Warrenton Threshold Days by Year (USC00099141)

17 fixed thresholds counted per year at Warrenton (USC00099141): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Warrenton Thresholds

Warrenton: days with 10 mm (0.39 in) or more of precipitation in 97 years, most in 1975 with 60.
Warrenton: days with 25 mm (0.98 in) or more of precipitation in 97 years, most in 1962 with 25.
Warrenton: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1925 with 139.
Warrenton: days with a maximum temperature at or above 90 F (32.2 C) in 95 years, most in 1925 with 108.
17 fixed thresholds have at least one qualifying day at Warrenton.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Warrenton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 1925.

Days at or above 30 C (86 F) per year at Warrenton
Year	Days	Decade average
1915	122	113.8
1916	109	113.8
1917	109	113.8
1918	109	113.8
1919	120	113.8
1920	117	113.7
1921	122	113.7
1922	113	113.7
1923	94	113.7
1924	98	113.7
1925	139	113.7
1926	128	113.7
1927	129	113.7
1928	92	113.7
1929	105	113.7
1930	117	114.4
1931	126	114.4
1932	109	114.4
1933	125	114.4
1934	118	114.4
1935	119	114.4
1936	113	114.4
1937	110	114.4
1938	99	114.4
1939	108	114.4
1940	92	93
1941	120	93
1942	103	93
1943	108	93
1946	76	93
1947	75	93
1948	83	93
1949	87	93
1950	108	113.1
1951	119	113.1
1952	113	113.1
1953	112	113.1
1954	125	113.1
1955	98	113.1
1956	114	113.1
1957	111	113.1
1958	115	113.1
1959	116	113.1
1960	120	98.3
1961	97	98.3
1962	124	98.3
1963	101	98.3
1964	79	98.3
1965	73	98.3
1966	96	98.3
1967	96	98.3
1968	100	98.3
1969	97	98.3
1970	121	115.2
1971	119	115.2
1972	113	115.2
1973	122	115.2
1974	125	115.2
1975	115	115.2
1976	104	115.2
1977	127	115.2
1978	124	115.2
1979	82	115.2
1980	125	105.8
1981	100	105.8
1982	109	105.8
1983	109	105.8
1984	119	105.8
1985	125	105.8
1986	116	105.8
1987	112	105.8
1988	72	105.8
1989	71	105.8
1990	110	87.1
1991	71	87.1
1992	60	87.1
1993	97	87.1
1994	66	87.1
1995	91	87.1
1997	76	87.1
1998	113	87.1
1999	100	87.1
2000	106	97.8
2001	94	97.8
2002	112	97.8
2003	51	97.8
2004	102	97.8
2005	92	97.8
2006	112	97.8
2007	115	97.8
2008	101	97.8
2009	93	97.8
2010	132	117
2011	121	117
2012	98	117

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

First to last qualifying date each year at Warrenton
Year	First date	Last date
1915	1915-04-20	1915-10-17
1916	1916-04-14	1916-10-08
1917	1917-04-18	1917-09-22
1918	1918-03-15	1918-10-08
1919	1919-04-09	1919-11-01
1920	1920-04-21	1920-10-23
1921	1921-03-18	1921-09-29
1922	1922-04-13	1922-10-07
1923	1923-04-23	1923-10-02
1924	1924-05-04	1924-10-06
1925	1925-03-08	1925-10-17
1926	1926-04-23	1926-10-21
1927	1927-04-17	1927-10-30
1928	1928-03-29	1928-10-14
1929	1929-03-24	1929-09-17
1930	1930-04-12	1930-09-26
1931	1931-05-17	1931-10-25
1932	1932-04-06	1932-09-19
1933	1933-05-06	1933-10-01
1934	1934-04-03	1934-09-29
1935	1935-03-21	1935-10-15
1936	1936-04-15	1936-09-29
1937	1937-04-19	1937-10-07
1938	1938-04-30	1938-10-20
1939	1939-05-11	1939-10-24
1940	1940-04-02	1940-10-27
1941	1941-04-18	1941-10-23
1942	1942-04-06	1942-09-24
1943	1943-04-10	1943-10-21
1946	1946-04-03	1946-09-11
1947	1947-05-14	1947-09-22
1948	1948-03-21	1948-09-23
1949	1949-05-06	1949-09-20
1950	1950-04-27	1950-10-15
1951	1951-04-30	1951-10-07
1952	1952-01-26	1952-10-02
1953	1953-04-09	1953-10-12
1954	1954-04-07	1954-10-11
1955	1955-04-17	1955-10-07
1956	1956-04-06	1956-09-22
1957	1957-04-05	1957-09-23
1958	1958-04-24	1958-11-17
1959	1959-04-08	1959-10-07
1960	1960-04-23	1960-10-11
1961	1961-03-30	1961-11-02
1962	1962-04-30	1962-10-07
1963	1963-04-03	1963-10-28
1964	1964-04-24	1964-09-06
1965	1965-04-08	1965-09-23
1966	1966-04-13	1966-10-11
1967	1967-04-03	1967-10-07
1968	1968-04-20	1968-10-04
1969	1969-04-04	1969-09-29
1970	1970-04-20	1970-10-15
1971	1971-04-18	1971-10-05
1972	1972-04-08	1972-10-18
1973	1973-03-15	1973-10-06
1974	1974-03-08	1974-10-01
1975	1975-04-19	1975-10-13
1976	1976-03-04	1976-09-27
1977	1977-03-16	1977-10-02
1978	1978-04-01	1978-09-23
1979	1979-05-05	1979-09-10
1980	1980-04-23	1980-09-27
1981	1981-04-12	1981-10-07
1982	1982-05-11	1982-10-12
1983	1983-05-08	1983-10-06
1984	1984-03-17	1984-10-31
1985	1985-03-31	1985-10-22
1986	1986-04-04	1986-10-06
1987	1987-04-23	1987-09-19
1988	1988-04-06	1988-09-25
1989	1989-05-23	1989-09-17
1990	1990-04-27	1990-10-10
1991	1991-04-30	1991-09-20
1992	1992-05-19	1992-09-23
1993	1993-05-08	1993-10-22
1994	1994-04-21	1994-09-04
1995	1995-03-24	1995-09-23
1997	1997-05-19	1997-10-07
1998	1998-05-15	1998-10-02
1999	1999-04-03	1999-09-17
2000	2000-05-06	2000-09-26
2001	2001-04-10	2001-09-23
2002	2002-04-16	2002-10-07
2003	2003-05-09	2003-09-22
2004	2004-04-25	2004-09-07
2005	2005-05-13	2005-10-05
2006	2006-04-03	2006-10-07
2007	2007-03-26	2007-10-10
2008	2008-05-09	2008-10-01
2009	2009-04-27	2009-09-26
2010	2010-04-03	2010-09-26
2011	2011-03-20	2011-10-18
2012	2012-04-03	2012-10-25

Every Fixed Threshold

Fixed thresholds at Warrenton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	139	1925	98
35 C (95 F): Days	89	71	1925	17
40 C (104 F): Days	16	8	1925	2
90 F (32.2 C): Days	95	108	1925	57
100 F (37.8 C): Days	54	25	1925	3
110 F (43.3 C): Days	2	1	1925	1
0 C (32 F): Ice days (max	33	7	1917	1
0 C (32 F): Frost days (min	94	79	1988	38
-10 C (14 F): Days with min	49	8	1977	2
20 C (68 F): Tropical nights (min	94	101	1921	56
25 C (77 F): Days with min	22	6	1925	1
10 mm (0.39 in): Days with 10 mm or more rain	97	60	1975	33
25 mm (0.98 in): Days with 25 mm or more rain	97	25	1962	7
50 mm (1.97 in): Days with 50 mm or more rain	91	10	1964	2
100 mm (3.94 in): Days with 100 mm or more rain	23	3	1929	1
10 cm (3.9 in): Days with 10 cm or more snowfall	3	1	1936	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1973	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Warrenton 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).

Warrenton Threshold Days by Year (USC00099141)

Key Facts for Warrenton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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