Foremost Threshold Days by Year (CA003032640)

17 fixed thresholds counted per year at Foremost (CA003032640): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Foremost Thresholds

Foremost: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1970 with 208.
Foremost: nights with a minimum temperature at or below -10 C (14 F) in 23 years, most in 1978 with 102.
Foremost: nights with a minimum temperature at or below -20 C (-4 F) in 23 years, most in 1978 with 50.
Foremost: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1970 with 36.
17 fixed thresholds have at least one qualifying day at Foremost.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Foremost with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1970.

Days at or above 30 C (86 F) per year at Foremost
Year	Days	Decade average
1961	25	22.1
1963	29	22.1
1964	16	22.1
1965	15	22.1
1966	18	22.1
1967	35	22.1
1968	10	22.1
1969	29	22.1
1970	36	19.4
1971	30	19.4
1972	17	19.4
1973	20	19.4
1974	20	19.4
1975	10	19.4
1976	11	19.4
1977	14	19.4
1978	17	19.4
1979	19	19.4
1980	12	17.3
1981	24	17.3
1982	10	17.3
1983	23	17.3

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

First to last qualifying date each year at Foremost
Year	First date	Last date
1961	1961-06-05	1961-08-23
1963	1963-05-29	1963-10-02
1964	1964-06-26	1964-08-18
1965	1965-06-10	1965-08-12
1966	1966-05-26	1966-09-18
1967	1967-07-03	1967-09-29
1968	1968-06-19	1968-09-11
1969	1969-06-04	1969-09-12
1970	1970-06-02	1970-08-31
1971	1971-06-22	1971-09-10
1972	1972-05-31	1972-08-29
1973	1973-05-16	1973-08-21
1974	1974-06-16	1974-09-25
1975	1975-07-04	1975-07-28
1976	1976-07-11	1976-09-05
1977	1977-06-01	1977-08-18
1978	1978-06-05	1978-09-04
1979	1979-06-12	1979-09-15
1980	1980-04-20	1980-09-06
1981	1981-06-26	1981-09-18
1982	1982-06-21	1982-09-03
1983	1983-05-28	1983-09-01

Every Fixed Threshold

Fixed thresholds at Foremost
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	36	1970	23
35 C (95 F): Days	14	6	1971	2
40 C (104 F): Days	1	1	1969	1
90 F (32.2 C): Days	21	21	1967	9
100 F (37.8 C): Days	4	1	1961	1
0 C (32 F): Ice days (max	22	97	1978	65
0 C (32 F): Frost days (min	23	208	1970	195
-10 C (14 F): Days with min	23	102	1978	64
-20 C (-4 F): Days with min	23	50	1978	28
-30 C (-22 F): Days with min	22	17	1969	9
-40 C (-40 F): Days with min	3	1	1968	1
20 C (68 F): Tropical nights (min	2	1	1963	1
10 mm (0.39 in): Days with 10 mm or more rain	20	15	1978	9
25 mm (0.98 in): Days with 25 mm or more rain	15	3	1966	2
50 mm (1.97 in): Days with 50 mm or more rain	3	2	1978	2
10 cm (3.9 in): Days with 10 cm or more snowfall	18	6	1967	3
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Foremost 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).

Foremost Threshold Days by Year (CA003032640)

Key Facts for Foremost Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related