Suffield A Threshold Days by Year (CA003036240)

17 fixed thresholds counted per year at Suffield A (CA003036240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Suffield A Thresholds

Suffield A: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1961 with 50.
Suffield A: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1961 with 32.
Suffield A: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1951 with 119.
Suffield A: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1970 with 212.
17 fixed thresholds have at least one qualifying day at Suffield A.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Suffield A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 1961.

Days at or above 30 C (86 F) per year at Suffield A
Year	Days	Decade average
1951	16	21.2
1952	19	21.2
1953	20	21.2
1954	14	21.2
1955	25	21.2
1956	20	21.2
1957	22	21.2
1958	32	21.2
1959	23	21.2
1960	31	30.5
1961	50	30.5
1962	16	30.5
1963	37	30.5
1964	23	30.5
1965	21	30.5
1966	30	30.5
1967	43	30.5
1968	19	30.5
1969	35	30.5
1970	45	21.8
1971	29	21.8
1972	22	21.8
1973	21	21.8
1974	21	21.8
1975	14	21.8
1976	16	21.8
1977	13	21.8
1978	18	21.8
1979	19	21.8
1980	13	20.3
1981	29	20.3
1982	13	20.3
1983	26	20.3

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

First to last qualifying date each year at Suffield A
Year	First date	Last date
1951	1951-05-22	1951-08-21
1952	1952-06-21	1952-09-26
1953	1953-05-06	1953-09-12
1954	1954-05-19	1954-08-09
1955	1955-07-14	1955-09-02
1956	1956-06-01	1956-08-23
1957	1957-06-04	1957-10-01
1958	1958-05-11	1958-09-12
1959	1959-06-12	1959-09-13
1960	1960-06-24	1960-09-04
1961	1961-05-26	1961-08-30
1962	1962-06-24	1962-08-21
1963	1963-05-29	1963-09-30
1964	1964-05-19	1964-08-19
1965	1965-06-10	1965-08-22
1966	1966-05-26	1966-09-19
1967	1967-07-03	1967-09-30
1968	1968-06-19	1968-09-11
1969	1969-06-04	1969-09-13
1970	1970-06-02	1970-09-02
1971	1971-06-22	1971-09-10
1972	1972-05-30	1972-08-29
1973	1973-05-16	1973-08-22
1974	1974-06-16	1974-09-25
1975	1975-07-02	1975-09-15
1976	1976-06-30	1976-09-05
1977	1977-06-01	1977-08-18
1978	1978-06-05	1978-08-10
1979	1979-06-12	1979-09-15
1980	1980-04-20	1980-10-07
1981	1981-06-26	1981-09-18
1982	1982-06-21	1982-09-08
1983	1983-05-25	1983-09-26

Every Fixed Threshold

Fixed thresholds at Suffield A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	50	1961	26
35 C (95 F): Days	25	6	1960	4
40 C (104 F): Days	1	2	1961	2
90 F (32.2 C): Days	33	32	1961	13
100 F (37.8 C): Days	4	2	1961	1
0 C (32 F): Ice days (max	33	119	1951	79
0 C (32 F): Frost days (min	33	212	1970	182
-10 C (14 F): Days with min	33	127	1955	71
-20 C (-4 F): Days with min	33	63	1955	28
-30 C (-22 F): Days with min	33	22	1969	10
-40 C (-40 F): Days with min	8	5	1969	2
20 C (68 F): Tropical nights (min	10	2	1962	2
10 mm (0.39 in): Days with 10 mm or more rain	33	14	1954	4
25 mm (0.98 in): Days with 25 mm or more rain	25	4	1954	1
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1951	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	7	1967	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Suffield A 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).

Suffield A Threshold Days by Year (CA003036240)

Key Facts for Suffield A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related