Belfry 4 SSW Threshold Days by Year (USC00240617)
15 fixed thresholds counted per year at Belfry 4 SSW (USC00240617): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Belfry 4 SSW Thresholds
- Belfry 4 SSW: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1952 with 8.
- Belfry 4 SSW: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1961 with 64.
- Belfry 4 SSW: days with a maximum temperature at or above 35 C (95 F) in 7 years, most in 1961 with 23.
- Belfry 4 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 7 years, most in 1960 with 48.
- 15 fixed thresholds have at least one qualifying day at Belfry 4 SSW.
Days at or above 30 C (86 F)
7 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 62 | 51.1 |
| 1961 | 64 | 51.1 |
| 1964 | 49 | 51.1 |
| 1965 | 25 | 51.1 |
| 1966 | 58 | 51.1 |
| 1967 | 49 | 51.1 |
| 1969 | 51 | 51.1 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-05-11 | 1960-09-20 |
| 1961 | 1961-06-07 | 1961-08-30 |
| 1964 | 1964-05-19 | 1964-09-08 |
| 1965 | 1965-06-12 | 1965-10-09 |
| 1966 | 1966-05-04 | 1966-09-21 |
| 1967 | 1967-05-22 | 1967-09-29 |
| 1969 | 1969-05-24 | 1969-09-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 7 | 64 | 1961 | 51 |
| 35 C (95 F): Days | 7 | 23 | 1961 | 13 |
| 40 C (104 F): Days | 1 | 1 | 1961 | 1 |
| 90 F (32.2 C): Days | 7 | 48 | 1960 | 33 |
| 100 F (37.8 C): Days | 5 | 7 | 1961 | 1 |
| 0 C (32 F): Ice days (max | 7 | 41 | 1967 | 31 |
| 0 C (32 F): Frost days (min | 6 | 199 | 1961 | 197 |
| -10 C (14 F): Days with min | 6 | 72 | 1964 | 65 |
| -20 C (-4 F): Days with min | 6 | 15 | 1966 | 14 |
| -30 C (-22 F): Days with min | 3 | 3 | 1969 | 3 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1966 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 16 | 8 | 1952 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 5 | 3 | 1969 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1952 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 2 | 2 | 1969 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).