Romney 1 SW Threshold Days by Year (USC00467730)

18 fixed thresholds counted per year at Romney 1 SW (USC00467730): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Romney 1 SW Thresholds

Romney 1 SW: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1996 with 47.
Romney 1 SW: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1918 with 15.
Romney 1 SW: nights with a minimum temperature at or below 0 C (32 F) in 97 years, most in 2003 with 155.
Romney 1 SW: nights with a minimum temperature at or below -10 C (14 F) in 97 years, most in 1978 with 47.
18 fixed thresholds have at least one qualifying day at Romney 1 SW.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Romney 1 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 1959.

Days at or above 30 C (86 F) per year at Romney 1 SW
Year	Days	Decade average
1897	44	52.7
1898	49	52.7
1899	65	52.7
1900	95	66
1901	68	66
1902	70	66
1903	38	66
1905	38	66
1906	100	66
1907	59	66
1908	72	66
1909	54	66
1910	69	75.8
1911	79	75.8
1915	83	75.8
1916	66	75.8
1918	75	75.8
1919	83	75.8
1920	53	63.8
1921	93	63.8
1922	50	63.8
1928	59	63.8
1930	100	78.2
1931	79	78.2
1932	86	78.2
1933	64	78.2
1934	82	78.2
1935	67	78.2
1936	94	78.2
1937	65	78.2
1938	64	78.2
1939	81	78.2
1940	44	63.2
1941	87	63.2
1942	60	63.2
1943	80	63.2
1948	48	63.2
1949	60	63.2
1955	66	74.2
1956	54	74.2
1957	83	74.2
1958	61	74.2
1959	107	74.2
1960	63	66.4
1961	80	66.4
1962	65	66.4
1963	55	66.4
1964	73	66.4
1965	84	66.4
1966	75	66.4
1967	35	66.4
1968	66	66.4
1969	68	66.4
1970	80	58
1971	58	58
1973	61	58
1974	44	58
1975	56	58
1976	57	58
1977	67	58
1978	60	58
1979	39	58
1980	73	62.1
1981	56	62.1
1982	53	62.1
1983	76	62.1
1984	59	62.1
1987	81	62.1
1988	62	62.1
1989	37	62.1
1990	57	59.4
1991	85	59.4
1992	33	59.4
1993	70	59.4
1994	52	59.4
1995	63	59.4
1996	38	59.4
1997	56	59.4
1998	75	59.4
1999	65	59.4
2000	64	64.9
2001	67	64.9
2002	84	64.9
2003	50	64.9
2004	64	64.9
2005	72	64.9
2006	49	64.9
2007	69	64.9
2010	82	57.8
2011	57	57.8
2012	54	57.8
2014	38	57.8
2015	56	57.8
2016	60	57.8
2026	50	50

For each year, a bar from the first to the last day at Romney 1 SW meeting 30 C (86 F).

First to last qualifying date each year at Romney 1 SW
Year	First date	Last date
1897	1897-06-14	1897-10-15
1898	1898-05-18	1898-09-06
1899	1899-04-30	1899-09-08
1900	1900-05-08	1900-10-06
1901	1901-05-02	1901-09-29
1902	1902-04-22	1902-09-12
1903	1903-04-03	1903-09-15
1905	1905-05-02	1905-10-05
1906	1906-05-04	1906-09-28
1907	1907-03-23	1907-09-22
1908	1908-04-24	1908-10-19
1909	1909-04-19	1909-09-24
1910	1910-03-29	1910-10-07
1911	1911-05-11	1911-09-08
1915	1915-04-19	1915-09-25
1916	1916-04-20	1916-10-08
1918	1918-05-05	1918-10-17
1919	1919-04-09	1919-10-27
1920	1920-04-01	1920-08-18
1921	1921-03-25	1921-10-07
1922	1922-04-10	1922-10-06
1928	1928-05-04	1928-10-17
1930	1930-04-11	1930-10-16
1931	1931-05-16	1931-10-08
1932	1932-05-07	1932-10-11
1933	1933-04-30	1933-10-01
1934	1934-05-05	1934-09-15
1935	1935-03-16	1935-10-14
1936	1936-04-30	1936-09-27
1937	1937-04-18	1937-10-06
1938	1938-05-02	1938-10-19
1939	1939-04-24	1939-10-10
1940	1940-05-06	1940-09-22
1941	1941-04-14	1941-10-08
1942	1942-04-06	1942-09-19
1943	1943-05-06	1943-09-28
1948	1948-03-21	1948-09-17
1949	1949-05-04	1949-10-12
1955	1955-05-04	1955-10-07
1956	1956-04-28	1956-09-23
1957	1957-04-20	1957-09-22
1958	1958-04-19	1958-09-26
1959	1959-04-08	1959-10-06
1960	1960-04-14	1960-09-09
1961	1961-05-08	1961-09-26
1962	1962-04-26	1962-10-16
1963	1963-04-02	1963-10-07
1964	1964-04-17	1964-09-18
1965	1965-05-02	1965-09-23
1966	1966-05-08	1966-09-04
1967	1967-04-14	1967-09-18
1968	1968-05-03	1968-10-01
1969	1969-04-27	1969-09-18
1970	1970-04-29	1970-09-26
1971	1971-04-13	1971-09-15
1973	1973-04-23	1973-09-28
1974	1974-04-29	1974-09-14
1975	1975-05-21	1975-09-05
1976	1976-04-17	1976-09-14
1977	1977-04-12	1977-09-19
1978	1978-05-27	1978-09-22
1979	1979-05-09	1979-10-22
1980	1980-05-30	1980-09-23
1981	1981-04-04	1981-09-15
1982	1982-05-07	1982-09-15
1983	1983-04-29	1983-10-05
1984	1984-05-01	1984-10-22
1987	1987-04-23	1987-08-28
1988	1988-05-14	1988-08-29
1989	1989-03-28	1989-09-11
1990	1990-03-13	1990-10-07
1991	1991-04-09	1991-10-06
1992	1992-05-03	1992-09-11
1993	1993-05-10	1993-09-16
1994	1994-04-16	1994-09-17
1995	1995-05-25	1995-10-07
1996	1996-04-23	1996-08-24
1997	1997-05-19	1997-10-11
1998	1998-03-28	1998-10-19
1999	1999-04-23	1999-09-10
2000	2000-03-09	2000-10-05
2001	2001-04-10	2001-10-25
2002	2002-04-17	2002-09-21
2003	2003-04-16	2003-09-04
2004	2004-04-18	2004-09-26
2005	2005-05-11	2005-09-25
2006	2006-05-29	2006-08-27
2007	2007-04-04	2007-10-10
2010	2010-04-02	2010-09-25
2011	2011-04-05	2011-09-15
2012	2012-04-17	2012-09-09
2014	2014-04-14	2014-09-07
2015	2015-05-07	2015-09-20
2016	2016-04-20	2016-09-24
2026	2026-03-12	2026-10-15

Every Fixed Threshold

Fixed thresholds at Romney 1 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	107	1959	50
35 C (95 F): Days	83	48	1930	5
40 C (104 F): Days	5	8	1930	2
90 F (32.2 C): Days	95	80	1930	23
100 F (37.8 C): Days	22	24	1930	2
0 C (32 F): Ice days (max	95	35	1977	10
0 C (32 F): Frost days (min	97	155	2003	56
-10 C (14 F): Days with min	97	47	1978	16
-20 C (-4 F): Days with min	37	7	1961	5
20 C (68 F): Tropical nights (min	96	34	1898	12
25 C (77 F): Days with min	9	5	1897	3
10 mm (0.39 in): Days with 10 mm or more rain	100	47	1996	24
25 mm (0.98 in): Days with 25 mm or more rain	100	15	1918	8
50 mm (1.97 in): Days with 50 mm or more rain	51	4	1955	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1936	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	6	2003	1
25 cm (9.8 in): Days with 25 cm or more snowfall	21	3	1918	1
50 cm (19.7 in): Days with 50 cm or more snowfall	5	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Romney 1 SW 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).

Romney 1 SW Threshold Days by Year (USC00467730)

Key Facts for Romney 1 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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