Covert Threshold Days by Year (USC00141875)

6 fixed thresholds counted per year at Covert (USC00141875): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Covert Thresholds

Covert: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1951 with 37.
Covert: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 1973 with 14.
Covert: days with 10 cm (3.9 in) or more of snowfall in 60 years, most in 1997 with 7.
Covert: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1987 with 7.
6 fixed thresholds have at least one qualifying day at Covert.

Days with 10 mm (0.39 in) or more of precipitation

79 years with a qualifying day

Days per year at Covert with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1951.

Days with 10 mm (0.39 in) or more of precipitation per year at Covert
Year	Days	Decade average
1941	22	19.9
1943	16	19.9
1944	25	19.9
1945	15	19.9
1946	22	19.9
1947	20	19.9
1949	19	19.9
1950	24	21.8
1951	37	21.8
1952	18	21.8
1953	17	21.8
1954	15	21.8
1955	19	21.8
1956	12	21.8
1957	27	21.8
1958	28	21.8
1959	21	21.8
1960	23	19.9
1961	24	19.9
1962	26	19.9
1963	16	19.9
1964	14	19.9
1965	24	19.9
1966	11	19.9
1967	20	19.9
1968	18	19.9
1969	23	19.9
1970	15	19.4
1971	21	19.4
1972	21	19.4
1973	29	19.4
1974	13	19.4
1975	19	19.4
1976	14	19.4
1977	21	19.4
1978	20	19.4
1979	21	19.4
1980	18	21
1981	25	21
1982	25	21
1983	23	21
1984	20	21
1985	20	21
1986	27	21
1987	24	21
1988	11	21
1989	17	21
1990	22	23.9
1991	18	23.9
1992	29	23.9
1993	31	23.9
1994	22	23.9
1995	22	23.9
1996	27	23.9
1997	19	23.9
1998	22	23.9
1999	27	23.9
2000	19	22.5
2001	21	22.5
2002	19	22.5
2003	22	22.5
2004	23	22.5
2005	22	22.5
2006	23	22.5
2007	27	22.5
2008	29	22.5
2009	20	22.5
2010	18	21.7
2011	25	21.7
2012	16	21.7
2013	20	21.7
2014	19	21.7
2015	20	21.7
2016	26	21.7
2017	17	21.7
2018	30	21.7
2019	26	21.7
2020	21	20.5
2021	20	20.5

For each year, a bar from the first to the last day at Covert meeting 10 mm (0.39 in).

First to last qualifying date each year at Covert
Year	First date	Last date
1941	1941-03-05	1941-11-19
1943	1943-02-02	1943-12-10
1944	1944-01-26	1944-12-04
1945	1945-04-03	1945-12-24
1946	1946-01-19	1946-11-09
1947	1947-03-12	1947-12-04
1949	1949-01-28	1949-10-10
1950	1950-02-13	1950-10-02
1951	1951-01-02	1951-10-27
1952	1952-03-02	1952-12-20
1953	1953-03-02	1953-12-03
1954	1954-02-20	1954-12-05
1955	1955-02-03	1955-12-10
1956	1956-02-01	1956-10-30
1957	1957-03-05	1957-10-23
1958	1958-02-27	1958-09-21
1959	1959-01-21	1959-10-31
1960	1960-01-14	1960-12-11
1961	1961-03-13	1961-11-16
1962	1962-01-26	1962-09-21
1963	1963-03-11	1963-10-18
1964	1964-02-15	1964-11-15
1965	1965-01-23	1965-10-19
1966	1966-04-12	1966-12-27
1967	1967-04-12	1967-11-03
1968	1968-04-03	1968-12-22
1969	1969-02-14	1969-10-31
1970	1970-04-01	1970-10-09
1971	1971-01-03	1971-11-17
1972	1972-03-24	1972-11-14
1973	1973-03-04	1973-11-21
1974	1974-04-11	1974-12-15
1975	1975-02-04	1975-11-21
1976	1976-02-21	1976-10-27
1977	1977-03-11	1977-10-07
1978	1978-02-13	1978-11-26
1979	1979-01-13	1979-12-29
1980	1980-01-16	1980-12-08
1981	1981-03-04	1981-12-01
1982	1982-01-22	1982-12-28
1983	1983-02-02	1983-11-27
1984	1984-02-18	1984-12-16
1985	1985-01-09	1985-10-10
1986	1986-03-12	1986-12-07
1987	1987-02-28	1987-11-16
1988	1988-04-01	1988-11-16
1989	1989-05-18	1989-10-27
1990	1990-03-06	1990-11-03
1991	1991-03-17	1991-12-23
1992	1992-01-01	1992-11-25
1993	1993-01-09	1993-12-14
1994	1994-01-27	1994-12-07
1995	1995-01-01	1995-09-19
1996	1996-03-31	1996-11-17
1997	1997-02-27	1997-12-23
1998	1998-02-10	1998-11-03
1999	1999-01-30	1999-11-23
2000	2000-02-23	2000-11-12
2001	2001-01-28	2001-11-24
2002	2002-01-31	2002-10-30
2003	2003-03-18	2003-12-10
2004	2004-03-01	2004-11-10
2005	2005-01-05	2005-11-28
2006	2006-03-19	2006-12-31
2007	2007-01-21	2007-12-15
2008	2008-02-06	2008-11-11
2009	2009-04-13	2009-12-23
2010	2010-03-09	2010-11-12
2011	2011-04-15	2011-12-20
2012	2012-02-04	2012-12-15
2013	2013-01-01	2013-11-05
2014	2014-02-05	2014-10-11
2015	2015-02-01	2015-12-14
2016	2016-01-08	2016-11-07
2017	2017-01-17	2017-10-07
2018	2018-01-22	2018-12-27
2019	2019-01-12	2019-12-28
2020	2020-01-22	2020-11-25
2021	2021-01-25	2021-10-13

Every Fixed Threshold

Fixed thresholds at Covert
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	79	37	1951	20
25 mm (0.98 in): Days with 25 mm or more rain	79	14	1973	8
50 mm (1.97 in): Days with 50 mm or more rain	49	7	1987	4
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	7	1997	2
25 cm (9.8 in): Days with 25 cm or more snowfall	14	1	1953	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

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Data for Covert 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).

Covert Threshold Days by Year (USC00141875)

Key Facts for Covert Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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