Assiniboia Threshold Days by Year (CA004020280)

17 fixed thresholds counted per year at Assiniboia (CA004020280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Assiniboia Thresholds

Assiniboia: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 1983 with 35.
Assiniboia: days with a maximum temperature at or below 0 C (32 F) in 15 years, most in 1982 with 118.
Assiniboia: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1917 with 216.
Assiniboia: nights with a minimum temperature at or below -10 C (14 F) in 15 years, most in 1917 with 123.
17 fixed thresholds have at least one qualifying day at Assiniboia.

Days at or above 30 C (86 F)

15 years with a qualifying day

Days per year at Assiniboia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1983.

Days at or above 30 C (86 F) per year at Assiniboia
Year	Days	Decade average
1916	7	15.7
1917	22	15.7
1918	18	15.7
1966	20	20.3
1967	29	20.3
1968	12	20.3
1974	14	11.6
1975	15	11.6
1976	8	11.6
1977	10	11.6
1978	11	11.6
1980	19	22.5
1981	25	22.5
1982	11	22.5
1983	35	22.5

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

First to last qualifying date each year at Assiniboia
Year	First date	Last date
1916	1916-07-13	1916-09-09
1917	1917-05-15	1917-09-23
1918	1918-06-09	1918-08-26
1966	1966-06-28	1966-09-11
1967	1967-06-27	1967-09-29
1968	1968-06-02	1968-09-11
1974	1974-06-17	1974-07-22
1975	1975-06-24	1975-08-06
1976	1976-07-17	1976-09-17
1977	1977-04-26	1977-08-24
1978	1978-05-15	1978-09-10
1980	1980-04-20	1980-09-07
1981	1981-05-20	1981-09-19
1982	1982-06-22	1982-09-09
1983	1983-06-10	1983-09-26

Every Fixed Threshold

Fixed thresholds at Assiniboia
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	15	35	1983	35
35 C (95 F): Days	10	9	1983	9
40 C (104 F): Days	1	1	1917	1
90 F (32.2 C): Days	14	16	1983	16
100 F (37.8 C): Days	3	1	1917	1
0 C (32 F): Ice days (max	15	118	1982	97
0 C (32 F): Frost days (min	15	216	1917	205
-10 C (14 F): Days with min	15	123	1917	85
-20 C (-4 F): Days with min	15	75	1916	34
-30 C (-22 F): Days with min	15	26	1916	11
-40 C (-40 F): Days with min	5	2	1916	1
20 C (68 F): Tropical nights (min	4	2	1917	1
10 mm (0.39 in): Days with 10 mm or more rain	15	14	1978	8
25 mm (0.98 in): Days with 25 mm or more rain	12	5	1982	3
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1975	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	4	1976	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1983	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

Data for Assiniboia 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).

Assiniboia Threshold Days by Year (CA004020280)

Key Facts for Assiniboia Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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