Duchesnay Threshold Days by Year (CA007012240)
16 fixed thresholds counted per year at Duchesnay (CA007012240): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Duchesnay Thresholds
- Duchesnay: days with a maximum temperature at or below 0 C (32 F) in 14 years, most in 1976 with 116.
- Duchesnay: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1978 with 214.
- Duchesnay: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1978 with 113.
- Duchesnay: nights with a minimum temperature at or below -20 C (-4 F) in 14 years, most in 1963 with 57.
- 16 fixed thresholds have at least one qualifying day at Duchesnay.
Days at or above 30 C (86 F)
12 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 10 | 10 |
| 1972 | 1 | 3.1 |
| 1973 | 1 | 3.1 |
| 1975 | 6 | 3.1 |
| 1976 | 3 | 3.1 |
| 1977 | 4 | 3.1 |
| 1978 | 5 | 3.1 |
| 1979 | 2 | 3.1 |
| 1980 | 1 | 2.5 |
| 1981 | 1 | 2.5 |
| 1982 | 1 | 2.5 |
| 1983 | 7 | 2.5 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-06-25 | 1963-07-29 |
| 1972 | 1972-07-15 | 1972-07-15 |
| 1973 | 1973-07-24 | 1973-07-24 |
| 1975 | 1975-05-23 | 1975-08-02 |
| 1976 | 1976-06-05 | 1976-08-21 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-05-27 | 1978-08-15 |
| 1979 | 1979-07-24 | 1979-07-25 |
| 1980 | 1980-08-24 | 1980-08-24 |
| 1981 | 1981-07-08 | 1981-07-08 |
| 1982 | 1982-07-18 | 1982-07-18 |
| 1983 | 1983-06-14 | 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 | 12 | 10 | 1963 | 7 |
| 35 C (95 F): Days | 1 | 1 | 1975 | 1 |
| 90 F (32.2 C): Days | 4 | 2 | 1963 | 2 |
| 0 C (32 F): Ice days (max | 14 | 116 | 1976 | 87 |
| 0 C (32 F): Frost days (min | 14 | 214 | 1978 | 181 |
| -10 C (14 F): Days with min | 14 | 113 | 1978 | 75 |
| -20 C (-4 F): Days with min | 14 | 57 | 1963 | 29 |
| -30 C (-22 F): Days with min | 14 | 16 | 1982 | 1 |
| -40 C (-40 F): Days with min | 1 | 2 | 1971 | 2 |
| 20 C (68 F): Tropical nights (min | 8 | 4 | 1975 | 2 |
| 25 C (77 F): Days with min | 1 | 1 | 1975 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 13 | 59 | 1983 | 59 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 13 | 12 | 1972 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 2 | 1973 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 13 | 20 | 1976 | 10 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 3 | 1972 | 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).