Shawnigan Lake Threshold Days by Year (CA001017230)
14 fixed thresholds counted per year at Shawnigan Lake (CA001017230): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Shawnigan Lake Thresholds
- Shawnigan Lake: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1950 with 62.
- Shawnigan Lake: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1954 with 19.
- Shawnigan Lake: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1916 with 143.
- Shawnigan Lake: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 1958 with 24.
- 14 fixed thresholds have at least one qualifying day at Shawnigan Lake.
Days at or above 30 C (86 F)
65 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1914 | 6 | 9.3 |
| 1915 | 12 | 9.3 |
| 1916 | 12 | 9.3 |
| 1917 | 7 | 9.3 |
| 1920 | 8 | 9.6 |
| 1921 | 1 | 9.6 |
| 1922 | 6 | 9.6 |
| 1923 | 7 | 9.6 |
| 1924 | 7 | 9.6 |
| 1925 | 9 | 9.6 |
| 1926 | 15 | 9.6 |
| 1927 | 15 | 9.6 |
| 1928 | 15 | 9.6 |
| 1929 | 13 | 9.6 |
| 1930 | 17 | 8.3 |
| 1931 | 9 | 8.3 |
| 1932 | 3 | 8.3 |
| 1933 | 10 | 8.3 |
| 1934 | 9 | 8.3 |
| 1935 | 12 | 8.3 |
| 1936 | 7 | 8.3 |
| 1937 | 1 | 8.3 |
| 1938 | 7 | 8.3 |
| 1939 | 8 | 8.3 |
| 1940 | 6 | 6.3 |
| 1941 | 6 | 6.3 |
| 1942 | 11 | 6.3 |
| 1944 | 3 | 6.3 |
| 1945 | 11 | 6.3 |
| 1946 | 5 | 6.3 |
| 1947 | 2 | 6.3 |
| 1948 | 5 | 6.3 |
| 1949 | 8 | 6.3 |
| 1950 | 7 | 9.7 |
| 1951 | 13 | 9.7 |
| 1952 | 13 | 9.7 |
| 1953 | 4 | 9.7 |
| 1955 | 5 | 9.7 |
| 1956 | 9 | 9.7 |
| 1957 | 4 | 9.7 |
| 1958 | 24 | 9.7 |
| 1959 | 8 | 9.7 |
| 1960 | 11 | 6.1 |
| 1961 | 18 | 6.1 |
| 1962 | 3 | 6.1 |
| 1963 | 5 | 6.1 |
| 1964 | 1 | 6.1 |
| 1965 | 5 | 6.1 |
| 1966 | 1 | 6.1 |
| 1967 | 10 | 6.1 |
| 1968 | 4 | 6.1 |
| 1969 | 3 | 6.1 |
| 1970 | 1 | 5.3 |
| 1971 | 9 | 5.3 |
| 1972 | 4 | 5.3 |
| 1973 | 6 | 5.3 |
| 1974 | 5 | 5.3 |
| 1975 | 2 | 5.3 |
| 1977 | 10 | 5.3 |
| 1978 | 8 | 5.3 |
| 1979 | 3 | 5.3 |
| 1980 | 1 | 3.8 |
| 1981 | 6 | 3.8 |
| 1982 | 6 | 3.8 |
| 1983 | 2 | 3.8 |
| Year | First date | Last date |
|---|---|---|
| 1914 | 1914-06-15 | 1914-08-19 |
| 1915 | 1915-06-29 | 1915-08-28 |
| 1916 | 1916-06-14 | 1916-08-27 |
| 1917 | 1917-07-14 | 1917-09-02 |
| 1920 | 1920-07-07 | 1920-08-22 |
| 1921 | 1921-08-13 | 1921-08-13 |
| 1922 | 1922-06-01 | 1922-08-26 |
| 1923 | 1923-06-05 | 1923-09-10 |
| 1924 | 1924-06-29 | 1924-07-24 |
| 1925 | 1925-06-25 | 1925-08-19 |
| 1926 | 1926-06-23 | 1926-09-03 |
| 1927 | 1927-07-16 | 1927-08-17 |
| 1928 | 1928-05-24 | 1928-09-02 |
| 1929 | 1929-07-13 | 1929-09-16 |
| 1930 | 1930-07-09 | 1930-09-03 |
| 1931 | 1931-06-06 | 1931-08-28 |
| 1932 | 1932-06-11 | 1932-08-04 |
| 1933 | 1933-07-15 | 1933-08-27 |
| 1934 | 1934-04-22 | 1934-09-02 |
| 1935 | 1935-07-12 | 1935-09-29 |
| 1936 | 1936-07-26 | 1936-08-28 |
| 1937 | 1937-09-14 | 1937-09-14 |
| 1938 | 1938-07-13 | 1938-07-25 |
| 1939 | 1939-07-26 | 1939-08-21 |
| 1940 | 1940-08-17 | 1940-09-11 |
| 1941 | 1941-07-13 | 1941-07-18 |
| 1942 | 1942-06-30 | 1942-08-22 |
| 1944 | 1944-06-09 | 1944-08-30 |
| 1945 | 1945-06-24 | 1945-08-21 |
| 1946 | 1946-07-19 | 1946-08-21 |
| 1947 | 1947-05-26 | 1947-07-17 |
| 1948 | 1948-06-06 | 1948-09-08 |
| 1949 | 1949-06-05 | 1949-09-06 |
| 1950 | 1950-06-16 | 1950-09-01 |
| 1951 | 1951-06-27 | 1951-09-15 |
| 1952 | 1952-07-07 | 1952-09-22 |
| 1953 | 1953-07-06 | 1953-09-05 |
| 1955 | 1955-06-08 | 1955-09-05 |
| 1956 | 1956-05-18 | 1956-08-22 |
| 1957 | 1957-05-30 | 1957-09-14 |
| 1958 | 1958-05-18 | 1958-08-24 |
| 1959 | 1959-05-23 | 1959-07-31 |
| 1960 | 1960-07-05 | 1960-08-09 |
| 1961 | 1961-06-01 | 1961-08-22 |
| 1962 | 1962-07-22 | 1962-07-27 |
| 1963 | 1963-05-20 | 1963-09-09 |
| 1964 | 1964-08-24 | 1964-08-24 |
| 1965 | 1965-07-29 | 1965-08-18 |
| 1966 | 1966-08-23 | 1966-08-23 |
| 1967 | 1967-06-19 | 1967-09-16 |
| 1968 | 1968-07-02 | 1968-07-31 |
| 1969 | 1969-06-09 | 1969-06-17 |
| 1970 | 1970-07-15 | 1970-07-15 |
| 1971 | 1971-07-17 | 1971-08-10 |
| 1972 | 1972-07-04 | 1972-09-02 |
| 1973 | 1973-05-14 | 1973-09-05 |
| 1974 | 1974-08-28 | 1974-09-24 |
| 1975 | 1975-07-04 | 1975-07-27 |
| 1977 | 1977-07-24 | 1977-08-17 |
| 1978 | 1978-06-03 | 1978-08-09 |
| 1979 | 1979-07-16 | 1979-07-18 |
| 1980 | 1980-08-10 | 1980-08-10 |
| 1981 | 1981-08-06 | 1981-08-11 |
| 1982 | 1982-06-18 | 1982-08-07 |
| 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 | 65 | 24 | 1958 | 2 |
| 35 C (95 F): Days | 16 | 3 | 1915 | 2 |
| 90 F (32.2 C): Days | 48 | 9 | 1958 | 1 |
| 0 C (32 F): Ice days (max | 60 | 32 | 1916 | 7 |
| 0 C (32 F): Frost days (min | 69 | 143 | 1916 | 51 |
| -10 C (14 F): Days with min | 41 | 16 | 1916 | 1 |
| -20 C (-4 F): Days with min | 1 | 1 | 1950 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 70 | 62 | 1950 | 51 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 70 | 19 | 1954 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 50 | 5 | 1972 | 3 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 60 | 16 | 1916 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 25 | 4 | 1916 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 4 | 1 | 1916 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.
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).