Melstone Threshold Days by Year (USC00245596)

19 fixed thresholds counted per year at Melstone (USC00245596): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Melstone Thresholds

Melstone: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1915 with 18.
Melstone: nights with a minimum temperature at or below 0 C (32 F) in 96 years, most in 1951 with 192.
Melstone: nights with a minimum temperature at or below -10 C (14 F) in 96 years, most in 1978 with 96.
Melstone: nights with a minimum temperature at or below -20 C (-4 F) in 96 years, most in 1916 with 46.
19 fixed thresholds have at least one qualifying day at Melstone.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Melstone with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 1936.

Days at or above 30 C (86 F) per year at Melstone
Year	Days	Decade average
1914	59	51.5
1915	31	51.5
1916	56	51.5
1917	60	51.5
1921	64	56.3
1928	43	56.3
1929	62	56.3
1932	55	71.4
1933	74	71.4
1934	70	71.4
1936	89	71.4
1937	75	71.4
1938	68	71.4
1939	69	71.4
1940	74	57.1
1941	54	57.1
1942	40	57.1
1943	55	57.1
1944	41	57.1
1945	63	57.1
1946	55	57.1
1947	58	57.1
1948	53	57.1
1949	78	57.1
1950	46	56.5
1951	41	56.5
1952	63	56.5
1953	62	56.5
1954	58	56.5
1955	61	56.5
1956	63	56.5
1957	57	56.5
1958	56	56.5
1959	58	56.5
1960	71	53
1961	85	53
1962	40	53
1964	43	53
1965	27	53
1967	58	53
1968	41	53
1969	59	53
1970	66	55.4
1971	62	55.4
1972	52	55.4
1973	58	55.4
1974	45	55.4
1975	38	55.4
1976	65	55.4
1978	51	55.4
1979	62	55.4
1980	61	60.8
1981	65	60.8
1982	51	60.8
1983	62	60.8
1984	70	60.8
1986	49	60.8
1987	54	60.8
1988	82	60.8
1989	53	60.8
1991	53	51.4
1992	38	51.4
1993	19	51.4
1994	59	51.4
1995	48	51.4
1996	60	51.4
1997	55	51.4
1998	71	51.4
1999	60	51.4
2000	67	67
2001	74	67
2002	65	67
2003	76	67
2004	30	67
2005	65	67
2006	83	67
2007	77	67
2008	62	67
2009	71	67
2010	56	57.7
2011	84	57.7
2012	77	57.7
2013	57	57.7
2014	45	57.7
2015	58	57.7
2016	54	57.7
2017	63	57.7
2018	41	57.7
2019	42	57.7
2021	76	56
2022	66	56
2023	44	56
2024	57	56
2025	39	56
2026	54	56

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

First to last qualifying date each year at Melstone
Year	First date	Last date
1914	1914-05-31	1914-09-26
1915	1915-06-24	1915-09-06
1916	1916-05-05	1916-09-08
1917	1917-05-13	1917-10-02
1921	1921-06-06	1921-10-20
1928	1928-05-06	1928-10-09
1929	1929-05-23	1929-09-02
1932	1932-05-12	1932-09-07
1933	1933-05-30	1933-09-19
1934	1934-05-05	1934-09-09
1936	1936-05-04	1936-10-11
1937	1937-05-18	1937-09-20
1938	1938-05-27	1938-10-02
1939	1939-04-28	1939-09-21
1940	1940-05-30	1940-09-17
1941	1941-05-12	1941-09-18
1942	1942-07-02	1942-10-09
1943	1943-06-22	1943-10-04
1944	1944-05-14	1944-09-13
1945	1945-06-21	1945-09-13
1946	1946-04-26	1946-09-30
1947	1947-05-02	1947-09-12
1948	1948-04-29	1948-10-03
1949	1949-04-28	1949-09-24
1950	1950-06-05	1950-09-07
1951	1951-05-22	1951-09-10
1952	1952-04-26	1952-09-29
1953	1953-05-06	1953-10-10
1954	1954-05-19	1954-10-07
1955	1955-05-01	1955-10-10
1956	1956-05-17	1956-09-27
1957	1957-05-02	1957-10-01
1958	1958-05-09	1958-10-14
1959	1959-06-03	1959-09-14
1960	1960-05-11	1960-09-20
1961	1961-05-28	1961-10-15
1962	1962-04-19	1962-09-06
1964	1964-05-20	1964-09-17
1965	1965-06-12	1965-10-09
1967	1967-06-27	1967-09-29
1968	1968-06-02	1968-09-12
1969	1969-05-13	1969-09-18
1970	1970-05-17	1970-10-05
1971	1971-05-13	1971-09-11
1972	1972-05-15	1972-09-18
1973	1973-05-19	1973-09-12
1974	1974-04-25	1974-09-25
1975	1975-05-15	1975-10-03
1976	1976-06-09	1976-10-01
1978	1978-05-14	1978-09-25
1979	1979-06-04	1979-10-04
1980	1980-04-20	1980-10-08
1981	1981-05-01	1981-09-19
1982	1982-06-21	1982-09-10
1983	1983-05-25	1983-09-26
1984	1984-05-14	1984-09-19
1986	1986-05-20	1986-08-30
1987	1987-04-28	1987-10-03
1988	1988-05-13	1988-09-06
1989	1989-04-21	1989-09-30
1991	1991-06-10	1991-10-16
1992	1992-04-29	1992-10-03
1993	1993-05-11	1993-10-05
1994	1994-05-27	1994-09-28
1995	1995-06-05	1995-10-11
1996	1996-06-07	1996-10-10
1997	1997-05-15	1997-10-02
1998	1998-05-26	1998-09-18
1999	1999-05-25	1999-09-24
2000	2000-06-06	2000-09-17
2001	2001-04-27	2001-10-01
2002	2002-05-21	2002-09-17
2003	2003-05-25	2003-10-21
2004	2004-06-03	2004-10-09
2005	2005-06-17	2005-10-01
2006	2006-05-18	2006-09-30
2007	2007-05-12	2007-09-17
2008	2008-05-18	2008-09-21
2009	2009-05-19	2009-09-27
2010	2010-05-17	2010-10-04
2011	2011-06-05	2011-10-05
2012	2012-04-23	2012-09-18
2013	2013-05-12	2013-09-21
2014	2014-05-23	2014-09-25
2015	2015-06-01	2015-10-10
2016	2016-05-04	2016-09-28
2017	2017-05-05	2017-09-11
2018	2018-05-26	2018-09-11
2019	2019-06-02	2019-09-16
2021	2021-04-30	2021-10-05
2022	2022-06-17	2022-09-28
2023	2023-05-22	2023-09-18
2024	2024-06-10	2024-09-29
2025	2025-05-10	2025-09-30
2026	2026-05-13	2026-08-28

Every Fixed Threshold

Fixed thresholds at Melstone
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	89	1936	54
35 C (95 F): Days	94	53	1936	13
40 C (104 F): Days	39	9	1936	3
90 F (32.2 C): Days	95	75	1936	38
100 F (37.8 C): Days	74	28	1936	4
110 F (43.3 C): Days	4	2	2002	1
0 C (32 F): Ice days (max	95	86	1978	9
0 C (32 F): Frost days (min	96	192	1951	77
-10 C (14 F): Days with min	96	96	1978	15
-20 C (-4 F): Days with min	96	46	1916	3
-30 C (-22 F): Days with min	71	15	1916	3
-40 C (-40 F): Days with min	9	5	1936	1
20 C (68 F): Tropical nights (min	62	19	2021	4
25 C (77 F): Days with min	5	3	2021	3
10 mm (0.39 in): Days with 10 mm or more rain	99	18	1915	10
25 mm (0.98 in): Days with 25 mm or more rain	74	10	2011	2
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1978	1
10 cm (3.9 in): Days with 10 cm or more snowfall	65	10	1978	2
25 cm (9.8 in): Days with 25 cm or more snowfall	16	2	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Melstone 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 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Melstone Threshold Days by Year (USC00245596)

Key Facts for Melstone Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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