Vermilion A Threshold Days by Year (CA003016800)

15 fixed thresholds counted per year at Vermilion A (CA003016800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vermilion A Thresholds

Vermilion A: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1951 with 143.
Vermilion A: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1950 with 228.
Vermilion A: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1951 with 144.
Vermilion A: nights with a minimum temperature at or below -20 C (-4 F) in 35 years, most in 1950 with 84.
15 fixed thresholds have at least one qualifying day at Vermilion A.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Vermilion A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1961.

Days at or above 30 C (86 F) per year at Vermilion A
Year	Days	Decade average
1946	7	7.3
1947	10	7.3
1948	6	7.3
1949	6	7.3
1950	8	5.4
1952	1	5.4
1953	6	5.4
1954	3	5.4
1955	6	5.4
1956	4	5.4
1957	3	5.4
1958	10	5.4
1959	8	5.4
1960	7	5.7
1961	16	5.7
1962	1	5.7
1963	2	5.7
1964	9	5.7
1965	10	5.7
1966	3	5.7
1967	5	5.7
1968	2	5.7
1969	2	5.7
1970	7	4.4
1971	7	4.4
1972	3	4.4
1973	3	4.4
1974	3	4.4
1975	4	4.4
1977	3	4.4
1978	5	4.4
1980	1	8.5
1981	16	8.5

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

First to last qualifying date each year at Vermilion A
Year	First date	Last date
1946	1946-07-20	1946-08-23
1947	1947-07-13	1947-08-08
1948	1948-06-07	1948-09-02
1949	1949-07-14	1949-08-17
1950	1950-07-05	1950-09-23
1952	1952-09-26	1952-09-26
1953	1953-05-07	1953-08-19
1954	1954-07-05	1954-07-19
1955	1955-07-13	1955-08-07
1956	1956-06-01	1956-07-20
1957	1957-07-13	1957-07-26
1958	1958-06-26	1958-08-25
1959	1959-05-16	1959-08-01
1960	1960-07-07	1960-08-14
1961	1961-06-03	1961-08-22
1962	1962-06-25	1962-06-25
1963	1963-07-07	1963-09-29
1964	1964-06-27	1964-08-18
1965	1965-06-11	1965-08-22
1966	1966-07-07	1966-09-18
1967	1967-08-18	1967-09-05
1968	1968-07-05	1968-07-09
1969	1969-07-10	1969-08-15
1970	1970-06-02	1970-08-07
1971	1971-05-13	1971-08-21
1972	1972-05-30	1972-08-25
1973	1973-06-22	1973-07-20
1974	1974-06-23	1974-08-05
1975	1975-07-05	1975-07-27
1977	1977-04-26	1977-07-21
1978	1978-06-04	1978-08-10
1980	1980-07-22	1980-07-22
1981	1981-07-03	1981-09-19

Every Fixed Threshold

Fixed thresholds at Vermilion A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	16	1961	16
35 C (95 F): Days	4	1	1955	1
90 F (32.2 C): Days	23	9	1961	8
0 C (32 F): Ice days (max	35	143	1951	95
0 C (32 F): Frost days (min	35	228	1950	201
-10 C (14 F): Days with min	35	144	1951	81
-20 C (-4 F): Days with min	35	84	1950	20
-30 C (-22 F): Days with min	35	38	1950	6
-40 C (-40 F): Days with min	22	10	1950	2
20 C (68 F): Tropical nights (min	2	1	1953	1
10 mm (0.39 in): Days with 10 mm or more rain	35	15	1968	3
25 mm (0.98 in): Days with 25 mm or more rain	26	5	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	6	3	1973	3
10 cm (3.9 in): Days with 10 cm or more snowfall	20	4	1955	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Vermilion 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).

Vermilion A Threshold Days by Year (CA003016800)

Key Facts for Vermilion A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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