Bright Threshold Days by Year
11 fixed thresholds counted per year at Bright (ASN00083067): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bright Thresholds
- Bright: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1973 with 56.
- Bright: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1973 with 22.
- Bright: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1982 with 67.
- Bright: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1983 with 46.
- 11 fixed thresholds have at least one qualifying day at Bright.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 42 | 45.8 |
| 1971 | 37 | 45.8 |
| 1972 | 44 | 45.8 |
| 1973 | 43 | 45.8 |
| 1974 | 44 | 45.8 |
| 1975 | 43 | 45.8 |
| 1976 | 37 | 45.8 |
| 1977 | 55 | 45.8 |
| 1978 | 49 | 45.8 |
| 1979 | 64 | 45.8 |
| 1980 | 53 | 46 |
| 1981 | 55 | 46 |
| 1982 | 67 | 46 |
| 1983 | 67 | 46 |
| 1984 | 25 | 46 |
| 1985 | 44 | 46 |
| 1986 | 39 | 46 |
| 1987 | 32 | 46 |
| 1988 | 40 | 46 |
| 1989 | 38 | 46 |
| 1990 | 41 | 37.2 |
| 1991 | 53 | 37.2 |
| 1992 | 24 | 37.2 |
| 1993 | 33 | 37.2 |
| 1994 | 35 | 37.2 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-01-15 | 1970-12-27 |
| 1971 | 1971-01-06 | 1971-12-25 |
| 1972 | 1972-01-09 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-30 |
| 1974 | 1974-01-03 | 1974-12-27 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-07 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-01 | 1979-12-30 |
| 1980 | 1980-01-02 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-31 |
| 1984 | 1984-01-05 | 1984-12-30 |
| 1985 | 1985-01-01 | 1985-11-11 |
| 1986 | 1986-01-06 | 1986-12-30 |
| 1987 | 1987-01-02 | 1987-12-27 |
| 1988 | 1988-01-05 | 1988-12-24 |
| 1989 | 1989-01-08 | 1989-12-30 |
| 1990 | 1990-01-01 | 1990-12-29 |
| 1991 | 1991-01-01 | 1991-12-28 |
| 1992 | 1992-01-19 | 1992-12-12 |
| 1993 | 1993-01-03 | 1993-12-20 |
| 1994 | 1994-01-03 | 1994-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 67 | 1982 | 35 |
| 35 C (95 F): Days | 22 | 23 | 1983 | 3 |
| 40 C (104 F): Days | 3 | 2 | 1983 | 1 |
| 90 F (32.2 C): Days | 25 | 46 | 1983 | 14 |
| 100 F (37.8 C): Days | 15 | 8 | 1983 | 1 |
| 0 C (32 F): Frost days (min | 24 | 71 | 1976 | 58 |
| 20 C (68 F): Tropical nights (min | 5 | 3 | 1973 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 30 | 56 | 1973 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 30 | 22 | 1973 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 6 | 1973 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1993 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-15).