Norway House Forestry Threshold Days by Year (CA00506B0M7)
13 fixed thresholds counted per year at Norway House Forestry (CA00506B0M7): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Norway House Forestry Thresholds
- Norway House Forestry: nights with a minimum temperature at or below 0 C (32 F) in 13 years, most in 1974 with 217.
- Norway House Forestry: nights with a minimum temperature at or below -10 C (14 F) in 13 years, most in 1978 with 142.
- Norway House Forestry: nights with a minimum temperature at or below -20 C (-4 F) in 13 years, most in 1982 with 105.
- Norway House Forestry: nights with a minimum temperature at or below -30 C (-22 F) in 13 years, most in 1972 with 51.
- 13 fixed thresholds have at least one qualifying day at Norway House Forestry.
Days at or above 30 C (86 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1971 | 2 | 3 |
| 1972 | 2 | 3 |
| 1973 | 5 | 3 |
| 1974 | 1 | 3 |
| 1975 | 4 | 3 |
| 1976 | 1 | 3 |
| 1977 | 2 | 3 |
| 1978 | 5 | 3 |
| 1979 | 5 | 3 |
| 1980 | 2 | 4 |
| 1983 | 6 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1971 | 1971-08-05 | 1971-08-06 |
| 1972 | 1972-08-19 | 1972-08-20 |
| 1973 | 1973-06-23 | 1973-08-18 |
| 1974 | 1974-08-06 | 1974-08-06 |
| 1975 | 1975-07-03 | 1975-07-29 |
| 1976 | 1976-08-17 | 1976-08-17 |
| 1977 | 1977-05-12 | 1977-05-25 |
| 1978 | 1978-06-30 | 1978-08-11 |
| 1979 | 1979-07-02 | 1979-07-20 |
| 1980 | 1980-05-22 | 1980-07-16 |
| 1983 | 1983-06-11 | 1983-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 11 | 6 | 1983 | 6 |
| 90 F (32.2 C): Days | 1 | 1 | 1978 | 1 |
| 0 C (32 F): Ice days (max | 12 | 158 | 1979 | 142 |
| 0 C (32 F): Frost days (min | 13 | 217 | 1974 | 201 |
| -10 C (14 F): Days with min | 13 | 142 | 1978 | 126 |
| -20 C (-4 F): Days with min | 13 | 105 | 1982 | 79 |
| -30 C (-22 F): Days with min | 13 | 51 | 1972 | 31 |
| -40 C (-40 F): Days with min | 12 | 8 | 1974 | 2 |
| 20 C (68 F): Tropical nights (min | 4 | 4 | 1983 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 13 | 18 | 1983 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 9 | 4 | 1983 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1974 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 9 | 4 | 1983 | 4 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.
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).