	92	73.7
1956	85	73.7
1958	42	73.7
1959	91	73.7
1960	75	77.4
1961	79	77.4
1962	91	77.4
1963	87	77.4
1964	93	77.4
1965	80	77.4
1966	76	77.4
1967	46	77.4
1968	76	77.4
1969	71	77.4
1970	79	59.9
1971	90	59.9
1972	83	59.9
1973	64	59.9
1975	46	59.9
1976	37	59.9
1977	58	59.9
1978	54	59.9
1979	28	59.9
1980	58	53.9
1981	28	53.9
1982	24	53.9
1983	74	53.9
1984	54	53.9
1985	34	53.9
1986	56	53.9
1987	79	53.9
1988	76	53.9
1989	56	53.9
1990	54	58.9
1991	78	58.9
1992	37	58.9
1993	57	58.9
1994	59	58.9
1995	63	58.9
1999	64	58.9
2000	41	64.1
2001	66	64.1
2002	89	64.1
2003	51	64.1
2004	59	64.1
2005	89	64.1
2006	70	64.1
2007	85	64.1
2008	55	64.1
2009	36	64.1
2010	94	77.7
2011	74	77.7
2012	87	77.7
2013	54	77.7
2014	55	77.7
2015	60	77.7
2016	91	77.7
2017	82	77.7
2018	98	77.7
2019	82	77.7

For each year, a bar from the first to the last day at Effingham 3SW meeting 30 C (86 F).

First to last qualifying date each year at Effingham 3SW
Year	First date	Last date
1897	1897-06-10	1897-10-16
1898	1898-05-18	1898-10-03
1899	1899-04-28	1899-10-15
1900	1900-05-13	1900-10-05
1901	1901-04-30	1901-10-01
1912	1912-05-23	1912-10-10
1913	1913-05-14	1913-10-10
1914	1914-05-24	1914-10-06
1915	1915-04-25	1915-09-26
1916	1916-05-06	1916-09-28
1917	1917-06-22	1917-09-30
1919	1919-05-29	1919-10-03
1920	1920-05-23	1920-10-22
1921	1921-05-19	1921-09-29
1922	1922-05-11	1922-10-28
1923	1923-05-30	1923-09-29
1924	1924-04-16	1924-10-18
1925	1925-04-18	1925-09-28
1926	1926-05-01	1926-10-03
1927	1927-05-21	1927-10-28
1928	1928-05-03	1928-10-12
1929	1929-03-24	1929-09-27
1930	1930-04-10	1930-09-23
1931	1931-05-27	1931-10-06
1932	1932-06-05	1932-09-15
1933	1933-05-19	1933-09-30
1934	1934-05-08	1934-09-26
1935	1935-06-28	1935-10-14
1936	1936-05-06	1936-09-22
1937	1937-05-21	1937-10-05
1938	1938-05-19	1938-10-18
1939	1939-05-17	1939-10-09
1940	1940-05-07	1940-10-06
1941	1941-05-20	1941-10-06
1942	1942-04-30	1942-09-30
1943	1943-05-05	1943-09-05
1944	1944-05-15	1944-10-06
1945	1945-06-24	1945-09-23
1946	1946-06-07	1946-10-07
1947	1947-06-09	1947-10-22
1948	1948-06-02	1948-09-20
1949	1949-05-03	1949-10-09
1950	1950-05-23	1950-10-30
1951	1951-05-01	1951-10-04
1952	1952-05-01	1952-10-01
1953	1953-05-25	1953-10-22
1954	1954-04-25	1954-10-10
1955	1955-05-03	1955-09-21
1956	1956-05-12	1956-10-18
1958	1958-05-15	1958-09-25
1959	1959-05-26	1959-10-04
1960	1960-04-22	1960-09-24
1961	1961-05-31	1961-10-12
1962	1962-04-26	1962-10-15
1963	1963-05-08	1963-10-22
1964	1964-05-17	1964-09-20
1965	1965-04-23	1965-09-20
1966	1966-05-23	1966-09-12
1967	1967-05-24	1967-10-04
1968	1968-05-01	1968-09-30
1969	1969-05-05	1969-10-04
1970	1970-04-28	1970-09-26
1971	1971-04-20	1971-10-20
1972	1972-05-19	1972-10-03
1973	1973-06-03	1973-09-04
1975	1975-05-20	1975-09-04
1976	1976-06-09	1976-09-09
1977	1977-05-17	1977-09-03
1978	1978-05-26	1978-09-21
1979	1979-06-06	1979-08-21
1980	1980-06-06	1980-09-23
1981	1981-06-09	1981-10-01
1982	1982-05-17	1982-08-08
1983	1983-06-14	1983-10-04
1984	1984-06-06	1984-09-14
1985	1985-05-15	1985-09-10
1986	1986-04-26	1986-09-30
1987	1987-04-22	1987-09-17
1988	1988-04-06	1988-09-23
1989	1989-04-26	1989-10-15
1990	1990-04-25	1990-09-08
1991	1991-05-16	1991-09-16
1992	1992-06-13	1992-09-18
1993	1993-05-09	1993-09-03
1994	1994-05-24	1994-10-02
1995	1995-06-06	1995-09-14
1999	1999-06-06	1999-09-29
2000	2000-05-25	2000-10-04
2001	2001-05-01	2001-09-14
2002	2002-04-18	2002-10-04
2003	2003-05-10	2003-09-26
2004	2004-05-09	2004-09-25
2005	2005-05-11	2005-10-06
2006	2006-04-16	2006-10-05
2007	2007-05-01	2007-10-09
2008	2008-05-31	2008-09-25
2009	2009-05-23	2009-08-28
2010	2010-04-15	2010-10-12
2011	2011-05-12	2011-09-14
2012	2012-04-02	2012-09-08
2013	2013-05-15	2013-10-05
2014	2014-05-22	2014-09-30
2015	2015-05-06	2015-09-29
2016	2016-05-08	2016-10-18
2017	2017-04-20	2017-10-15
2018	2018-05-03	2018-10-10
2019	2019-05-17	2019-10-03

Every Fixed Threshold

Fixed thresholds at Effingham 3SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	107	106	1921	82
35 C (95 F): Days	99	58	1936	6
40 C (104 F): Days	13	18	1936	7
90 F (32.2 C): Days	107	84	1936	40
100 F (37.8 C): Days	49	34	1936	1
110 F (43.3 C): Days	2	3	1936	1
0 C (32 F): Ice days (max	107	61	1978	24
0 C (32 F): Frost days (min	102	146	1976	128
-10 C (14 F): Days with min	102	55	1978	22
-20 C (-4 F): Days with min	73	20	1977	2
-30 C (-22 F): Days with min	6	2	1977	1
20 C (68 F): Tropical nights (min	102	61	1936	31
25 C (77 F): Days with min	17	17	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	109	55	1927	39
25 mm (0.98 in): Days with 25 mm or more rain	109	21	1927	14
50 mm (1.97 in): Days with 50 mm or more rain	87	6	1961	4
100 mm (3.94 in): Days with 100 mm or more rain	15	1	1898	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	4	1939	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Effingham 3SW 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).

Effingham 3SW Threshold Days by Year (USC00112687)

Key Facts for Effingham 3SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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