Granby Threshold Days by Year (CA007022800)
15 fixed thresholds counted per year at Granby (CA007022800): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Granby Thresholds
- Granby: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1976 with 54.
- Granby: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1976 with 13.
- Granby: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1962 with 17.
- Granby: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1971 with 97.
- 15 fixed thresholds have at least one qualifying day at Granby.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 25 | 25 |
| 1950 | 7 | 10.3 |
| 1951 | 3 | 10.3 |
| 1952 | 13 | 10.3 |
| 1953 | 16 | 10.3 |
| 1954 | 1 | 10.3 |
| 1955 | 22 | 10.3 |
| 1964 | 8 | 4.2 |
| 1966 | 2 | 4.2 |
| 1967 | 2 | 4.2 |
| 1968 | 6 | 4.2 |
| 1969 | 3 | 4.2 |
| 1970 | 5 | 5.1 |
| 1971 | 4 | 5.1 |
| 1972 | 2 | 5.1 |
| 1973 | 4 | 5.1 |
| 1975 | 14 | 5.1 |
| 1976 | 1 | 5.1 |
| 1977 | 4 | 5.1 |
| 1978 | 6 | 5.1 |
| 1979 | 6 | 5.1 |
| 1980 | 1 | 4.8 |
| 1981 | 3 | 4.8 |
| 1982 | 6 | 4.8 |
| 1983 | 9 | 4.8 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-06-13 | 1949-08-27 |
| 1950 | 1950-05-27 | 1950-07-14 |
| 1951 | 1951-06-20 | 1951-09-13 |
| 1952 | 1952-06-17 | 1952-08-28 |
| 1953 | 1953-05-10 | 1953-09-05 |
| 1954 | 1954-06-22 | 1954-06-22 |
| 1955 | 1955-06-19 | 1955-08-22 |
| 1964 | 1964-05-23 | 1964-07-29 |
| 1966 | 1966-07-03 | 1966-08-09 |
| 1967 | 1967-06-03 | 1967-06-04 |
| 1968 | 1968-07-09 | 1968-07-19 |
| 1969 | 1969-06-27 | 1969-08-31 |
| 1970 | 1970-07-29 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-07-26 |
| 1972 | 1972-07-15 | 1972-07-18 |
| 1973 | 1973-07-08 | 1973-09-05 |
| 1975 | 1975-05-20 | 1975-08-26 |
| 1976 | 1976-06-15 | 1976-06-15 |
| 1977 | 1977-07-19 | 1977-08-29 |
| 1978 | 1978-05-28 | 1978-08-15 |
| 1979 | 1979-05-09 | 1979-08-02 |
| 1980 | 1980-06-25 | 1980-06-25 |
| 1981 | 1981-06-16 | 1981-07-09 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-13 | 1983-09-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 25 | 1949 | 9 |
| 35 C (95 F): Days | 2 | 3 | 1949 | 1 |
| 90 F (32.2 C): Days | 12 | 18 | 1949 | 1 |
| 0 C (32 F): Ice days (max | 26 | 97 | 1971 | 84 |
| 0 C (32 F): Frost days (min | 25 | 183 | 1972 | 168 |
| -10 C (14 F): Days with min | 25 | 92 | 1978 | 64 |
| -20 C (-4 F): Days with min | 25 | 30 | 1976 | 17 |
| -30 C (-22 F): Days with min | 14 | 6 | 1981 | 1 |
| 20 C (68 F): Tropical nights (min | 25 | 17 | 1975 | 6 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 54 | 1976 | 49 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 13 | 1976 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 2 | 1960 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1972 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 17 | 1962 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 25 | 4 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
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).