Petawawa Nat Forestry Threshold Days by Year (CA006106400)
15 fixed thresholds counted per year at Petawawa Nat Forestry (CA006106400): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Petawawa Nat Forestry Thresholds
- Petawawa Nat Forestry: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1953 with 26.
- Petawawa Nat Forestry: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1976 with 111.
- Petawawa Nat Forestry: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1980 with 200.
- Petawawa Nat Forestry: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1978 with 106.
- 15 fixed thresholds have at least one qualifying day at Petawawa Nat Forestry.
Days at or above 30 C (86 F)
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1952 | 20 | 13.8 |
| 1953 | 26 | 13.8 |
| 1954 | 1 | 13.8 |
| 1956 | 4 | 13.8 |
| 1957 | 11 | 13.8 |
| 1959 | 21 | 13.8 |
| 1960 | 4 | 10 |
| 1961 | 6 | 10 |
| 1962 | 15 | 10 |
| 1963 | 21 | 10 |
| 1964 | 17 | 10 |
| 1965 | 5 | 10 |
| 1966 | 13 | 10 |
| 1967 | 3 | 10 |
| 1968 | 6 | 10 |
| 1969 | 10 | 10 |
| 1970 | 10 | 9.6 |
| 1971 | 9 | 9.6 |
| 1972 | 2 | 9.6 |
| 1973 | 7 | 9.6 |
| 1974 | 7 | 9.6 |
| 1975 | 21 | 9.6 |
| 1976 | 10 | 9.6 |
| 1977 | 11 | 9.6 |
| 1978 | 12 | 9.6 |
| 1979 | 7 | 9.6 |
| 1980 | 2 | 7 |
| 1981 | 4 | 7 |
| 1982 | 6 | 7 |
| 1983 | 16 | 7 |
| Year | First date | Last date |
|---|---|---|
| 1952 | 1952-06-14 | 1952-09-13 |
| 1953 | 1953-05-09 | 1953-09-04 |
| 1954 | 1954-07-03 | 1954-07-03 |
| 1956 | 1956-06-12 | 1956-08-07 |
| 1957 | 1957-06-15 | 1957-08-09 |
| 1959 | 1959-05-26 | 1959-08-26 |
| 1960 | 1960-08-19 | 1960-09-08 |
| 1961 | 1961-05-15 | 1961-09-11 |
| 1962 | 1962-05-16 | 1962-09-13 |
| 1963 | 1963-06-02 | 1963-07-28 |
| 1964 | 1964-05-22 | 1964-08-07 |
| 1965 | 1965-05-26 | 1965-08-14 |
| 1966 | 1966-05-24 | 1966-07-25 |
| 1967 | 1967-06-03 | 1967-07-22 |
| 1968 | 1968-07-08 | 1968-07-18 |
| 1969 | 1969-05-28 | 1969-08-31 |
| 1970 | 1970-06-09 | 1970-08-15 |
| 1971 | 1971-05-19 | 1971-08-19 |
| 1972 | 1972-05-23 | 1972-07-12 |
| 1973 | 1973-07-07 | 1973-09-03 |
| 1974 | 1974-05-22 | 1974-08-21 |
| 1975 | 1975-05-20 | 1975-08-25 |
| 1976 | 1976-04-18 | 1976-08-21 |
| 1977 | 1977-05-17 | 1977-08-28 |
| 1978 | 1978-05-25 | 1978-08-15 |
| 1979 | 1979-05-08 | 1979-07-23 |
| 1980 | 1980-06-24 | 1980-06-25 |
| 1981 | 1981-06-15 | 1981-07-08 |
| 1982 | 1982-07-06 | 1982-09-13 |
| 1983 | 1983-06-12 | 1983-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 30 | 26 | 1953 | 16 |
| 35 C (95 F): Days | 4 | 4 | 1953 | 1 |
| 90 F (32.2 C): Days | 24 | 12 | 1963 | 1 |
| 0 C (32 F): Ice days (max | 30 | 111 | 1976 | 88 |
| 0 C (32 F): Frost days (min | 30 | 200 | 1980 | 189 |
| -10 C (14 F): Days with min | 30 | 106 | 1978 | 80 |
| -20 C (-4 F): Days with min | 30 | 50 | 1963 | 28 |
| -30 C (-22 F): Days with min | 29 | 12 | 1979 | 3 |
| -40 C (-40 F): Days with min | 2 | 1 | 1957 | 1 |
| 20 C (68 F): Tropical nights (min | 19 | 5 | 1959 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 28 | 37 | 1972 | 36 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 26 | 7 | 1967 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 1 | 1954 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 28 | 10 | 1971 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 1967 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.
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).