Salmon Hole Threshold Days by Year (CA008205000)
16 fixed thresholds counted per year at Salmon Hole (CA008205000): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Salmon Hole Thresholds
- Salmon Hole: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1948 with 71.
- Salmon Hole: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1947 with 197.
- Salmon Hole: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1939 with 75.
- Salmon Hole: nights with a minimum temperature at or below -20 C (-4 F) in 42 years, most in 1948 with 26.
- 16 fixed thresholds have at least one qualifying day at Salmon Hole.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 8 | 8 |
| 1940 | 3 | 7.1 |
| 1941 | 4 | 7.1 |
| 1942 | 7 | 7.1 |
| 1943 | 3 | 7.1 |
| 1944 | 16 | 7.1 |
| 1945 | 9 | 7.1 |
| 1946 | 4 | 7.1 |
| 1947 | 8 | 7.1 |
| 1948 | 3 | 7.1 |
| 1949 | 14 | 7.1 |
| 1950 | 1 | 3.8 |
| 1951 | 1 | 3.8 |
| 1952 | 11 | 3.8 |
| 1953 | 1 | 3.8 |
| 1954 | 2 | 3.8 |
| 1955 | 6 | 3.8 |
| 1957 | 4 | 3.8 |
| 1959 | 4 | 3.8 |
| 1960 | 4 | 3.5 |
| 1962 | 4 | 3.5 |
| 1964 | 1 | 3.5 |
| 1965 | 5 | 3.5 |
| 1966 | 1 | 3.5 |
| 1967 | 4 | 3.5 |
| 1968 | 4 | 3.5 |
| 1969 | 5 | 3.5 |
| 1970 | 9 | 7.3 |
| 1971 | 3 | 7.3 |
| 1972 | 2 | 7.3 |
| 1973 | 3 | 7.3 |
| 1974 | 1 | 7.3 |
| 1975 | 8 | 7.3 |
| 1976 | 12 | 7.3 |
| 1977 | 9 | 7.3 |
| 1978 | 11 | 7.3 |
| 1979 | 15 | 7.3 |
| 1980 | 8 | 3.3 |
| 1981 | 1 | 3.3 |
| 1982 | 2 | 3.3 |
| 1983 | 2 | 3.3 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-05 | 1939-09-16 |
| 1940 | 1940-06-03 | 1940-08-18 |
| 1941 | 1941-06-21 | 1941-07-25 |
| 1942 | 1942-06-11 | 1942-09-02 |
| 1943 | 1943-06-25 | 1943-07-14 |
| 1944 | 1944-05-31 | 1944-08-16 |
| 1945 | 1945-06-15 | 1945-09-09 |
| 1946 | 1946-06-27 | 1946-07-20 |
| 1947 | 1947-06-29 | 1947-09-11 |
| 1948 | 1948-07-01 | 1948-08-29 |
| 1949 | 1949-06-16 | 1949-08-28 |
| 1950 | 1950-06-08 | 1950-06-08 |
| 1951 | 1951-07-15 | 1951-07-15 |
| 1952 | 1952-07-03 | 1952-08-29 |
| 1953 | 1953-08-31 | 1953-08-31 |
| 1954 | 1954-06-22 | 1954-08-25 |
| 1955 | 1955-07-02 | 1955-08-23 |
| 1957 | 1957-06-16 | 1957-07-20 |
| 1959 | 1959-07-27 | 1959-08-15 |
| 1960 | 1960-06-29 | 1960-09-08 |
| 1962 | 1962-06-15 | 1962-06-29 |
| 1964 | 1964-07-28 | 1964-07-28 |
| 1965 | 1965-06-23 | 1965-09-23 |
| 1966 | 1966-08-19 | 1966-08-19 |
| 1967 | 1967-06-04 | 1967-06-10 |
| 1968 | 1968-07-02 | 1968-07-19 |
| 1969 | 1969-06-28 | 1969-09-01 |
| 1970 | 1970-07-10 | 1970-08-16 |
| 1971 | 1971-07-01 | 1971-08-11 |
| 1972 | 1972-07-13 | 1972-07-14 |
| 1973 | 1973-07-08 | 1973-07-10 |
| 1974 | 1974-08-12 | 1974-08-12 |
| 1975 | 1975-06-23 | 1975-08-11 |
| 1976 | 1976-06-11 | 1976-08-24 |
| 1977 | 1977-05-22 | 1977-08-31 |
| 1978 | 1978-05-29 | 1978-08-24 |
| 1979 | 1979-06-16 | 1979-08-03 |
| 1980 | 1980-06-26 | 1980-08-07 |
| 1981 | 1981-07-02 | 1981-07-02 |
| 1982 | 1982-07-08 | 1982-07-19 |
| 1983 | 1983-06-22 | 1983-06-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 16 | 1944 | 2 |
| 35 C (95 F): Days | 2 | 3 | 1944 | 1 |
| 90 F (32.2 C): Days | 16 | 11 | 1944 | 2 |
| 0 C (32 F): Ice days (max | 43 | 71 | 1948 | 41 |
| 0 C (32 F): Frost days (min | 43 | 197 | 1947 | 151 |
| -10 C (14 F): Days with min | 43 | 75 | 1939 | 46 |
| -20 C (-4 F): Days with min | 42 | 26 | 1948 | 4 |
| -30 C (-22 F): Days with min | 5 | 3 | 1971 | 3 |
| 20 C (68 F): Tropical nights (min | 10 | 17 | 1979 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 55 | 1979 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 20 | 1979 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 33 | 5 | 1959 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1949 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 42 | 15 | 1964 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 19 | 3 | 1952 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1970 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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 (2025-12-31).