Coquitlam Lake Threshold Days by Year (CA001101890)
15 fixed thresholds counted per year at Coquitlam Lake (CA001101890): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Coquitlam Lake Thresholds
- Coquitlam Lake: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1964 with 125.
- Coquitlam Lake: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1953 with 71.
- Coquitlam Lake: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1972 with 32.
- Coquitlam Lake: days with 10 cm (3.9 in) or more of snowfall in 49 years, most in 1971 with 19.
- 15 fixed thresholds have at least one qualifying day at Coquitlam Lake.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 2 | 4.5 |
| 1937 | 3 | 4.5 |
| 1938 | 6 | 4.5 |
| 1939 | 7 | 4.5 |
| 1940 | 3 | 2.9 |
| 1941 | 7 | 2.9 |
| 1942 | 9 | 2.9 |
| 1943 | 1 | 2.9 |
| 1944 | 2 | 2.9 |
| 1945 | 2 | 2.9 |
| 1946 | 2 | 2.9 |
| 1947 | 1 | 2.9 |
| 1948 | 1 | 2.9 |
| 1949 | 1 | 2.9 |
| 1950 | 1 | 3.3 |
| 1951 | 5 | 3.3 |
| 1952 | 1 | 3.3 |
| 1953 | 1 | 3.3 |
| 1955 | 1 | 3.3 |
| 1956 | 2 | 3.3 |
| 1958 | 14 | 3.3 |
| 1959 | 1 | 3.3 |
| 1960 | 5 | 5.5 |
| 1961 | 12 | 5.5 |
| 1962 | 3 | 5.5 |
| 1963 | 3 | 5.5 |
| 1965 | 6 | 5.5 |
| 1967 | 6 | 5.5 |
| 1968 | 4 | 5.5 |
| 1969 | 5 | 5.5 |
| 1970 | 6 | 5.6 |
| 1971 | 6 | 5.6 |
| 1972 | 2 | 5.6 |
| 1973 | 6 | 5.6 |
| 1974 | 4 | 5.6 |
| 1975 | 2 | 5.6 |
| 1977 | 11 | 5.6 |
| 1978 | 10 | 5.6 |
| 1979 | 3 | 5.6 |
| 1980 | 2 | 5 |
| 1981 | 8 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-05-26 | 1936-08-28 |
| 1937 | 1937-06-01 | 1937-09-14 |
| 1938 | 1938-07-15 | 1938-09-14 |
| 1939 | 1939-07-26 | 1939-08-21 |
| 1940 | 1940-08-05 | 1940-08-18 |
| 1941 | 1941-06-11 | 1941-07-18 |
| 1942 | 1942-06-30 | 1942-08-16 |
| 1943 | 1943-07-19 | 1943-07-19 |
| 1944 | 1944-06-09 | 1944-08-30 |
| 1945 | 1945-08-05 | 1945-08-06 |
| 1946 | 1946-07-20 | 1946-07-22 |
| 1947 | 1947-05-26 | 1947-05-26 |
| 1948 | 1948-06-06 | 1948-06-06 |
| 1949 | 1949-09-07 | 1949-09-07 |
| 1950 | 1950-06-16 | 1950-06-16 |
| 1951 | 1951-06-28 | 1951-08-20 |
| 1952 | 1952-08-03 | 1952-08-03 |
| 1953 | 1953-07-07 | 1953-07-07 |
| 1955 | 1955-06-09 | 1955-06-09 |
| 1956 | 1956-07-19 | 1956-07-20 |
| 1958 | 1958-05-18 | 1958-08-03 |
| 1959 | 1959-07-31 | 1959-07-31 |
| 1960 | 1960-07-16 | 1960-08-09 |
| 1961 | 1961-06-17 | 1961-08-19 |
| 1962 | 1962-07-22 | 1962-08-15 |
| 1963 | 1963-05-20 | 1963-06-15 |
| 1965 | 1965-07-24 | 1965-08-18 |
| 1967 | 1967-06-18 | 1967-08-29 |
| 1968 | 1968-07-02 | 1968-07-31 |
| 1969 | 1969-05-23 | 1969-06-17 |
| 1970 | 1970-05-31 | 1970-07-15 |
| 1971 | 1971-07-17 | 1971-08-09 |
| 1972 | 1972-05-28 | 1972-08-07 |
| 1973 | 1973-05-15 | 1973-09-05 |
| 1974 | 1974-08-28 | 1974-09-20 |
| 1975 | 1975-07-04 | 1975-07-05 |
| 1977 | 1977-06-17 | 1977-08-17 |
| 1978 | 1978-06-02 | 1978-08-08 |
| 1979 | 1979-07-16 | 1979-07-18 |
| 1980 | 1980-07-21 | 1980-08-10 |
| 1981 | 1981-07-28 | 1981-09-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 14 | 1958 | 8 |
| 35 C (95 F): Days | 5 | 3 | 1941 | 2 |
| 90 F (32.2 C): Days | 20 | 5 | 1941 | 4 |
| 0 C (32 F): Ice days (max | 43 | 31 | 1949 | 4 |
| 0 C (32 F): Frost days (min | 46 | 135 | 1955 | 67 |
| -10 C (14 F): Days with min | 25 | 17 | 1950 | 8 |
| 20 C (68 F): Tropical nights (min | 4 | 2 | 1942 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 125 | 1964 | 82 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 71 | 1953 | 46 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 57 | 32 | 1972 | 20 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 48 | 7 | 1968 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1955 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 49 | 19 | 1971 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 33 | 8 | 1971 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 3 | 2 | 1966 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.
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).