Shelbyville Water Dept Threshold Days by Year (USC00408246)

16 fixed thresholds counted per year at Shelbyville Water Dept (USC00408246): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shelbyville Water Dept Thresholds

Shelbyville Water Dept: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1953 with 128.
Shelbyville Water Dept: days with a maximum temperature at or above 90 F (32.2 C) in 70 years, most in 1953 with 91.
Shelbyville Water Dept: nights with a minimum temperature at or below 0 C (32 F) in 70 years, most in 1960 with 111.
Shelbyville Water Dept: nights with a minimum temperature at or above 20 C (68 F) in 70 years, most in 2018 with 80.
16 fixed thresholds have at least one qualifying day at Shelbyville Water Dept.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Shelbyville Water Dept with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 1953.

Days at or above 30 C (86 F) per year at Shelbyville Water Dept
Year	Days	Decade average
1952	108	99.5
1953	128	99.5
1956	90	99.5
1957	94	99.5
1958	89	99.5
1959	88	99.5
1960	88	84.4
1961	64	84.4
1962	104	84.4
1963	93	84.4
1964	94	84.4
1965	93	84.4
1966	70	84.4
1967	50	84.4
1968	93	84.4
1969	95	84.4
1970	106	92.4
1971	96	92.4
1972	95	92.4
1973	97	92.4
1974	70	92.4
1975	96	92.4
1976	70	92.4
1977	115	92.4
1978	104	92.4
1979	75	92.4
1980	113	96.4
1981	98	96.4
1982	98	96.4
1983	90	96.4
1984	87	96.4
1985	85	96.4
1986	109	96.4
1987	117	96.4
1988	94	96.4
1989	73	96.4
1990	88	81.3
1991	95	81.3
1992	45	81.3
1993	94	81.3
1996	64	81.3
1997	72	81.3
1998	104	81.3
1999	88	81.3
2000	90	88.5
2001	69	88.5
2002	103	88.5
2003	73	88.5
2004	79	88.5
2005	100	88.5
2006	95	88.5
2007	121	88.5
2008	88	88.5
2009	67	88.5
2010	121	93.1
2011	104	93.1
2012	91	93.1
2013	62	93.1
2014	77	93.1
2015	71	93.1
2016	115	93.1
2017	74	93.1
2018	102	93.1
2019	114	93.1
2020	85	85.8
2021	71	85.8
2023	81	85.8
2024	97	85.8
2025	95	85.8
2026	86	85.8

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

First to last qualifying date each year at Shelbyville Water Dept
Year	First date	Last date
1952	1952-05-01	1952-10-01
1953	1953-05-22	1953-10-23
1956	1956-05-12	1956-09-30
1957	1957-04-26	1957-09-22
1958	1958-05-15	1958-09-26
1959	1959-05-01	1959-10-05
1960	1960-04-23	1960-09-22
1961	1961-06-01	1961-10-11
1962	1962-05-07	1962-10-14
1963	1963-04-21	1963-10-22
1964	1964-05-17	1964-09-22
1965	1965-04-23	1965-10-17
1966	1966-05-08	1966-09-04
1967	1967-04-05	1967-10-07
1968	1968-05-15	1968-10-02
1969	1969-05-05	1969-10-12
1970	1970-04-30	1970-09-26
1971	1971-04-18	1971-10-04
1972	1972-04-15	1972-09-24
1973	1973-05-26	1973-10-04
1974	1974-05-17	1974-09-19
1975	1975-04-27	1975-10-14
1976	1976-04-19	1976-09-19
1977	1977-04-11	1977-09-23
1978	1978-04-08	1978-09-21
1979	1979-05-07	1979-09-21
1980	1980-04-23	1980-10-10
1981	1981-04-19	1981-10-05
1982	1982-05-05	1982-10-06
1983	1983-06-05	1983-10-04
1984	1984-05-25	1984-09-25
1985	1985-04-21	1985-10-12
1986	1986-04-25	1986-10-04
1987	1987-04-21	1987-09-27
1988	1988-04-05	1988-09-23
1989	1989-04-23	1989-09-14
1990	1990-05-15	1990-09-21
1991	1991-05-15	1991-09-18
1992	1992-05-18	1992-09-10
1993	1993-05-07	1993-09-25
1996	1996-05-18	1996-09-10
1997	1997-06-19	1997-09-21
1998	1998-05-13	1998-10-05
1999	1999-06-03	1999-09-28
2000	2000-05-11	2000-10-03
2001	2001-04-10	2001-09-24
2002	2002-04-17	2002-10-02
2003	2003-04-29	2003-09-26
2004	2004-05-07	2004-09-25
2005	2005-05-11	2005-10-19
2006	2006-04-17	2006-10-05
2007	2007-04-30	2007-10-08
2008	2008-05-23	2008-09-29
2009	2009-04-26	2009-09-24
2010	2010-04-05	2010-10-11
2011	2011-04-09	2011-09-30
2012	2012-04-02	2012-09-07
2013	2013-05-28	2013-10-05
2014	2014-05-05	2014-10-01
2015	2015-05-07	2015-09-19
2016	2016-05-11	2016-11-02
2017	2017-04-14	2017-10-09
2018	2018-05-11	2018-10-08
2019	2019-04-30	2019-10-05
2020	2020-05-16	2020-09-17
2021	2021-05-21	2021-10-01
2023	2023-05-09	2023-10-30
2024	2024-05-02	2024-10-06
2025	2025-04-04	2025-10-01
2026	2026-04-17	2026-09-30

Every Fixed Threshold

Fixed thresholds at Shelbyville Water Dept
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	128	1953	86
35 C (95 F): Days	60	49	1952	16
40 C (104 F): Days	4	3	1952	3
90 F (32.2 C): Days	70	91	1953	56
100 F (37.8 C): Days	20	20	1952	3
0 C (32 F): Ice days (max	67	19	1978	4
0 C (32 F): Frost days (min	70	111	1960	40
-10 C (14 F): Days with min	65	27	1977	3
-20 C (-4 F): Days with min	12	4	1962	1
20 C (68 F): Tropical nights (min	70	80	2018	79
25 C (77 F): Days with min	7	1	1961	1
10 mm (0.39 in): Days with 10 mm or more rain	69	63	1996	33
25 mm (0.98 in): Days with 25 mm or more rain	69	29	2011	8
50 mm (1.97 in): Days with 50 mm or more rain	68	11	2021	2
100 mm (3.94 in): Days with 100 mm or more rain	20	2	1972	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	3	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

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Data for Shelbyville Water Dept 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 Water Dept Threshold Days by Year (USC00408246)

Key Facts for Shelbyville Water Dept Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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