Bour Threshold Days by Year
9 fixed thresholds counted per year at Bour (CT000004601): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bour Thresholds
- Bour: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1951 with 271.
- Bour: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1952 with 152.
- Bour: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 1958 with 106.
- Bour: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1955 with 69.
- 9 fixed thresholds have at least one qualifying day at Bour.
Days at or above 30 C (86 F)
28 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 271 | 187.3 |
| 1952 | 251 | 187.3 |
| 1953 | 247 | 187.3 |
| 1954 | 126 | 187.3 |
| 1955 | 126 | 187.3 |
| 1956 | 136 | 187.3 |
| 1957 | 160 | 187.3 |
| 1958 | 181 | 187.3 |
| 1960 | 145 | 120.1 |
| 1961 | 158 | 120.1 |
| 1962 | 107 | 120.1 |
| 1963 | 117 | 120.1 |
| 1964 | 107 | 120.1 |
| 1965 | 96 | 120.1 |
| 1967 | 139 | 120.1 |
| 1968 | 102 | 120.1 |
| 1969 | 110 | 120.1 |
| 1970 | 141 | 127 |
| 1971 | 123 | 127 |
| 1972 | 134 | 127 |
| 1973 | 147 | 127 |
| 1974 | 102 | 127 |
| 1975 | 100 | 127 |
| 1976 | 115 | 127 |
| 1977 | 155 | 127 |
| 1978 | 131 | 127 |
| 1979 | 122 | 127 |
| 1980 | 140 | 140 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-01-01 | 1951-12-31 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1953 | 1953-01-01 | 1953-12-31 |
| 1954 | 1954-01-02 | 1954-12-31 |
| 1955 | 1955-01-01 | 1955-12-31 |
| 1956 | 1956-01-02 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1958 | 1958-01-01 | 1958-12-31 |
| 1960 | 1960-01-01 | 1960-12-31 |
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-01 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1964 | 1964-01-02 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-11-28 |
| 1967 | 1967-01-04 | 1967-12-31 |
| 1968 | 1968-01-04 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-01 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-25 |
| 1975 | 1975-01-02 | 1975-12-27 |
| 1976 | 1976-01-03 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-01 | 1979-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 28 | 271 | 1951 | 140 |
| 35 C (95 F): Days | 9 | 30 | 1951 | 1 |
| 90 F (32.2 C): Days | 28 | 152 | 1952 | 44 |
| 100 F (37.8 C): Days | 1 | 2 | 1951 | 2 |
| 20 C (68 F): Tropical nights (min | 28 | 106 | 1958 | 55 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 28 | 69 | 1955 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 28 | 1962 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 8 | 1960 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.
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 (2025-12-31).