Sutton Threshold Days by Year

17 fixed thresholds counted per year at Sutton (USC00468652): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sutton Thresholds

Sutton: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1927 with 64.
Sutton: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1927 with 18.
Sutton: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1944 with 118.
Sutton: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1944 with 80.
17 fixed thresholds have at least one qualifying day at Sutton.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at Sutton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1944.

Days at or above 30 C (86 F) per year at Sutton
Year	Days	Decade average
1906	100	100
1911	107	90
1918	73	90
1922	37	66
1923	87	66
1924	51	66
1925	94	66
1926	69	66
1927	55	66
1928	57	66
1929	78	66
1930	97	82.1
1931	87	82.1
1932	87	82.1
1933	76	82.1
1934	84	82.1
1935	73	82.1
1936	102	82.1
1937	68	82.1
1938	63	82.1
1939	84	82.1
1940	77	98.2
1941	105	98.2
1942	99	98.2
1943	94	98.2
1944	118	98.2
1945	114	98.2
1946	84	98.2
1947	109	98.2
1948	84	98.2

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

First to last qualifying date each year at Sutton
Year	First date	Last date
1906	1906-04-12	1906-09-28
1911	1911-04-06	1911-10-12
1918	1918-05-18	1918-10-07
1922	1922-05-09	1922-09-12
1923	1923-04-21	1923-09-29
1924	1924-06-19	1924-09-13
1925	1925-04-23	1925-09-21
1926	1926-05-01	1926-10-05
1927	1927-04-19	1927-10-03
1928	1928-05-03	1928-10-16
1929	1929-03-24	1929-09-30
1930	1930-04-11	1930-09-27
1931	1931-05-18	1931-09-23
1932	1932-05-05	1932-09-20
1933	1933-05-20	1933-09-27
1934	1934-05-05	1934-09-28
1935	1935-05-09	1935-09-28
1936	1936-05-01	1936-09-28
1937	1937-05-21	1937-09-25
1938	1938-04-27	1938-11-08
1939	1939-05-18	1939-10-11
1940	1940-05-06	1940-10-15
1941	1941-04-16	1941-10-08
1942	1942-04-25	1942-09-20
1943	1943-05-06	1943-09-07
1944	1944-04-22	1944-09-21
1945	1945-03-25	1945-11-02
1946	1946-05-25	1946-10-06
1947	1947-04-05	1947-10-23
1948	1948-04-24	1948-09-19

Every Fixed Threshold

Fixed thresholds at Sutton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	118	1944	84
35 C (95 F): Days	28	32	1944	8
40 C (104 F): Days	1	4	1930	4
90 F (32.2 C): Days	30	80	1944	43
100 F (37.8 C): Days	9	9	1930	4
0 C (32 F): Ice days (max	29	23	1940	12
0 C (32 F): Frost days (min	29	143	1925	116
-10 C (14 F): Days with min	29	28	1940	24
-20 C (-4 F): Days with min	13	6	1936	2
20 C (68 F): Tropical nights (min	22	28	1906	1
25 C (77 F): Days with min	2	1	1906	1
10 mm (0.39 in): Days with 10 mm or more rain	31	64	1927	43
25 mm (0.98 in): Days with 25 mm or more rain	31	18	1927	9
50 mm (1.97 in): Days with 50 mm or more rain	22	4	1924	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1918	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	6	1926	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	1928	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Sutton 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).

Sutton Threshold Days by Year

Key Facts for Sutton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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