Granville Threshold Days by Year

21 fixed thresholds counted per year at Granville (USC00323686): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Granville Thresholds

Granville: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1907 with 223.
Granville: nights with a minimum temperature at or below -10 C (14 F) in 83 years, most in 1950 with 132.
Granville: nights with a minimum temperature at or below -20 C (-4 F) in 83 years, most in 1950 with 78.
Granville: days with a maximum temperature at or above 30 C (86 F) in 81 years, most in 1961 with 64.
21 fixed thresholds have at least one qualifying day at Granville.

Days at or above 30 C (86 F)

81 years with a qualifying day

Days per year at Granville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1961.

Days at or above 30 C (86 F) per year at Granville
Year	Days	Decade average
1907	12	12
1910	39	23.5
1911	13	23.5
1912	16	23.5
1914	28	23.5
1915	6	23.5
1917	36	23.5
1918	21	23.5
1919	29	23.5
1920	33	23.1
1921	30	23.1
1922	28	23.1
1923	31	23.1
1924	8	23.1
1925	30	23.1
1926	27	23.1
1927	2	23.1
1928	11	23.1
1929	31	23.1
1930	36	40.8
1931	37	40.8
1932	33	40.8
1933	45	40.8
1934	46	40.8
1935	27	40.8
1936	57	40.8
1937	46	40.8
1938	36	40.8
1939	45	40.8
1940	42	29.8
1941	47	29.8
1943	17	29.8
1944	14	29.8
1945	20	29.8
1946	34	29.8
1947	28	29.8
1948	26	29.8
1949	40	29.8
1950	14	25.1
1951	14	25.1
1952	31	25.1
1953	21	25.1
1954	15	25.1
1955	34	25.1
1956	20	25.1
1957	26	25.1
1958	34	25.1
1959	42	25.1
1960	43	38.1
1961	64	38.1
1962	20	38.1
1963	41	38.1
1964	35	38.1
1965	18	38.1
1966	50	38.1
1967	44	38.1
1968	23	38.1
1969	43	38.1
1970	52	35.9
1971	33	35.9
1972	30	35.9
1973	34	35.9
1974	43	35.9
1977	23	35.9
1978	36	35.9
1980	28	32.6
1981	21	32.6
1983	37	32.6
1984	38	32.6
1985	12	32.6
1986	23	32.6
1988	53	32.6
1989	49	32.6
1990	36	36.2
1991	39	36.2
1995	45	36.2
1997	45	36.2
1998	34	36.2
1999	18	36.2
2000	18	25.5
2003	33	25.5

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

First to last qualifying date each year at Granville
Year	First date	Last date
1907	1907-06-01	1907-08-22
1910	1910-04-20	1910-10-09
1911	1911-04-27	1911-08-14
1912	1912-05-28	1912-08-23
1914	1914-06-02	1914-10-15
1915	1915-04-14	1915-09-08
1917	1917-06-09	1917-09-23
1918	1918-05-04	1918-09-13
1919	1919-05-27	1919-09-12
1920	1920-06-07	1920-10-07
1921	1921-06-14	1921-09-01
1922	1922-06-04	1922-10-01
1923	1923-05-26	1923-09-21
1924	1924-07-15	1924-09-02
1925	1925-05-19	1925-09-16
1926	1926-05-04	1926-08-26
1927	1927-08-08	1927-09-13
1928	1928-05-08	1928-09-06
1929	1929-06-15	1929-09-14
1930	1930-05-03	1930-09-18
1931	1931-05-23	1931-09-07
1932	1932-05-13	1932-09-08
1933	1933-06-01	1933-09-19
1934	1934-05-05	1934-10-13
1935	1935-06-28	1935-09-22
1936	1936-05-11	1936-10-08
1937	1937-05-28	1937-09-21
1938	1938-06-19	1938-10-03
1939	1939-04-30	1939-09-21
1940	1940-05-11	1940-09-18
1941	1941-05-17	1941-09-19
1943	1943-07-07	1943-10-10
1944	1944-05-13	1944-08-12
1945	1945-06-21	1945-10-16
1946	1946-05-25	1946-09-16
1947	1947-04-28	1947-09-02
1948	1948-05-18	1948-09-15
1949	1949-04-29	1949-10-05
1950	1950-06-04	1950-09-25
1951	1951-06-15	1951-08-01
1952	1952-04-19	1952-09-27
1953	1953-06-14	1953-10-15
1954	1954-05-20	1954-09-01
1955	1955-05-02	1955-10-10
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-10-02
1958	1958-05-11	1958-10-13
1959	1959-05-24	1959-09-13
1960	1960-05-12	1960-10-04
1961	1961-05-29	1961-10-15
1962	1962-04-24	1962-09-02
1963	1963-05-30	1963-10-05
1964	1964-05-17	1964-09-17
1965	1965-05-13	1965-08-23
1966	1966-05-21	1966-09-20
1967	1967-05-22	1967-09-11
1968	1968-06-02	1968-09-15
1969	1969-05-26	1969-09-14
1970	1970-05-17	1970-09-30
1971	1971-06-03	1971-09-03
1972	1972-05-15	1972-09-20
1973	1973-05-17	1973-08-31
1974	1974-06-19	1974-08-25
1977	1977-04-10	1977-08-10
1978	1978-05-23	1978-09-11
1980	1980-04-19	1980-10-07
1981	1981-06-28	1981-09-11
1983	1983-06-11	1983-09-08
1984	1984-05-17	1984-09-18
1985	1985-05-04	1985-08-09
1986	1986-05-28	1986-08-31
1988	1988-05-25	1988-10-14
1989	1989-05-15	1989-10-01
1990	1990-04-22	1990-09-26
1991	1991-05-12	1991-09-08
1995	1995-05-30	1995-09-05
1997	1997-05-17	1997-09-24
1998	1998-05-17	1998-09-11
1999	1999-05-28	1999-09-06
2000	2000-07-01	2000-09-17
2003	2003-05-29	2003-09-08

Every Fixed Threshold

Fixed thresholds at Granville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	81	64	1961	33
35 C (95 F): Days	75	29	1936	7
40 C (104 F): Days	15	7	1936	2
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	81	46	1936	19
100 F (37.8 C): Days	44	18	1936	1
110 F (43.3 C): Days	1	2	1936	2
0 C (32 F): Ice days (max	81	119	1950	104
0 C (32 F): Frost days (min	83	223	1907	161
-10 C (14 F): Days with min	83	132	1950	89
-20 C (-4 F): Days with min	83	78	1950	31
-30 C (-22 F): Days with min	81	37	1936	2
-40 C (-40 F): Days with min	12	6	1936	1
20 C (68 F): Tropical nights (min	62	11	1988	3
25 C (77 F): Days with min	4	1	1912	1
10 mm (0.39 in): Days with 10 mm or more rain	68	21	1954	8
25 mm (0.98 in): Days with 25 mm or more rain	61	7	1971	2
50 mm (1.97 in): Days with 50 mm or more rain	21	2	1914	2
10 cm (3.9 in): Days with 10 cm or more snowfall	42	6	1967	5
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1980	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1984	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Granville 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).

Granville Threshold Days by Year

Key Facts for Granville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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