Roberval A Threshold Days by Year (CA007066685)

17 fixed thresholds counted per year at Roberval A (CA007066685): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roberval A Thresholds

Roberval A: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1976 with 131.
Roberval A: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1972 with 215.
Roberval A: nights with a minimum temperature at or below -10 C (14 F) in 26 years, most in 1972 with 123.
Roberval A: nights with a minimum temperature at or below -20 C (-4 F) in 26 years, most in 1972 with 76.
17 fixed thresholds have at least one qualifying day at Roberval A.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Roberval A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1983.

Days at or above 30 C (86 F) per year at Roberval A
Year	Days	Decade average
1959	8	8
1960	3	3.2
1961	1	3.2
1962	3	3.2
1963	11	3.2
1964	1	3.2
1965	2	3.2
1966	2	3.2
1967	3	3.2
1968	3	3.2
1969	3	3.2
1970	4	6
1971	1	6
1972	2	6
1973	2	6
1974	5	6
1975	10	6
1976	13	6
1977	10	6
1978	7	6
1979	6	6
1980	1	6.3
1981	2	6.3
1982	4	6.3
1983	18	6.3

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

First to last qualifying date each year at Roberval A
Year	First date	Last date
1959	1959-06-29	1959-09-10
1960	1960-06-28	1960-09-07
1961	1961-07-24	1961-07-24
1962	1962-05-18	1962-06-29
1963	1963-06-02	1963-07-29
1964	1964-07-18	1964-07-18
1965	1965-06-20	1965-06-28
1966	1966-05-24	1966-07-03
1967	1967-06-04	1967-07-22
1968	1968-07-15	1968-07-18
1969	1969-06-27	1969-08-31
1970	1970-06-09	1970-08-14
1971	1971-06-18	1971-06-18
1972	1972-05-28	1972-07-12
1973	1973-07-24	1973-09-02
1974	1974-06-08	1974-08-22
1975	1975-06-22	1975-08-02
1976	1976-06-06	1976-08-22
1977	1977-05-22	1977-08-28
1978	1978-05-27	1978-08-22
1979	1979-07-08	1979-07-30
1980	1980-06-25	1980-06-25
1981	1981-06-05	1981-08-01
1982	1982-07-06	1982-07-18
1983	1983-06-15	1983-09-06

Every Fixed Threshold

Fixed thresholds at Roberval A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	18	1983	18
35 C (95 F): Days	4	1	1975	1
90 F (32.2 C): Days	14	8	1983	8
100 F (37.8 C): Days	1	1	1976	1
0 C (32 F): Ice days (max	26	131	1976	110
0 C (32 F): Frost days (min	26	215	1972	198
-10 C (14 F): Days with min	26	123	1972	92
-20 C (-4 F): Days with min	26	76	1972	45
-30 C (-22 F): Days with min	24	18	1972	5
20 C (68 F): Tropical nights (min	15	6	1963	5
10 mm (0.39 in): Days with 10 mm or more rain	26	37	1983	37
25 mm (0.98 in): Days with 25 mm or more rain	25	10	1972	5
50 mm (1.97 in): Days with 50 mm or more rain	6	3	1970	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1970	1
10 cm (3.9 in): Days with 10 cm or more snowfall	26	15	1961	14
25 cm (9.8 in): Days with 25 cm or more snowfall	22	7	1972	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

Data for Roberval 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).

Roberval A Threshold Days by Year (CA007066685)

Key Facts for Roberval A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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