Fergus Shand Dam Threshold Days by Year (CA006142400)
15 fixed thresholds counted per year at Fergus Shand Dam (CA006142400): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Fergus Shand Dam Thresholds
- Fergus Shand Dam: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1943 with 194.
- Fergus Shand Dam: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1940 with 87.
- Fergus Shand Dam: nights with a minimum temperature at or below -20 C (-4 F) in 41 years, most in 1963 with 32.
- Fergus Shand Dam: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1940 with 109.
- 15 fixed thresholds have at least one qualifying day at Fergus Shand Dam.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1940 | 4 | 9.1 |
| 1941 | 14 | 9.1 |
| 1943 | 6 | 9.1 |
| 1944 | 13 | 9.1 |
| 1945 | 4 | 9.1 |
| 1946 | 6 | 9.1 |
| 1947 | 11 | 9.1 |
| 1948 | 9 | 9.1 |
| 1949 | 15 | 9.1 |
| 1950 | 2 | 11.4 |
| 1952 | 10 | 11.4 |
| 1953 | 15 | 11.4 |
| 1954 | 8 | 11.4 |
| 1955 | 35 | 11.4 |
| 1957 | 1 | 11.4 |
| 1959 | 9 | 11.4 |
| 1960 | 2 | 3.5 |
| 1961 | 1 | 3.5 |
| 1962 | 2 | 3.5 |
| 1963 | 4 | 3.5 |
| 1964 | 2 | 3.5 |
| 1965 | 2 | 3.5 |
| 1966 | 8 | 3.5 |
| 1967 | 1 | 3.5 |
| 1968 | 6 | 3.5 |
| 1969 | 7 | 3.5 |
| 1970 | 5 | 5.9 |
| 1972 | 4 | 5.9 |
| 1973 | 12 | 5.9 |
| 1974 | 6 | 5.9 |
| 1975 | 6 | 5.9 |
| 1977 | 5 | 5.9 |
| 1978 | 6 | 5.9 |
| 1979 | 3 | 5.9 |
| 1981 | 2 | 6 |
| 1983 | 10 | 6 |
| Year | First date | Last date |
|---|---|---|
| 1940 | 1940-07-22 | 1940-07-29 |
| 1941 | 1941-06-23 | 1941-08-10 |
| 1943 | 1943-06-25 | 1943-09-01 |
| 1944 | 1944-06-28 | 1944-08-15 |
| 1945 | 1945-06-29 | 1945-09-07 |
| 1946 | 1946-06-29 | 1946-08-08 |
| 1947 | 1947-08-05 | 1947-09-07 |
| 1948 | 1948-07-10 | 1948-08-28 |
| 1949 | 1949-06-12 | 1949-08-26 |
| 1950 | 1950-08-15 | 1950-08-16 |
| 1952 | 1952-06-24 | 1952-09-12 |
| 1953 | 1953-06-20 | 1953-09-04 |
| 1954 | 1954-07-24 | 1954-08-24 |
| 1955 | 1955-06-17 | 1955-09-18 |
| 1957 | 1957-06-17 | 1957-06-17 |
| 1959 | 1959-06-09 | 1959-09-09 |
| 1960 | 1960-09-06 | 1960-09-07 |
| 1961 | 1961-09-08 | 1961-09-08 |
| 1962 | 1962-05-18 | 1962-05-19 |
| 1963 | 1963-06-29 | 1963-07-27 |
| 1964 | 1964-06-30 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-08-06 |
| 1966 | 1966-06-25 | 1966-07-25 |
| 1967 | 1967-06-16 | 1967-06-16 |
| 1968 | 1968-06-09 | 1968-08-24 |
| 1969 | 1969-06-27 | 1969-08-31 |
| 1970 | 1970-07-26 | 1970-08-15 |
| 1972 | 1972-07-12 | 1972-07-23 |
| 1973 | 1973-07-08 | 1973-09-05 |
| 1974 | 1974-07-04 | 1974-08-21 |
| 1975 | 1975-06-22 | 1975-08-02 |
| 1977 | 1977-05-21 | 1977-07-20 |
| 1978 | 1978-07-07 | 1978-08-19 |
| 1979 | 1979-07-13 | 1979-07-15 |
| 1981 | 1981-06-15 | 1981-07-08 |
| 1983 | 1983-06-23 | 1983-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 35 | 1955 | 10 |
| 35 C (95 F): Days | 3 | 2 | 1953 | 1 |
| 90 F (32.2 C): Days | 16 | 16 | 1955 | 1 |
| 0 C (32 F): Ice days (max | 40 | 109 | 1940 | 72 |
| 0 C (32 F): Frost days (min | 41 | 194 | 1943 | 164 |
| -10 C (14 F): Days with min | 41 | 87 | 1940 | 43 |
| -20 C (-4 F): Days with min | 41 | 32 | 1963 | 6 |
| -30 C (-22 F): Days with min | 11 | 7 | 1948 | 2 |
| 20 C (68 F): Tropical nights (min | 35 | 8 | 1949 | 7 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 37 | 1947 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 10 | 1967 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 2 | 1949 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1967 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 39 | 17 | 1947 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1950 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.
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).