Foret Montmorency Threshold Days by Year (CA007042388)
13 fixed thresholds counted per year at Foret Montmorency (CA007042388): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Foret Montmorency Thresholds
- Foret Montmorency: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 1972 with 144.
- Foret Montmorency: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1972 with 250.
- Foret Montmorency: nights with a minimum temperature at or below -10 C (14 F) in 18 years, most in 1972 with 145.
- Foret Montmorency: nights with a minimum temperature at or below -20 C (-4 F) in 18 years, most in 1972 with 81.
- 13 fixed thresholds have at least one qualifying day at Foret Montmorency.
Days at or above 30 C (86 F)
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1975 | 2 | 1.5 |
| 1976 | 1 | 1.5 |
| 1983 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1975 | 1975-08-01 | 1975-08-02 |
| 1976 | 1976-08-21 | 1976-08-21 |
| 1983 | 1983-06-21 | 1983-06-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 3 | 2 | 1975 | 1 |
| 90 F (32.2 C): Days | 2 | 2 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 18 | 144 | 1972 | 103 |
| 0 C (32 F): Frost days (min | 18 | 250 | 1972 | 228 |
| -10 C (14 F): Days with min | 18 | 145 | 1972 | 97 |
| -20 C (-4 F): Days with min | 18 | 81 | 1972 | 48 |
| -30 C (-22 F): Days with min | 18 | 25 | 1976 | 8 |
| -40 C (-40 F): Days with min | 3 | 1 | 1967 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 64 | 1983 | 64 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 17 | 1974 | 16 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 3 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 28 | 1972 | 23 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 16 | 6 | 1972 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.
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).