Grande Prairie A Threshold Days by Year (CA003072920)
13 fixed thresholds counted per year at Grande Prairie A (CA003072920): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grande Prairie A Thresholds
- Grande Prairie A: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1950 with 136.
- Grande Prairie A: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1955 with 221.
- Grande Prairie A: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1950 with 140.
- Grande Prairie A: nights with a minimum temperature at or below -20 C (-4 F) in 41 years, most in 1950 with 80.
- 13 fixed thresholds have at least one qualifying day at Grande Prairie A.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 5 | 3.8 |
| 1945 | 7 | 3.8 |
| 1946 | 3 | 3.8 |
| 1948 | 1 | 3.8 |
| 1949 | 3 | 3.8 |
| 1950 | 9 | 3.8 |
| 1952 | 1 | 3.8 |
| 1955 | 5 | 3.8 |
| 1956 | 2 | 3.8 |
| 1958 | 3 | 3.8 |
| 1959 | 3 | 3.8 |
| 1960 | 3 | 3.6 |
| 1961 | 10 | 3.6 |
| 1963 | 2 | 3.6 |
| 1964 | 1 | 3.6 |
| 1965 | 4 | 3.6 |
| 1966 | 1 | 3.6 |
| 1967 | 8 | 3.6 |
| 1968 | 1 | 3.6 |
| 1969 | 2 | 3.6 |
| 1970 | 5 | 3.3 |
| 1971 | 5 | 3.3 |
| 1972 | 1 | 3.3 |
| 1973 | 2 | 3.3 |
| 1974 | 2 | 3.3 |
| 1975 | 5 | 3.3 |
| 1978 | 5 | 3.3 |
| 1979 | 1 | 3.3 |
| 1981 | 15 | 7 |
| 1982 | 3 | 7 |
| 1983 | 3 | 7 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-06-10 | 1944-09-12 |
| 1945 | 1945-07-11 | 1945-08-14 |
| 1946 | 1946-07-20 | 1946-08-22 |
| 1948 | 1948-06-19 | 1948-06-19 |
| 1949 | 1949-07-12 | 1949-08-01 |
| 1950 | 1950-06-12 | 1950-09-22 |
| 1952 | 1952-07-30 | 1952-07-30 |
| 1955 | 1955-06-10 | 1955-07-17 |
| 1956 | 1956-05-31 | 1956-07-20 |
| 1958 | 1958-05-27 | 1958-07-19 |
| 1959 | 1959-07-10 | 1959-07-23 |
| 1960 | 1960-07-30 | 1960-08-10 |
| 1961 | 1961-05-19 | 1961-08-21 |
| 1963 | 1963-07-03 | 1963-08-04 |
| 1964 | 1964-07-08 | 1964-07-08 |
| 1965 | 1965-07-30 | 1965-08-03 |
| 1966 | 1966-08-24 | 1966-08-24 |
| 1967 | 1967-06-25 | 1967-09-16 |
| 1968 | 1968-07-04 | 1968-07-04 |
| 1969 | 1969-06-16 | 1969-06-17 |
| 1970 | 1970-06-02 | 1970-08-06 |
| 1971 | 1971-05-11 | 1971-08-01 |
| 1972 | 1972-05-29 | 1972-05-29 |
| 1973 | 1973-08-08 | 1973-08-12 |
| 1974 | 1974-08-03 | 1974-08-04 |
| 1975 | 1975-07-03 | 1975-07-12 |
| 1978 | 1978-06-03 | 1978-08-09 |
| 1979 | 1979-07-18 | 1979-07-18 |
| 1981 | 1981-07-12 | 1981-09-16 |
| 1982 | 1982-06-13 | 1982-07-29 |
| 1983 | 1983-05-29 | 1983-08-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 15 | 1981 | 3 |
| 90 F (32.2 C): Days | 9 | 3 | 1945 | 2 |
| 0 C (32 F): Ice days (max | 41 | 136 | 1950 | 118 |
| 0 C (32 F): Frost days (min | 41 | 221 | 1955 | 201 |
| -10 C (14 F): Days with min | 41 | 140 | 1950 | 115 |
| -20 C (-4 F): Days with min | 41 | 80 | 1950 | 43 |
| -30 C (-22 F): Days with min | 41 | 35 | 1950 | 14 |
| -40 C (-40 F): Days with min | 30 | 14 | 1969 | 8 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 41 | 18 | 1957 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 5 | 1951 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 1 | 1948 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 39 | 7 | 1974 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1957 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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).