Stanstead Threshold Days by Year (CA007028280)

13 fixed thresholds counted per year at Stanstead (CA007028280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stanstead Thresholds

Stanstead: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1965 with 101.
Stanstead: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1965 with 204.
Stanstead: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1978 with 96.
Stanstead: nights with a minimum temperature at or below -20 C (-4 F) in 35 years, most in 1968 with 45.
13 fixed thresholds have at least one qualifying day at Stanstead.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Stanstead with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1949.

Days at or above 30 C (86 F) per year at Stanstead
Year	Days	Decade average
1949	16	16
1952	9	6.7
1953	9	6.7
1954	1	6.7
1955	16	6.7
1956	1	6.7
1957	4	6.7
1959	7	6.7
1960	3	3.3
1961	5	3.3
1962	1	3.3
1963	8	3.3
1964	4	3.3
1965	3	3.3
1966	1	3.3
1968	3	3.3
1969	2	3.3
1970	8	4.4
1971	3	4.4
1972	1	4.4
1973	2	4.4
1974	1	4.4
1975	12	4.4
1976	1	4.4
1977	9	4.4
1978	4	4.4
1979	3	4.4
1980	1	2.8
1981	2	2.8
1982	3	2.8
1983	5	2.8

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

First to last qualifying date each year at Stanstead
Year	First date	Last date
1949	1949-06-13	1949-08-27
1952	1952-07-03	1952-08-28
1953	1953-05-10	1953-09-03
1954	1954-06-22	1954-06-22
1955	1955-06-18	1955-08-22
1956	1956-06-14	1956-06-14
1957	1957-06-15	1957-06-23
1959	1959-06-29	1959-08-27
1960	1960-06-17	1960-09-08
1961	1961-05-15	1961-09-04
1962	1962-05-18	1962-05-18
1963	1963-06-30	1963-07-29
1964	1964-05-24	1964-07-28
1965	1965-06-28	1965-09-22
1966	1966-07-03	1966-07-03
1968	1968-07-15	1968-07-19
1969	1969-06-27	1969-07-16
1970	1970-07-25	1970-08-16
1971	1971-06-07	1971-06-30
1972	1972-07-15	1972-07-15
1973	1973-07-08	1973-08-10
1974	1974-06-10	1974-06-10
1975	1975-05-20	1975-08-03
1976	1976-06-15	1976-06-15
1977	1977-05-21	1977-08-29
1978	1978-05-27	1978-07-08
1979	1979-05-09	1979-07-25
1980	1980-06-26	1980-06-26
1981	1981-06-16	1981-07-08
1982	1982-07-07	1982-07-18
1983	1983-06-13	1983-07-04

Every Fixed Threshold

Fixed thresholds at Stanstead
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	16	1949	5
90 F (32.2 C): Days	12	7	1955	1
0 C (32 F): Ice days (max	35	101	1965	70
0 C (32 F): Frost days (min	35	204	1965	176
-10 C (14 F): Days with min	35	96	1978	71
-20 C (-4 F): Days with min	35	45	1968	16
-30 C (-22 F): Days with min	29	9	1968	3
20 C (68 F): Tropical nights (min	30	9	1949	5
10 mm (0.39 in): Days with 10 mm or more rain	35	51	1973	45
25 mm (0.98 in): Days with 25 mm or more rain	35	13	1981	7
50 mm (1.97 in): Days with 50 mm or more rain	11	1	1949	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	15	1971	6
25 cm (9.8 in): Days with 25 cm or more snowfall	22	2	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Stanstead 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).

Stanstead Threshold Days by Year (CA007028280)

Key Facts for Stanstead Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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