St Malachie Threshold Days by Year (CA007057518)
16 fixed thresholds counted per year at St Malachie (CA007057518): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Malachie Thresholds
- St Malachie: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 1976 with 115.
- St Malachie: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1978 with 208.
- St Malachie: nights with a minimum temperature at or below -10 C (14 F) in 18 years, most in 1970 with 111.
- St Malachie: nights with a minimum temperature at or below -20 C (-4 F) in 18 years, most in 1976 with 59.
- 16 fixed thresholds have at least one qualifying day at St Malachie.
Days at or above 30 C (86 F)
15 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 1 | 2.8 |
| 1967 | 1 | 2.8 |
| 1968 | 4 | 2.8 |
| 1969 | 5 | 2.8 |
| 1970 | 11 | 3.8 |
| 1971 | 1 | 3.8 |
| 1972 | 1 | 3.8 |
| 1975 | 7 | 3.8 |
| 1976 | 1 | 3.8 |
| 1977 | 4 | 3.8 |
| 1978 | 2 | 3.8 |
| 1979 | 3 | 3.8 |
| 1981 | 1 | 3.7 |
| 1982 | 3 | 3.7 |
| 1983 | 7 | 3.7 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-07-03 | 1966-07-03 |
| 1967 | 1967-06-04 | 1967-06-04 |
| 1968 | 1968-07-15 | 1968-07-19 |
| 1969 | 1969-06-13 | 1969-08-31 |
| 1970 | 1970-07-24 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-05-19 |
| 1972 | 1972-07-15 | 1972-07-15 |
| 1975 | 1975-06-23 | 1975-08-02 |
| 1976 | 1976-07-06 | 1976-07-06 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-07-08 | 1978-08-15 |
| 1979 | 1979-07-24 | 1979-07-30 |
| 1981 | 1981-07-08 | 1981-07-08 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-14 | 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 | 15 | 11 | 1970 | 7 |
| 90 F (32.2 C): Days | 4 | 2 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 18 | 115 | 1976 | 89 |
| 0 C (32 F): Frost days (min | 18 | 208 | 1978 | 202 |
| -10 C (14 F): Days with min | 18 | 111 | 1970 | 84 |
| -20 C (-4 F): Days with min | 18 | 59 | 1976 | 34 |
| -30 C (-22 F): Days with min | 17 | 14 | 1967 | 2 |
| -40 C (-40 F): Days with min | 2 | 1 | 1972 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 7 | 1975 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 48 | 1976 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 17 | 13 | 1973 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 3 | 1981 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1981 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 12 | 1971 | 11 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 11 | 3 | 1973 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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).