Shipshaw Threshold Days by Year (CA007068160)
17 fixed thresholds counted per year at Shipshaw (CA007068160): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Shipshaw Thresholds
- Shipshaw: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1976 with 29.
- Shipshaw: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1978 with 119.
- Shipshaw: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1956 with 218.
- Shipshaw: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1959 with 122.
- 17 fixed thresholds have at least one qualifying day at Shipshaw.
Days at or above 30 C (86 F)
40 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 12 | 12.7 |
| 1945 | 10 | 12.7 |
| 1946 | 3 | 12.7 |
| 1947 | 24 | 12.7 |
| 1948 | 9 | 12.7 |
| 1949 | 18 | 12.7 |
| 1950 | 8 | 8.9 |
| 1951 | 8 | 8.9 |
| 1952 | 15 | 8.9 |
| 1953 | 17 | 8.9 |
| 1954 | 4 | 8.9 |
| 1955 | 16 | 8.9 |
| 1956 | 3 | 8.9 |
| 1957 | 3 | 8.9 |
| 1958 | 3 | 8.9 |
| 1959 | 12 | 8.9 |
| 1960 | 12 | 6.4 |
| 1961 | 4 | 6.4 |
| 1962 | 5 | 6.4 |
| 1963 | 14 | 6.4 |
| 1964 | 1 | 6.4 |
| 1965 | 2 | 6.4 |
| 1966 | 4 | 6.4 |
| 1967 | 10 | 6.4 |
| 1968 | 6 | 6.4 |
| 1969 | 6 | 6.4 |
| 1970 | 20 | 11.9 |
| 1971 | 5 | 11.9 |
| 1972 | 7 | 11.9 |
| 1973 | 11 | 11.9 |
| 1974 | 6 | 11.9 |
| 1975 | 18 | 11.9 |
| 1976 | 29 | 11.9 |
| 1977 | 9 | 11.9 |
| 1978 | 7 | 11.9 |
| 1979 | 7 | 11.9 |
| 1980 | 1 | 8.8 |
| 1981 | 12 | 8.8 |
| 1982 | 6 | 8.8 |
| 1983 | 16 | 8.8 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-05-04 | 1944-08-03 |
| 1945 | 1945-07-18 | 1945-09-07 |
| 1946 | 1946-06-26 | 1946-07-01 |
| 1947 | 1947-06-11 | 1947-09-11 |
| 1948 | 1948-06-03 | 1948-09-07 |
| 1949 | 1949-06-03 | 1949-08-08 |
| 1950 | 1950-05-24 | 1950-08-07 |
| 1951 | 1951-05-20 | 1951-09-13 |
| 1952 | 1952-05-24 | 1952-08-28 |
| 1953 | 1953-05-10 | 1953-09-01 |
| 1954 | 1954-06-17 | 1954-07-29 |
| 1955 | 1955-05-22 | 1955-08-19 |
| 1956 | 1956-06-14 | 1956-08-08 |
| 1957 | 1957-06-23 | 1957-07-27 |
| 1958 | 1958-06-29 | 1958-08-02 |
| 1959 | 1959-05-27 | 1959-09-10 |
| 1960 | 1960-05-27 | 1960-09-07 |
| 1961 | 1961-07-22 | 1961-08-10 |
| 1962 | 1962-06-16 | 1962-08-28 |
| 1963 | 1963-06-02 | 1963-07-29 |
| 1964 | 1964-07-18 | 1964-07-18 |
| 1965 | 1965-06-20 | 1965-06-28 |
| 1966 | 1966-05-24 | 1966-07-25 |
| 1967 | 1967-06-03 | 1967-08-17 |
| 1968 | 1968-07-09 | 1968-07-19 |
| 1969 | 1969-06-13 | 1969-08-31 |
| 1970 | 1970-06-09 | 1970-08-16 |
| 1971 | 1971-06-18 | 1971-08-10 |
| 1972 | 1972-05-28 | 1972-09-01 |
| 1973 | 1973-06-26 | 1973-09-02 |
| 1974 | 1974-06-08 | 1974-08-22 |
| 1975 | 1975-06-23 | 1975-08-09 |
| 1976 | 1976-06-05 | 1976-08-28 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-05-27 | 1978-08-22 |
| 1979 | 1979-06-21 | 1979-08-03 |
| 1980 | 1980-08-01 | 1980-08-01 |
| 1981 | 1981-06-05 | 1981-08-23 |
| 1982 | 1982-05-28 | 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 | 40 | 29 | 1976 | 16 |
| 35 C (95 F): Days | 7 | 3 | 1947 | 1 |
| 90 F (32.2 C): Days | 34 | 20 | 1976 | 6 |
| 100 F (37.8 C): Days | 2 | 1 | 1953 | 1 |
| 0 C (32 F): Ice days (max | 40 | 119 | 1978 | 101 |
| 0 C (32 F): Frost days (min | 40 | 218 | 1956 | 181 |
| -10 C (14 F): Days with min | 40 | 122 | 1959 | 83 |
| -20 C (-4 F): Days with min | 40 | 77 | 1972 | 38 |
| -30 C (-22 F): Days with min | 39 | 32 | 1972 | 7 |
| -40 C (-40 F): Days with min | 7 | 2 | 1955 | 1 |
| 20 C (68 F): Tropical nights (min | 16 | 7 | 1976 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1947 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 39 | 1954 | 37 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 6 | 1949 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1946 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 17 | 1946 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 2 | 1971 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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).