Dunbar Forest Exp STN Threshold Days by Year (USC00202298)
14 fixed thresholds counted per year at Dunbar Forest Exp STN (USC00202298): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dunbar Forest Exp STN Thresholds
- Dunbar Forest Exp STN: days with a maximum temperature at or below 0 C (32 F) in 46 years, most in 1989 with 107.
- Dunbar Forest Exp STN: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1980 with 203.
- Dunbar Forest Exp STN: nights with a minimum temperature at or below -10 C (14 F) in 46 years, most in 1989 with 112.
- Dunbar Forest Exp STN: nights with a minimum temperature at or below -20 C (-4 F) in 46 years, most in 1989 with 55.
- 14 fixed thresholds have at least one qualifying day at Dunbar Forest Exp STN.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 5 | 5.5 |
| 1943 | 5 | 5.5 |
| 1944 | 10 | 5.5 |
| 1945 | 5 | 5.5 |
| 1946 | 1 | 5.5 |
| 1949 | 7 | 5.5 |
| 1951 | 1 | 5.5 |
| 1952 | 3 | 5.5 |
| 1953 | 8 | 5.5 |
| 1954 | 1 | 5.5 |
| 1955 | 20 | 5.5 |
| 1956 | 3 | 5.5 |
| 1957 | 2 | 5.5 |
| 1959 | 6 | 5.5 |
| 1960 | 1 | 3.7 |
| 1961 | 2 | 3.7 |
| 1962 | 3 | 3.7 |
| 1963 | 9 | 3.7 |
| 1964 | 2 | 3.7 |
| 1966 | 7 | 3.7 |
| 1967 | 2 | 3.7 |
| 1968 | 4 | 3.7 |
| 1969 | 3 | 3.7 |
| 1970 | 1 | 3.3 |
| 1971 | 2 | 3.3 |
| 1973 | 2 | 3.3 |
| 1974 | 4 | 3.3 |
| 1975 | 11 | 3.3 |
| 1976 | 5 | 3.3 |
| 1977 | 2 | 3.3 |
| 1978 | 2 | 3.3 |
| 1979 | 1 | 3.3 |
| 1980 | 4 | 6.7 |
| 1981 | 5 | 6.7 |
| 1982 | 2 | 6.7 |
| 1983 | 19 | 6.7 |
| 1984 | 1 | 6.7 |
| 1985 | 1 | 6.7 |
| 1986 | 1 | 6.7 |
| 1987 | 8 | 6.7 |
| 1988 | 17 | 6.7 |
| 1989 | 9 | 6.7 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-07-12 | 1942-08-22 |
| 1943 | 1943-06-24 | 1943-07-13 |
| 1944 | 1944-05-30 | 1944-08-11 |
| 1945 | 1945-06-23 | 1945-09-07 |
| 1946 | 1946-08-06 | 1946-08-06 |
| 1949 | 1949-06-11 | 1949-08-09 |
| 1951 | 1951-07-26 | 1951-07-26 |
| 1952 | 1952-07-06 | 1952-09-13 |
| 1953 | 1953-05-09 | 1953-09-03 |
| 1954 | 1954-07-26 | 1954-07-26 |
| 1955 | 1955-06-19 | 1955-09-18 |
| 1956 | 1956-06-12 | 1956-06-14 |
| 1957 | 1957-07-19 | 1957-07-28 |
| 1959 | 1959-06-09 | 1959-08-20 |
| 1960 | 1960-09-07 | 1960-09-07 |
| 1961 | 1961-06-29 | 1961-08-31 |
| 1962 | 1962-05-16 | 1962-07-07 |
| 1963 | 1963-06-28 | 1963-07-26 |
| 1964 | 1964-06-29 | 1964-07-18 |
| 1966 | 1966-06-24 | 1966-07-12 |
| 1967 | 1967-06-03 | 1967-06-04 |
| 1968 | 1968-07-15 | 1968-08-25 |
| 1969 | 1969-05-28 | 1969-08-30 |
| 1970 | 1970-07-26 | 1970-07-26 |
| 1971 | 1971-06-28 | 1971-06-29 |
| 1973 | 1973-08-28 | 1973-08-29 |
| 1974 | 1974-07-08 | 1974-07-14 |
| 1975 | 1975-05-23 | 1975-08-02 |
| 1976 | 1976-07-06 | 1976-09-09 |
| 1977 | 1977-07-19 | 1977-07-20 |
| 1978 | 1978-05-27 | 1978-05-28 |
| 1979 | 1979-07-13 | 1979-07-13 |
| 1980 | 1980-05-24 | 1980-08-07 |
| 1981 | 1981-07-07 | 1981-08-04 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-12 | 1983-09-04 |
| 1984 | 1984-06-07 | 1984-06-07 |
| 1985 | 1985-08-07 | 1985-08-07 |
| 1986 | 1986-07-06 | 1986-07-06 |
| 1987 | 1987-05-29 | 1987-08-04 |
| 1988 | 1988-05-31 | 1988-08-14 |
| 1989 | 1989-07-04 | 1989-08-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 20 | 1955 | 9 |
| 35 C (95 F): Days | 1 | 3 | 1988 | 3 |
| 90 F (32.2 C): Days | 13 | 7 | 1955 | 7 |
| 0 C (32 F): Ice days (max | 46 | 107 | 1989 | 107 |
| 0 C (32 F): Frost days (min | 46 | 203 | 1980 | 196 |
| -10 C (14 F): Days with min | 46 | 112 | 1989 | 112 |
| -20 C (-4 F): Days with min | 46 | 55 | 1989 | 55 |
| -30 C (-22 F): Days with min | 37 | 9 | 1982 | 3 |
| 20 C (68 F): Tropical nights (min | 16 | 8 | 1959 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 32 | 1968 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 9 | 1954 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 18 | 3 | 1970 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 41 | 13 | 1972 | 7 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 6 | 2 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
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).