Chapais 2 Threshold Days by Year (CA007091305)
14 fixed thresholds counted per year at Chapais 2 (CA007091305): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chapais 2 Thresholds
- Chapais 2: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1972 with 158.
- Chapais 2: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1972 with 229.
- Chapais 2: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 1965 with 140.
- Chapais 2: nights with a minimum temperature at or below -20 C (-4 F) in 21 years, most in 1976 with 91.
- 14 fixed thresholds have at least one qualifying day at Chapais 2.
Days at or above 30 C (86 F)
19 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 8 | 3.4 |
| 1964 | 2 | 3.4 |
| 1965 | 1 | 3.4 |
| 1966 | 2 | 3.4 |
| 1967 | 8 | 3.4 |
| 1968 | 2 | 3.4 |
| 1969 | 1 | 3.4 |
| 1970 | 7 | 4.4 |
| 1973 | 3 | 4.4 |
| 1974 | 2 | 4.4 |
| 1975 | 4 | 4.4 |
| 1976 | 10 | 4.4 |
| 1977 | 2 | 4.4 |
| 1978 | 5 | 4.4 |
| 1979 | 2 | 4.4 |
| 1980 | 1 | 3 |
| 1981 | 1 | 3 |
| 1982 | 3 | 3 |
| 1983 | 7 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-06-24 | 1963-07-27 |
| 1964 | 1964-06-30 | 1964-07-25 |
| 1965 | 1965-06-28 | 1965-06-28 |
| 1966 | 1966-06-24 | 1966-06-26 |
| 1967 | 1967-06-04 | 1967-08-13 |
| 1968 | 1968-07-14 | 1968-07-18 |
| 1969 | 1969-07-15 | 1969-07-15 |
| 1970 | 1970-06-16 | 1970-08-14 |
| 1973 | 1973-07-24 | 1973-08-29 |
| 1974 | 1974-06-08 | 1974-07-13 |
| 1975 | 1975-06-27 | 1975-07-18 |
| 1976 | 1976-06-05 | 1976-08-21 |
| 1977 | 1977-05-23 | 1977-06-27 |
| 1978 | 1978-05-26 | 1978-08-16 |
| 1979 | 1979-07-09 | 1979-07-14 |
| 1980 | 1980-06-25 | 1980-06-25 |
| 1981 | 1981-07-19 | 1981-07-19 |
| 1982 | 1982-05-28 | 1982-07-18 |
| 1983 | 1983-06-13 | 1983-07-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 19 | 10 | 1976 | 7 |
| 90 F (32.2 C): Days | 5 | 5 | 1967 | 1 |
| 0 C (32 F): Ice days (max | 21 | 158 | 1972 | 130 |
| 0 C (32 F): Frost days (min | 21 | 229 | 1972 | 223 |
| -10 C (14 F): Days with min | 21 | 140 | 1965 | 118 |
| -20 C (-4 F): Days with min | 21 | 91 | 1976 | 63 |
| -30 C (-22 F): Days with min | 21 | 44 | 1963 | 20 |
| -40 C (-40 F): Days with min | 14 | 9 | 1963 | 2 |
| 20 C (68 F): Tropical nights (min | 4 | 4 | 1963 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 20 | 37 | 1973 | 24 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 20 | 10 | 1964 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 20 | 11 | 1973 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 2 | 1968 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
Download the Data
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 . Last revised (2026-10-17).