Danville Threshold Days by Year (USC00152040)

17 fixed thresholds counted per year at Danville (USC00152040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Danville Thresholds

Danville: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1972 with 55.
Danville: days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 2025 with 24.
Danville: days with a maximum temperature at or above 30 C (86 F) in 85 years, most in 1941 with 100.
Danville: days with a maximum temperature at or below 0 C (32 F) in 85 years, most in 1977 with 42.
17 fixed thresholds have at least one qualifying day at Danville.

Days at or above 30 C (86 F)

85 years with a qualifying day

Days per year at Danville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1941.

Days at or above 30 C (86 F) per year at Danville
Year	Days	Decade average
1934	86	76.7
1935	58	76.7
1936	81	76.7
1937	85	76.7
1938	65	76.7
1939	85	76.7
1940	56	64.6
1941	100	64.6
1942	75	64.6
1943	75	64.6
1945	56	64.6
1946	44	64.6
1947	50	64.6
1948	55	64.6
1949	70	64.6
1950	30	74.6
1951	81	74.6
1952	91	74.6
1953	92	74.6
1954	98	74.6
1955	79	74.6
1956	75	74.6
1957	70	74.6
1958	47	74.6
1959	83	74.6
1960	50	59.2
1961	52	59.2
1962	72	59.2
1963	58	59.2
1964	76	59.2
1965	63	59.2
1966	61	59.2
1967	34	59.2
1968	56	59.2
1969	70	59.2
1970	65	49.5
1971	50	49.5
1972	50	49.5
1973	57	49.5
1974	26	49.5
1975	71	49.5
1976	32	49.5
1977	60	49.5
1978	52	49.5
1979	32	49.5
1980	65	55.8
1981	35	55.8
1982	31	55.8
1983	79	55.8
1984	58	55.8
1985	48	55.8
1986	68	55.8
1987	62	55.8
1988	68	55.8
1989	44	55.8
1990	45	53.7
1991	54	53.7
1992	26	53.7
1993	65	53.7
1994	32	53.7
1995	66	53.7
1996	42	53.7
1997	51	53.7
1998	81	53.7
1999	75	53.7
2000	57	55.2
2001	52	55.2
2002	87	55.2
2003	39	55.2
2004	32	55.2
2005	72	55.2
2006	44	55.2
2007	90	55.2
2008	53	55.2
2009	26	55.2
2010	83	70.6
2011	74	70.6
2012	64	70.6
2013	51	70.6
2014	70	70.6
2015	58	70.6
2016	86	70.6
2017	58	70.6
2018	76	70.6
2019	86	70.6

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

First to last qualifying date each year at Danville
Year	First date	Last date
1934	1934-04-05	1934-09-25
1935	1935-06-26	1935-10-16
1936	1936-05-07	1936-09-23
1937	1937-04-18	1937-10-06
1938	1938-05-03	1938-09-27
1939	1939-05-18	1939-10-10
1940	1940-04-02	1940-09-22
1941	1941-04-19	1941-10-09
1942	1942-04-30	1942-10-07
1943	1943-05-06	1943-09-30
1945	1945-06-01	1945-09-28
1946	1946-04-03	1946-09-27
1947	1947-05-15	1947-09-21
1948	1948-04-25	1948-09-21
1949	1949-05-04	1949-10-12
1950	1950-05-05	1950-10-18
1951	1951-04-29	1951-10-07
1952	1952-05-03	1952-10-02
1953	1953-05-23	1953-10-24
1954	1954-06-01	1954-10-06
1955	1955-04-19	1955-09-30
1956	1956-05-13	1956-10-02
1957	1957-04-27	1957-09-22
1958	1958-06-05	1958-09-27
1959	1959-05-03	1959-10-06
1960	1960-04-24	1960-09-09
1961	1961-06-12	1961-09-26
1962	1962-05-01	1962-10-12
1963	1963-04-22	1963-10-21
1964	1964-05-19	1964-09-22
1965	1965-04-24	1965-09-23
1966	1966-05-09	1966-09-05
1967	1967-05-26	1967-09-21
1968	1968-06-07	1968-09-25
1969	1969-05-06	1969-10-13
1970	1970-04-30	1970-09-25
1971	1971-06-03	1971-10-03
1972	1972-05-26	1972-09-26
1973	1973-06-04	1973-10-05
1974	1974-05-18	1974-08-29
1975	1975-05-22	1975-09-11
1976	1976-06-10	1976-09-09
1977	1977-04-19	1977-09-19
1978	1978-05-28	1978-09-22
1979	1979-05-12	1979-09-13
1980	1980-05-29	1980-09-23
1981	1981-06-09	1981-09-14
1982	1982-05-13	1982-08-21
1983	1983-06-14	1983-10-04
1984	1984-06-05	1984-09-23
1985	1985-04-22	1985-09-23
1986	1986-04-27	1986-10-04
1987	1987-05-02	1987-09-14
1988	1988-05-15	1988-09-23
1989	1989-04-26	1989-09-21
1990	1990-04-25	1990-09-07
1991	1991-05-28	1991-09-16
1992	1992-06-15	1992-08-26
1993	1993-05-30	1993-09-14
1994	1994-06-05	1994-09-17
1995	1995-05-22	1995-09-12
1996	1996-05-18	1996-09-05
1997	1997-06-19	1997-10-07
1998	1998-03-31	1998-10-05
1999	1999-05-10	1999-09-28
2000	2000-05-12	2000-10-04
2001	2001-04-07	2001-09-08
2002	2002-04-16	2002-09-19
2003	2003-06-23	2003-09-01
2004	2004-05-08	2004-09-24
2005	2005-05-13	2005-10-06
2006	2006-05-28	2006-08-27
2007	2007-05-22	2007-10-08
2008	2008-06-04	2008-09-23
2009	2009-06-01	2009-08-26
2010	2010-05-27	2010-10-10
2011	2011-05-11	2011-09-14
2012	2012-05-02	2012-09-07
2013	2013-05-21	2013-09-11
2014	2014-05-05	2014-10-02
2015	2015-05-11	2015-09-19
2016	2016-04-19	2016-09-25
2017	2017-04-30	2017-09-28
2018	2018-05-12	2018-10-10
2019	2019-05-19	2019-10-05

Every Fixed Threshold

Fixed thresholds at Danville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	85	100	1941	86
35 C (95 F): Days	56	27	1954	6
40 C (104 F): Days	3	1	1953	1
90 F (32.2 C): Days	84	65	1952	35
100 F (37.8 C): Days	16	7	1954	6
0 C (32 F): Ice days (max	85	42	1977	8
0 C (32 F): Frost days (min	68	136	2013	93
-10 C (14 F): Days with min	68	42	1963	10
-20 C (-4 F): Days with min	29	9	1963	2
20 C (68 F): Tropical nights (min	68	53	1986	29
25 C (77 F): Days with min	6	2	1983	1
10 mm (0.39 in): Days with 10 mm or more rain	87	55	1972	29
25 mm (0.98 in): Days with 25 mm or more rain	87	24	2025	10
50 mm (1.97 in): Days with 50 mm or more rain	80	9	2025	3
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1989	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	4	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

Data for Danville 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).

Danville Threshold Days by Year (USC00152040)

Key Facts for Danville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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