Shelbyville Sewage Plt Threshold Days by Year (USC00127999)

17 fixed thresholds counted per year at Shelbyville Sewage Plt (USC00127999): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shelbyville Sewage Plt Thresholds

Shelbyville Sewage Plt: days with a maximum temperature at or above 30 C (86 F) in 108 years, most in 1936 with 101.
Shelbyville Sewage Plt: days with a maximum temperature at or above 90 F (32.2 C) in 108 years, most in 1936 with 76.
Shelbyville Sewage Plt: days with a maximum temperature at or below 0 C (32 F) in 108 years, most in 2010 with 53.
Shelbyville Sewage Plt: days with 10 mm (0.39 in) or more of precipitation in 104 years, most in 1921 with 51.
17 fixed thresholds have at least one qualifying day at Shelbyville Sewage Plt.

Days at or above 30 C (86 F)

108 years with a qualifying day

Days per year at Shelbyville Sewage Plt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1936.

Days at or above 30 C (86 F) per year at Shelbyville Sewage Plt
Year	Days	Decade average
1898	51	51
1900	76	54.6
1905	50	54.6
1906	65	54.6
1907	42	54.6
1909	40	54.6
1911	70	60.2
1912	42	60.2
1913	81	60.2
1914	79	60.2
1915	42	60.2
1916	60	60.2
1917	38	60.2
1918	55	60.2
1919	75	60.2
1921	78	64.5
1922	77	64.5
1923	55	64.5
1924	36	64.5
1925	92	64.5
1926	70	64.5
1928	54	64.5
1929	54	64.5
1930	81	76.1
1931	81	76.1
1932	72	76.1
1933	72	76.1
1934	82	76.1
1935	61	76.1
1936	101	76.1
1937	68	76.1
1938	64	76.1
1939	79	76.1
1940	64	66.7
1941	82	66.7
1942	63	66.7
1943	68	66.7
1944	83	66.7
1945	55	66.7
1946	64	66.7
1947	51	66.7
1948	66	66.7
1949	71	66.7
1950	27	62.4
1951	57	62.4
1952	82	62.4
1953	83	62.4
1954	79	62.4
1955	83	62.4
1957	48	62.4
1958	40	62.4
1961	51	47.8
1962	49	47.8
1963	41	47.8
1964	63	47.8
1965	37	47.8
1966	52	47.8
1967	48	47.8
1968	47	47.8
1969	42	47.8
1970	49	48.5
1971	48	48.5
1972	46	48.5
1973	51	48.5
1974	34	48.5
1975	66	48.5
1976	40	48.5
1977	54	48.5
1982	38	44.7
1988	64	44.7
1989	32	44.7
1990	37	46.8
1991	76	46.8
1992	17	46.8
1993	45	46.8
1994	45	46.8
1995	62	46.8
1996	39	46.8
1997	32	46.8
1998	54	46.8
1999	61	46.8
2000	31	44.4
2001	63	44.4
2002	75	44.4
2003	27	44.4
2004	33	44.4
2005	56	44.4
2006	32	44.4
2007	73	44.4
2008	33	44.4
2009	21	44.4
2010	63	49
2011	53	49
2012	75	49
2013	36	49
2014	24	49
2015	38	49
2016	52	49
2017	27	49
2018	65	49
2019	57	49
2020	45	47
2021	43	47
2022	44	47
2023	36	47
2024	49	47
2025	60	47
2026	52	47

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

First to last qualifying date each year at Shelbyville Sewage Plt
Year	First date	Last date
1898	1898-06-01	1898-10-04
1900	1900-05-13	1900-10-05
1905	1905-05-08	1905-10-09
1906	1906-05-15	1906-09-18
1907	1907-05-23	1907-10-02
1909	1909-06-07	1909-09-20
1911	1911-05-15	1911-09-27
1912	1912-05-23	1912-09-11
1913	1913-05-02	1913-10-10
1914	1914-05-20	1914-09-22
1915	1915-04-20	1915-09-16
1916	1916-05-10	1916-10-08
1917	1917-05-18	1917-09-02
1918	1918-05-25	1918-08-24
1919	1919-05-29	1919-10-02
1921	1921-05-19	1921-09-20
1922	1922-05-09	1922-10-05
1923	1923-06-02	1923-09-28
1924	1924-06-08	1924-09-27
1925	1925-04-22	1925-09-26
1926	1926-05-07	1926-10-03
1928	1928-05-03	1928-10-11
1929	1929-05-29	1929-09-28
1930	1930-04-11	1930-09-24
1931	1931-05-27	1931-09-23
1932	1932-05-15	1932-09-19
1933	1933-05-24	1933-09-26
1934	1934-05-04	1934-09-25
1935	1935-06-13	1935-10-13
1936	1936-05-06	1936-09-22
1937	1937-05-26	1937-10-01
1938	1938-05-04	1938-10-17
1939	1939-05-23	1939-10-09
1940	1940-05-07	1940-09-23
1941	1941-04-13	1941-09-30
1942	1942-04-30	1942-09-18
1943	1943-05-05	1943-09-30
1944	1944-05-15	1944-09-20
1945	1945-06-01	1945-09-28
1946	1946-04-03	1946-10-07
1947	1947-05-15	1947-10-16
1948	1948-04-25	1948-09-20
1949	1949-05-03	1949-10-08
1950	1950-05-25	1950-10-17
1951	1951-04-28	1951-10-05
1952	1952-05-01	1952-10-01
1953	1953-05-25	1953-10-21
1954	1954-05-31	1954-10-09
1955	1955-05-03	1955-09-22
1957	1957-06-07	1957-09-03
1958	1958-04-19	1958-09-07
1961	1961-06-02	1961-09-25
1962	1962-05-01	1962-09-14
1963	1963-05-09	1963-10-12
1964	1964-05-19	1964-09-22
1965	1965-05-09	1965-09-20
1966	1966-05-28	1966-09-04
1967	1967-05-26	1967-10-05
1968	1968-06-07	1968-09-24
1969	1969-05-29	1969-09-01
1970	1970-05-22	1970-09-24
1971	1971-05-18	1971-10-04
1972	1972-05-22	1972-09-21
1973	1973-06-04	1973-09-27
1974	1974-05-18	1974-08-28
1975	1975-05-21	1975-09-11
1976	1976-06-01	1976-09-09
1977	1977-04-19	1977-09-10
1982	1982-05-13	1982-10-07
1988	1988-05-16	1988-08-26
1989	1989-05-31	1989-09-11
1990	1990-06-09	1990-09-09
1991	1991-05-15	1991-09-17
1992	1992-05-22	1992-08-26
1993	1993-05-09	1993-08-31
1994	1994-05-23	1994-09-17
1995	1995-06-08	1995-09-07
1996	1996-05-19	1996-09-06
1997	1997-06-20	1997-09-20
1998	1998-05-15	1998-09-30
1999	1999-05-30	1999-09-29
2000	2000-05-26	2000-09-04
2001	2001-05-06	2001-09-14
2002	2002-06-01	2002-09-20
2003	2003-06-19	2003-08-30
2004	2004-05-22	2004-09-24
2005	2005-05-12	2005-10-04
2006	2006-05-29	2006-08-20
2007	2007-05-01	2007-10-09
2008	2008-06-06	2008-09-14
2009	2009-05-23	2009-09-09
2010	2010-05-24	2010-10-11
2011	2011-05-12	2011-09-14
2012	2012-05-03	2012-09-05
2013	2013-05-16	2013-09-12
2014	2014-05-28	2014-09-06
2015	2015-05-07	2015-09-09
2016	2016-05-30	2016-09-26
2017	2017-06-04	2017-09-27
2018	2018-05-12	2018-10-10
2019	2019-05-19	2019-10-03
2020	2020-05-25	2020-09-11
2021	2021-05-25	2021-09-20
2022	2022-05-12	2022-09-22
2023	2023-05-30	2023-10-05
2024	2024-05-03	2024-09-22
2025	2025-05-16	2025-10-04
2026	2026-03-23	2026-10-02

Every Fixed Threshold

Fixed thresholds at Shelbyville Sewage Plt
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	108	101	1936	52
35 C (95 F): Days	84	41	1936	3
40 C (104 F): Days	6	9	1936	2
90 F (32.2 C): Days	108	76	1936	24
100 F (37.8 C): Days	24	17	1936	7
0 C (32 F): Ice days (max	108	53	2010	26
0 C (32 F): Frost days (min	103	154	1976	58
-10 C (14 F): Days with min	103	59	1963	20
-20 C (-4 F): Days with min	64	24	1963	3
-30 C (-22 F): Days with min	4	2	1917	1
20 C (68 F): Tropical nights (min	103	55	1900	37
25 C (77 F): Days with min	10	6	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	104	51	1921	37
25 mm (0.98 in): Days with 25 mm or more rain	104	17	2008	13
50 mm (1.97 in): Days with 50 mm or more rain	80	5	1937	4
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	6	1951	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

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Data for Shelbyville Sewage Plt 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).

Shelbyville Sewage Plt Threshold Days by Year (USC00127999)

Key Facts for Shelbyville Sewage Plt Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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