St Clement Threshold Days by Year (CA007057024)
14 fixed thresholds counted per year at St Clement (CA007057024): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Clement Thresholds
- St Clement: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1971 with 128.
- St Clement: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1972 with 217.
- St Clement: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1972 with 124.
- St Clement: nights with a minimum temperature at or below -20 C (-4 F) in 19 years, most in 1972 with 62.
- 14 fixed thresholds have at least one qualifying day at St Clement.
Days at or above 30 C (86 F)
12 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1967 | 1 | 1.3 |
| 1968 | 1 | 1.3 |
| 1969 | 2 | 1.3 |
| 1970 | 3 | 3.1 |
| 1972 | 1 | 3.1 |
| 1975 | 3 | 3.1 |
| 1976 | 7 | 3.1 |
| 1977 | 4 | 3.1 |
| 1978 | 3 | 3.1 |
| 1979 | 1 | 3.1 |
| 1982 | 1 | 2.5 |
| 1983 | 4 | 2.5 |
| Year | First date | Last date |
|---|---|---|
| 1967 | 1967-06-04 | 1967-06-04 |
| 1968 | 1968-07-15 | 1968-07-15 |
| 1969 | 1969-06-13 | 1969-06-27 |
| 1970 | 1970-07-25 | 1970-08-16 |
| 1972 | 1972-07-15 | 1972-07-15 |
| 1975 | 1975-08-01 | 1975-08-09 |
| 1976 | 1976-06-06 | 1976-08-21 |
| 1977 | 1977-05-23 | 1977-08-28 |
| 1978 | 1978-05-27 | 1978-08-16 |
| 1979 | 1979-07-25 | 1979-07-25 |
| 1982 | 1982-07-18 | 1982-07-18 |
| 1983 | 1983-06-21 | 1983-07-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 12 | 7 | 1976 | 4 |
| 90 F (32.2 C): Days | 3 | 2 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 19 | 128 | 1971 | 117 |
| 0 C (32 F): Frost days (min | 19 | 217 | 1972 | 201 |
| -10 C (14 F): Days with min | 19 | 124 | 1972 | 89 |
| -20 C (-4 F): Days with min | 19 | 62 | 1972 | 35 |
| -30 C (-22 F): Days with min | 17 | 11 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 10 | 5 | 1975 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 19 | 49 | 1983 | 49 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 10 | 1971 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 1971 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 19 | 15 | 1983 | 15 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 4 | 1980 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.
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).