Melton Reservoir Threshold Days by Year (ASN00087040)

4 fixed thresholds counted per year at Melton Reservoir (ASN00087040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Melton Reservoir Thresholds

Melton Reservoir: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1978 with 21.
Melton Reservoir: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 2010 with 7.
Melton Reservoir: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1966 with 2.
Melton Reservoir: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2005 with 1.
4 fixed thresholds have at least one qualifying day at Melton Reservoir.

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

77 years with a qualifying day

Days per year at Melton Reservoir with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1978.

Days with 10 mm (0.39 in) or more of precipitation per year at Melton Reservoir
Year	Days	Decade average
1949	12	12
1950	13	12.5
1951	11	12.5
1952	20	12.5
1953	9	12.5
1954	17	12.5
1955	13	12.5
1956	11	12.5
1957	7	12.5
1958	11	12.5
1959	13	12.5
1960	12	10.8
1961	10	10.8
1962	7	10.8
1963	15	10.8
1964	16	10.8
1965	12	10.8
1966	15	10.8
1967	4	10.8
1968	8	10.8
1969	9	10.8
1970	16	13
1971	15	13
1972	10	13
1973	16	13
1974	11	13
1975	14	13
1976	11	13
1977	7	13
1978	21	13
1979	9	13
1980	8	10.8
1981	14	10.8
1982	6	10.8
1983	15	10.8
1984	9	10.8
1985	12	10.8
1986	9	10.8
1987	17	10.8
1988	6	10.8
1989	12	10.8
1990	12	12.6
1991	13	12.6
1992	21	12.6
1993	17	12.6
1994	7	12.6
1995	15	12.6
1996	8	12.6
1997	7	12.6
1998	16	12.6
1999	10	12.6
2000	10	8.1
2001	8	8.1
2002	8	8.1
2003	7	8.1
2004	13	8.1
2005	9	8.1
2006	6	8.1
2007	9	8.1
2008	4	8.1
2009	7	8.1
2010	14	11.8
2011	20	11.8
2012	13	11.8
2013	16	11.8
2014	6	11.8
2015	9	11.8
2016	14	11.8
2017	9	11.8
2018	8	11.8
2019	9	11.8
2020	20	11.5
2021	14	11.5
2023	8	11.5
2024	9	11.5
2025	14	11.5
2026	4	11.5

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

First to last qualifying date each year at Melton Reservoir
Year	First date	Last date
1949	1949-02-21	1949-11-22
1950	1950-02-02	1950-12-30
1951	1951-02-18	1951-08-21
1952	1952-02-18	1952-12-10
1953	1953-01-06	1953-12-07
1954	1954-01-17	1954-12-12
1955	1955-01-28	1955-12-31
1956	1956-01-18	1956-11-16
1957	1957-03-14	1957-12-26
1958	1958-01-31	1958-12-17
1959	1959-02-14	1959-12-26
1960	1960-01-09	1960-11-18
1961	1961-01-01	1961-12-14
1962	1962-04-29	1962-12-04
1963	1963-01-18	1963-12-06
1964	1964-02-11	1964-12-09
1965	1965-04-05	1965-12-03
1966	1966-02-14	1966-12-25
1967	1967-05-19	1967-09-21
1968	1968-01-21	1968-12-26
1969	1969-02-11	1969-08-28
1970	1970-01-02	1970-12-28
1971	1971-01-25	1971-12-23
1972	1972-01-01	1972-11-03
1973	1973-01-13	1973-12-22
1974	1974-01-14	1974-11-18
1975	1975-08-03	1975-12-30
1976	1976-03-01	1976-11-04
1977	1977-01-15	1977-11-28
1978	1978-01-30	1978-12-26
1979	1979-01-17	1979-10-06
1980	1980-01-12	1980-12-14
1981	1981-01-28	1981-11-24
1982	1982-01-25	1982-12-08
1983	1983-03-22	1983-11-30
1984	1984-01-16	1984-12-14
1985	1985-03-17	1985-12-10
1986	1986-05-16	1986-12-17
1987	1987-01-03	1987-12-28
1988	1988-01-01	1988-12-26
1989	1989-01-04	1989-11-30
1990	1990-02-01	1990-12-10
1991	1991-01-05	1991-12-31
1992	1992-01-01	1992-12-23
1993	1993-01-03	1993-12-28
1994	1994-02-01	1994-12-22
1995	1995-01-06	1995-11-22
1996	1996-01-01	1996-11-18
1997	1997-01-23	1997-11-11
1998	1998-01-13	1998-12-27
1999	1999-02-13	1999-12-28
2000	2000-04-05	2000-11-12
2001	2001-01-25	2001-12-07
2002	2002-01-22	2002-06-29
2003	2003-04-11	2003-12-22
2004	2004-04-23	2004-12-11
2005	2005-01-27	2005-12-07
2006	2006-01-02	2006-08-24
2007	2007-03-24	2007-12-22
2008	2008-05-18	2008-12-14
2009	2009-03-15	2009-12-09
2010	2010-02-05	2010-12-03
2011	2011-01-11	2011-12-26
2012	2012-02-28	2012-11-28
2013	2013-02-01	2013-12-10
2014	2014-02-20	2014-12-07
2015	2015-01-14	2015-12-26
2016	2016-04-25	2016-11-23
2017	2017-01-20	2017-12-03
2018	2018-01-30	2018-12-17
2019	2019-05-06	2019-11-04
2020	2020-01-13	2020-12-23
2021	2021-01-04	2021-12-10
2023	2023-04-17	2023-12-27
2024	2024-01-03	2024-12-01
2025	2025-01-06	2025-12-22
2026	2026-03-27	2026-08-25

Every Fixed Threshold

Fixed thresholds at Melton Reservoir
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	77	21	1978	4
25 mm (0.98 in): Days with 25 mm or more rain	73	7	2010	1
50 mm (1.97 in): Days with 50 mm or more rain	17	2	1966	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2005	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

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Data for Melton Reservoir 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).

Melton Reservoir Threshold Days by Year (ASN00087040)

Key Facts for Melton Reservoir Thresholds

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

Every Fixed Threshold

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