Nanaimo Departure Bay Threshold Days by Year
15 fixed thresholds counted per year at Nanaimo Departure Bay (CA001025C70): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Nanaimo Departure Bay Thresholds
- Nanaimo Departure Bay: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1916 with 91.
- Nanaimo Departure Bay: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1952 with 16.
- Nanaimo Departure Bay: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1914 with 41.
- Nanaimo Departure Bay: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1921 with 10.
- 15 fixed thresholds have at least one qualifying day at Nanaimo Departure Bay.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1913 | 5 | 3.1 |
| 1914 | 4 | 3.1 |
| 1915 | 8 | 3.1 |
| 1916 | 2 | 3.1 |
| 1917 | 1 | 3.1 |
| 1918 | 1 | 3.1 |
| 1919 | 1 | 3.1 |
| 1920 | 12 | 5 |
| 1921 | 1 | 5 |
| 1922 | 5 | 5 |
| 1923 | 4 | 5 |
| 1924 | 6 | 5 |
| 1925 | 2 | 5 |
| 1930 | 1 | 5.2 |
| 1931 | 5 | 5.2 |
| 1932 | 3 | 5.2 |
| 1933 | 9 | 5.2 |
| 1934 | 2 | 5.2 |
| 1935 | 6 | 5.2 |
| 1937 | 2 | 5.2 |
| 1938 | 8 | 5.2 |
| 1939 | 11 | 5.2 |
| 1940 | 7 | 5 |
| 1941 | 7 | 5 |
| 1942 | 13 | 5 |
| 1944 | 4 | 5 |
| 1945 | 6 | 5 |
| 1946 | 1 | 5 |
| 1947 | 1 | 5 |
| 1948 | 1 | 5 |
| 1949 | 5 | 5 |
| 1950 | 6 | 6.1 |
| 1951 | 11 | 6.1 |
| 1952 | 16 | 6.1 |
| 1953 | 2 | 6.1 |
| 1955 | 1 | 6.1 |
| 1956 | 6 | 6.1 |
| 1957 | 1 | 6.1 |
| 1960 | 6 | 5.4 |
| 1961 | 8 | 5.4 |
| 1965 | 5 | 5.4 |
| 1966 | 1 | 5.4 |
| 1967 | 10 | 5.4 |
| 1968 | 5 | 5.4 |
| 1969 | 3 | 5.4 |
| 1970 | 1 | 5.1 |
| 1971 | 11 | 5.1 |
| 1972 | 5 | 5.1 |
| 1973 | 2 | 5.1 |
| 1974 | 4 | 5.1 |
| 1975 | 2 | 5.1 |
| 1977 | 12 | 5.1 |
| 1978 | 6 | 5.1 |
| 1979 | 3 | 5.1 |
| 1980 | 1 | 5 |
| 1981 | 6 | 5 |
| 1982 | 8 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1913 | 1913-07-19 | 1913-08-01 |
| 1914 | 1914-05-22 | 1914-08-13 |
| 1915 | 1915-06-30 | 1915-08-22 |
| 1916 | 1916-08-24 | 1916-08-25 |
| 1917 | 1917-08-16 | 1917-08-16 |
| 1918 | 1918-07-17 | 1918-07-17 |
| 1919 | 1919-07-15 | 1919-07-15 |
| 1920 | 1920-07-06 | 1920-08-13 |
| 1921 | 1921-08-13 | 1921-08-13 |
| 1922 | 1922-07-02 | 1922-08-26 |
| 1923 | 1923-06-05 | 1923-08-16 |
| 1924 | 1924-05-12 | 1924-07-25 |
| 1925 | 1925-08-08 | 1925-08-19 |
| 1930 | 1930-08-12 | 1930-08-12 |
| 1931 | 1931-06-06 | 1931-08-09 |
| 1932 | 1932-06-12 | 1932-08-04 |
| 1933 | 1933-07-15 | 1933-08-26 |
| 1934 | 1934-08-24 | 1934-08-25 |
| 1935 | 1935-07-13 | 1935-08-28 |
| 1937 | 1937-07-24 | 1937-07-25 |
| 1938 | 1938-06-21 | 1938-08-24 |
| 1939 | 1939-07-26 | 1939-08-21 |
| 1940 | 1940-06-18 | 1940-09-09 |
| 1941 | 1941-07-13 | 1941-08-18 |
| 1942 | 1942-06-30 | 1942-08-23 |
| 1944 | 1944-07-18 | 1944-09-09 |
| 1945 | 1945-07-06 | 1945-07-19 |
| 1946 | 1946-07-20 | 1946-07-20 |
| 1947 | 1947-05-26 | 1947-05-26 |
| 1948 | 1948-06-07 | 1948-06-07 |
| 1949 | 1949-07-09 | 1949-09-09 |
| 1950 | 1950-06-16 | 1950-08-20 |
| 1951 | 1951-06-28 | 1951-08-20 |
| 1952 | 1952-07-07 | 1952-09-21 |
| 1953 | 1953-07-07 | 1953-08-14 |
| 1955 | 1955-09-05 | 1955-09-05 |
| 1956 | 1956-05-30 | 1956-08-12 |
| 1957 | 1957-05-30 | 1957-05-30 |
| 1960 | 1960-07-06 | 1960-08-09 |
| 1961 | 1961-07-11 | 1961-08-19 |
| 1965 | 1965-07-29 | 1965-08-18 |
| 1966 | 1966-08-23 | 1966-08-23 |
| 1967 | 1967-06-15 | 1967-08-29 |
| 1968 | 1968-07-02 | 1968-07-31 |
| 1969 | 1969-06-09 | 1969-06-17 |
| 1970 | 1970-07-14 | 1970-07-14 |
| 1971 | 1971-07-17 | 1971-08-11 |
| 1972 | 1972-07-04 | 1972-08-07 |
| 1973 | 1973-07-17 | 1973-07-18 |
| 1974 | 1974-08-01 | 1974-08-30 |
| 1975 | 1975-07-04 | 1975-07-05 |
| 1977 | 1977-07-24 | 1977-08-17 |
| 1978 | 1978-06-02 | 1978-08-08 |
| 1979 | 1979-07-16 | 1979-07-18 |
| 1980 | 1980-08-10 | 1980-08-10 |
| 1981 | 1981-08-06 | 1981-08-11 |
| 1982 | 1982-06-17 | 1982-08-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 16 | 1952 | 8 |
| 35 C (95 F): Days | 8 | 4 | 1941 | 1 |
| 90 F (32.2 C): Days | 33 | 6 | 1939 | 4 |
| 100 F (37.8 C): Days | 1 | 2 | 1941 | 2 |
| 0 C (32 F): Ice days (max | 45 | 20 | 1916 | 2 |
| 0 C (32 F): Frost days (min | 62 | 91 | 1916 | 63 |
| -10 C (14 F): Days with min | 14 | 11 | 1929 | 1 |
| 20 C (68 F): Tropical nights (min | 26 | 6 | 1981 | 6 |
| 25 C (77 F): Days with min | 2 | 1 | 1941 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 41 | 1914 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 10 | 1921 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 2 | 1918 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 45 | 8 | 1916 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 11 | 2 | 1971 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1935 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-16).