Comox A Threshold Days by Year (CA001021830)
13 fixed thresholds counted per year at Comox A (CA001021830): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Comox A Thresholds
- Comox A: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1948 with 119.
- Comox A: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1961 with 55.
- Comox A: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1968 with 17.
- Comox A: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1949 with 10.
- 13 fixed thresholds have at least one qualifying day at Comox A.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 4 | 1.6 |
| 1946 | 1 | 1.6 |
| 1947 | 1 | 1.6 |
| 1948 | 1 | 1.6 |
| 1949 | 1 | 1.6 |
| 1951 | 3 | 5.5 |
| 1952 | 7 | 5.5 |
| 1955 | 1 | 5.5 |
| 1956 | 3 | 5.5 |
| 1958 | 17 | 5.5 |
| 1959 | 2 | 5.5 |
| 1960 | 6 | 4.2 |
| 1961 | 8 | 4.2 |
| 1962 | 1 | 4.2 |
| 1963 | 1 | 4.2 |
| 1965 | 7 | 4.2 |
| 1966 | 1 | 4.2 |
| 1967 | 5 | 4.2 |
| 1968 | 4 | 4.2 |
| 1969 | 5 | 4.2 |
| 1970 | 2 | 4.1 |
| 1971 | 12 | 4.1 |
| 1972 | 3 | 4.1 |
| 1973 | 1 | 4.1 |
| 1974 | 2 | 4.1 |
| 1977 | 8 | 4.1 |
| 1978 | 4 | 4.1 |
| 1979 | 1 | 4.1 |
| 1981 | 5 | 3 |
| 1982 | 2 | 3 |
| 1983 | 2 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-07-06 | 1945-07-10 |
| 1946 | 1946-07-20 | 1946-07-20 |
| 1947 | 1947-05-26 | 1947-05-26 |
| 1948 | 1948-06-06 | 1948-06-06 |
| 1949 | 1949-09-05 | 1949-09-05 |
| 1951 | 1951-06-28 | 1951-07-12 |
| 1952 | 1952-07-08 | 1952-08-12 |
| 1955 | 1955-09-05 | 1955-09-05 |
| 1956 | 1956-07-17 | 1956-07-19 |
| 1958 | 1958-06-05 | 1958-07-28 |
| 1959 | 1959-07-30 | 1959-07-31 |
| 1960 | 1960-07-26 | 1960-08-09 |
| 1961 | 1961-07-11 | 1961-08-11 |
| 1962 | 1962-07-22 | 1962-07-22 |
| 1963 | 1963-06-15 | 1963-06-15 |
| 1965 | 1965-07-03 | 1965-08-18 |
| 1966 | 1966-08-23 | 1966-08-23 |
| 1967 | 1967-06-19 | 1967-08-29 |
| 1968 | 1968-07-08 | 1968-07-31 |
| 1969 | 1969-06-09 | 1969-06-18 |
| 1970 | 1970-06-20 | 1970-07-15 |
| 1971 | 1971-07-17 | 1971-08-11 |
| 1972 | 1972-07-20 | 1972-08-07 |
| 1973 | 1973-07-17 | 1973-07-17 |
| 1974 | 1974-08-28 | 1974-08-29 |
| 1977 | 1977-08-04 | 1977-08-17 |
| 1978 | 1978-07-20 | 1978-08-08 |
| 1979 | 1979-07-17 | 1979-07-17 |
| 1981 | 1981-08-06 | 1981-08-10 |
| 1982 | 1982-06-18 | 1982-07-27 |
| 1983 | 1983-05-28 | 1983-05-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 17 | 1958 | 2 |
| 90 F (32.2 C): Days | 12 | 5 | 1958 | 2 |
| 0 C (32 F): Ice days (max | 34 | 27 | 1950 | 5 |
| 0 C (32 F): Frost days (min | 39 | 119 | 1948 | 49 |
| -10 C (14 F): Days with min | 19 | 17 | 1950 | 1 |
| -20 C (-4 F): Days with min | 1 | 1 | 1950 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 55 | 1961 | 49 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 17 | 1968 | 11 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 27 | 4 | 1968 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1957 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 10 | 1949 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 5 | 1950 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 3 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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).