Big Trout Lake Threshold Days by Year (CA006010738)
15 fixed thresholds counted per year at Big Trout Lake (CA006010738): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Big Trout Lake Thresholds
- Big Trout Lake: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1945 with 25.
- Big Trout Lake: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1959 with 186.
- Big Trout Lake: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1974 with 245.
- Big Trout Lake: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1950 with 169.
- 15 fixed thresholds have at least one qualifying day at Big Trout Lake.
Days at or above 30 C (86 F)
23 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1940 | 2 | 1.7 |
| 1941 | 2 | 1.7 |
| 1943 | 1 | 1.7 |
| 1947 | 2 | 1.7 |
| 1948 | 2 | 1.7 |
| 1949 | 1 | 1.7 |
| 1951 | 2 | 2.7 |
| 1955 | 5 | 2.7 |
| 1956 | 1 | 2.7 |
| 1961 | 1 | 1.5 |
| 1963 | 2 | 1.5 |
| 1964 | 1 | 1.5 |
| 1965 | 1 | 1.5 |
| 1967 | 2 | 1.5 |
| 1969 | 2 | 1.5 |
| 1971 | 1 | 2.5 |
| 1972 | 1 | 2.5 |
| 1974 | 3 | 2.5 |
| 1975 | 5 | 2.5 |
| 1976 | 1 | 2.5 |
| 1979 | 4 | 2.5 |
| 1981 | 3 | 2 |
| 1983 | 1 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1940 | 1940-07-21 | 1940-07-22 |
| 1941 | 1941-06-16 | 1941-07-20 |
| 1943 | 1943-07-11 | 1943-07-11 |
| 1947 | 1947-07-10 | 1947-07-16 |
| 1948 | 1948-05-31 | 1948-06-02 |
| 1949 | 1949-07-02 | 1949-07-02 |
| 1951 | 1951-05-24 | 1951-06-15 |
| 1955 | 1955-07-16 | 1955-08-13 |
| 1956 | 1956-06-11 | 1956-06-11 |
| 1961 | 1961-07-11 | 1961-07-11 |
| 1963 | 1963-07-23 | 1963-07-24 |
| 1964 | 1964-07-09 | 1964-07-09 |
| 1965 | 1965-08-13 | 1965-08-13 |
| 1967 | 1967-08-12 | 1967-09-06 |
| 1969 | 1969-07-12 | 1969-08-22 |
| 1971 | 1971-08-07 | 1971-08-07 |
| 1972 | 1972-08-20 | 1972-08-20 |
| 1974 | 1974-06-26 | 1974-07-12 |
| 1975 | 1975-06-28 | 1975-07-30 |
| 1976 | 1976-07-04 | 1976-07-04 |
| 1979 | 1979-07-06 | 1979-07-20 |
| 1981 | 1981-07-01 | 1981-07-11 |
| 1983 | 1983-08-04 | 1983-08-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 23 | 5 | 1955 | 1 |
| 35 C (95 F): Days | 2 | 1 | 1941 | 1 |
| 90 F (32.2 C): Days | 6 | 1 | 1941 | 1 |
| 0 C (32 F): Ice days (max | 43 | 186 | 1959 | 151 |
| 0 C (32 F): Frost days (min | 43 | 245 | 1974 | 225 |
| -10 C (14 F): Days with min | 43 | 169 | 1950 | 146 |
| -20 C (-4 F): Days with min | 43 | 123 | 1972 | 94 |
| -30 C (-22 F): Days with min | 43 | 74 | 1972 | 44 |
| -40 C (-40 F): Days with min | 37 | 11 | 1962 | 1 |
| 20 C (68 F): Tropical nights (min | 5 | 3 | 1955 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 44 | 25 | 1945 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 6 | 1975 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 1 | 1940 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 37 | 12 | 1945 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 9 | 3 | 1942 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.
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).