Stafford Threshold Days by Year (USC00308152)

17 fixed thresholds counted per year at Stafford (USC00308152): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stafford Thresholds

Stafford: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1955 with 63.
Stafford: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1960 with 77.
Stafford: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1944 with 162.
Stafford: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1934 with 55.
17 fixed thresholds have at least one qualifying day at Stafford.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Stafford with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1955.

Days at or above 30 C (86 F) per year at Stafford
Year	Days	Decade average
1932	18	32.9
1933	41	32.9
1934	42	32.9
1935	29	32.9
1936	37	32.9
1937	30	32.9
1938	26	32.9
1939	40	32.9
1940	26	38
1941	47	38
1942	28	38
1943	36	38
1944	38	38
1945	46	38
1946	40	38
1947	28	38
1949	53	38
1950	19	31.9
1951	23	31.9
1952	52	31.9
1953	38	31.9
1954	28	31.9
1955	63	31.9
1956	15	31.9
1957	19	31.9
1958	9	31.9
1959	53	31.9
1960	10	16.3
1961	6	16.3
1962	14	16.3
1963	17	16.3
1964	31	16.3
1965	17	16.3
1966	19	16.3

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

First to last qualifying date each year at Stafford
Year	First date	Last date
1932	1932-06-20	1932-09-20
1933	1933-06-08	1933-09-09
1934	1934-05-21	1934-09-24
1935	1935-06-14	1935-09-25
1936	1936-05-01	1936-09-23
1937	1937-07-05	1937-09-24
1938	1938-06-20	1938-08-21
1939	1939-05-27	1939-09-17
1940	1940-06-07	1940-08-19
1941	1941-05-21	1941-10-07
1942	1942-05-01	1942-09-18
1943	1943-06-04	1943-09-07
1944	1944-05-03	1944-08-24
1945	1945-03-27	1945-09-11
1946	1946-06-11	1946-09-29
1947	1947-06-10	1947-09-15
1949	1949-06-03	1949-10-10
1950	1950-06-08	1950-08-28
1951	1951-07-09	1951-10-05
1952	1952-06-08	1952-09-14
1953	1953-06-19	1953-10-03
1954	1954-06-10	1954-09-29
1955	1955-05-27	1955-09-19
1956	1956-06-13	1956-09-05
1957	1957-06-13	1957-08-24
1958	1958-07-05	1958-09-06
1959	1959-05-20	1959-09-29
1960	1960-07-12	1960-09-09
1961	1961-06-13	1961-09-14
1962	1962-05-16	1962-09-13
1963	1963-06-24	1963-07-28
1964	1964-06-09	1964-09-10
1965	1965-06-27	1965-09-23
1966	1966-06-23	1966-08-09

Every Fixed Threshold

Fixed thresholds at Stafford
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	63	1955	19
35 C (95 F): Days	17	13	1955	1
90 F (32.2 C): Days	32	45	1955	4
100 F (37.8 C): Days	3	4	1936	1
0 C (32 F): Ice days (max	34	77	1960	61
0 C (32 F): Frost days (min	34	162	1944	155
-10 C (14 F): Days with min	34	55	1934	35
-20 C (-4 F): Days with min	31	13	1934	5
-30 C (-22 F): Days with min	4	2	1957	1
20 C (68 F): Tropical nights (min	34	24	1959	9
25 C (77 F): Days with min	5	3	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	33	31	1942	22
25 mm (0.98 in): Days with 25 mm or more rain	33	9	1942	5
50 mm (1.97 in): Days with 50 mm or more rain	8	2	1933	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	14	1960	7
25 cm (9.8 in): Days with 25 cm or more snowfall	14	3	1960	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Stafford 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).

Stafford Threshold Days by Year (USC00308152)

Key Facts for Stafford Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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