Granville Threshold Days by Year (USC00333315)

17 fixed thresholds counted per year at Granville (USC00333315): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Granville Thresholds

Granville: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1922 with 86.
Granville: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1895 with 46.
Granville: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1912 with 43.
Granville: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1895 with 157.
17 fixed thresholds have at least one qualifying day at Granville.

Days at or above 30 C (86 F)

39 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 86 in 1922.

Days at or above 30 C (86 F) per year at Granville
Year	Days	Decade average
1894	70	63.3
1895	85	63.3
1896	44	63.3
1897	52	63.3
1898	62	63.3
1899	67	63.3
1900	69	49.2
1902	46	49.2
1903	61	49.2
1904	28	49.2
1905	40	49.2
1906	58	49.2
1907	36	49.2
1908	73	49.2
1909	32	49.2
1910	56	51.9
1911	73	51.9
1912	38	51.9
1913	58	51.9
1914	64	51.9
1915	26	51.9
1916	54	51.9
1917	32	51.9
1918	58	51.9
1919	60	51.9
1920	17	48.4
1921	66	48.4
1922	86	48.4
1923	73	48.4
1924	52	48.4
1925	56	48.4
1926	38	48.4
1927	31	48.4
1928	33	48.4
1929	32	48.4
1930	63	56.5
1931	57	56.5
1932	50	56.5
1933	56	56.5

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
1894	1894-05-10	1894-09-15
1895	1895-05-03	1895-09-22
1896	1896-04-17	1896-09-12
1897	1897-06-11	1897-10-16
1898	1898-05-21	1898-10-03
1899	1899-04-29	1899-10-25
1900	1900-05-14	1900-10-05
1902	1902-05-03	1902-09-27
1903	1903-05-16	1903-10-04
1904	1904-05-25	1904-09-30
1905	1905-05-04	1905-09-28
1906	1906-05-15	1906-09-19
1907	1907-06-18	1907-09-21
1908	1908-05-23	1908-10-06
1909	1909-07-01	1909-09-20
1910	1910-06-16	1910-10-03
1911	1911-05-11	1911-09-09
1912	1912-05-23	1912-09-15
1913	1913-05-04	1913-09-08
1914	1914-04-29	1914-09-23
1915	1915-04-25	1915-09-18
1916	1916-05-27	1916-10-08
1917	1917-06-14	1917-09-16
1918	1918-05-23	1918-08-26
1919	1919-05-30	1919-10-04
1920	1920-05-28	1920-08-06
1921	1921-04-26	1921-09-30
1922	1922-05-12	1922-10-07
1923	1923-05-05	1923-09-29
1924	1924-05-07	1924-10-19
1925	1925-04-24	1925-09-21
1926	1926-05-02	1926-10-04
1927	1927-05-10	1927-10-01
1928	1928-05-04	1928-09-15
1929	1929-05-27	1929-09-05
1930	1930-04-11	1930-09-11
1931	1931-05-28	1931-09-22
1932	1932-05-15	1932-09-19
1933	1933-05-24	1933-09-09

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	39	86	1922	56
35 C (95 F): Days	29	18	1911	11
40 C (104 F): Days	2	2	1911	1
90 F (32.2 C): Days	39	46	1895	31
100 F (37.8 C): Days	4	4	1911	1
0 C (32 F): Ice days (max	39	43	1912	19
0 C (32 F): Frost days (min	39	157	1895	110
-10 C (14 F): Days with min	39	46	1895	17
-20 C (-4 F): Days with min	31	13	1917	2
-30 C (-22 F): Days with min	4	2	1918	2
20 C (68 F): Tropical nights (min	38	49	1899	25
25 C (77 F): Days with min	1	7	1899	7
10 mm (0.39 in): Days with 10 mm or more rain	34	46	1898	38
25 mm (0.98 in): Days with 25 mm or more rain	34	13	1897	11
50 mm (1.97 in): Days with 50 mm or more rain	21	4	1929	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1904	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	2	1903	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

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 (USC00333315)

Key Facts for Granville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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