Obo Threshold Days by Year
11 fixed thresholds counted per year at Obo (CT000004659): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Obo Thresholds
- Obo: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1979 with 310.
- Obo: days with a maximum temperature at or above 35 C (95 F) in 24 years, most in 1978 with 80.
- Obo: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1979 with 195.
- Obo: nights with a minimum temperature at or above 20 C (68 F) in 24 years, most in 1958 with 155.
- 11 fixed thresholds have at least one qualifying day at Obo.
Days at or above 30 C (86 F)
24 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1955 | 198 | 255.8 |
| 1956 | 256 | 255.8 |
| 1957 | 277 | 255.8 |
| 1958 | 292 | 255.8 |
| 1960 | 278 | 274.3 |
| 1961 | 259 | 274.3 |
| 1962 | 275 | 274.3 |
| 1963 | 289 | 274.3 |
| 1964 | 263 | 274.3 |
| 1965 | 274 | 274.3 |
| 1967 | 264 | 274.3 |
| 1968 | 274 | 274.3 |
| 1969 | 293 | 274.3 |
| 1970 | 277 | 283.8 |
| 1971 | 265 | 283.8 |
| 1972 | 293 | 283.8 |
| 1973 | 289 | 283.8 |
| 1974 | 259 | 283.8 |
| 1975 | 263 | 283.8 |
| 1976 | 286 | 283.8 |
| 1977 | 308 | 283.8 |
| 1978 | 288 | 283.8 |
| 1979 | 310 | 283.8 |
| 1980 | 294 | 294 |
| Year | First date | Last date |
|---|---|---|
| 1955 | 1955-01-01 | 1955-12-31 |
| 1956 | 1956-01-01 | 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 | 1964-01-01 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-11-30 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-01 | 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 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-30 |
| 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 | 24 | 310 | 1979 | 294 |
| 35 C (95 F): Days | 24 | 80 | 1978 | 73 |
| 40 C (104 F): Days | 3 | 11 | 1973 | 1 |
| 90 F (32.2 C): Days | 24 | 195 | 1979 | 163 |
| 100 F (37.8 C): Days | 20 | 33 | 1973 | 16 |
| 20 C (68 F): Tropical nights (min | 24 | 155 | 1958 | 68 |
| 25 C (77 F): Days with min | 1 | 1 | 1955 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 24 | 71 | 1955 | 47 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 24 | 25 | 1960 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 9 | 1964 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 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 1955.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).