St Prosper Threshold Days by Year (CA007027660)
14 fixed thresholds counted per year at St Prosper (CA007027660): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Prosper Thresholds
- St Prosper: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1965 with 118.
- St Prosper: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1976 with 46.
- St Prosper: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1973 with 12.
- St Prosper: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1972 with 213.
- 14 fixed thresholds have at least one qualifying day at St Prosper.
Days at or above 30 C (86 F)
17 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 2 | 2.5 |
| 1965 | 1 | 2.5 |
| 1967 | 1 | 2.5 |
| 1968 | 6 | 2.5 |
| 1970 | 9 | 3.6 |
| 1971 | 3 | 3.6 |
| 1972 | 2 | 3.6 |
| 1973 | 2 | 3.6 |
| 1974 | 1 | 3.6 |
| 1975 | 6 | 3.6 |
| 1976 | 1 | 3.6 |
| 1977 | 5 | 3.6 |
| 1978 | 3 | 3.6 |
| 1979 | 4 | 3.6 |
| 1981 | 2 | 4.7 |
| 1982 | 3 | 4.7 |
| 1983 | 9 | 4.7 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-07-18 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-06-28 |
| 1967 | 1967-06-04 | 1967-06-04 |
| 1968 | 1968-07-14 | 1968-07-19 |
| 1970 | 1970-07-24 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-06-30 |
| 1972 | 1972-07-12 | 1972-07-15 |
| 1973 | 1973-07-08 | 1973-07-25 |
| 1974 | 1974-05-15 | 1974-05-15 |
| 1975 | 1975-06-23 | 1975-08-02 |
| 1976 | 1976-08-21 | 1976-08-21 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-05-28 | 1978-07-08 |
| 1979 | 1979-05-09 | 1979-07-25 |
| 1981 | 1981-07-02 | 1981-07-08 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-13 | 1983-09-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 17 | 9 | 1970 | 9 |
| 90 F (32.2 C): Days | 3 | 2 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 19 | 118 | 1965 | 82 |
| 0 C (32 F): Frost days (min | 18 | 213 | 1972 | 202 |
| -10 C (14 F): Days with min | 18 | 111 | 1970 | 80 |
| -20 C (-4 F): Days with min | 18 | 61 | 1976 | 34 |
| -30 C (-22 F): Days with min | 18 | 17 | 1971 | 4 |
| -40 C (-40 F): Days with min | 4 | 1 | 1967 | 1 |
| 20 C (68 F): Tropical nights (min | 11 | 4 | 1973 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 19 | 46 | 1976 | 46 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 19 | 12 | 1973 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 2 | 1970 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 10 | 1983 | 10 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 3 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
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).