Winchester Threshold Days by Year (USC00158757)
11 fixed thresholds counted per year at Winchester (USC00158757): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Winchester Thresholds
- Winchester: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1941 with 101.
- Winchester: days with a maximum temperature at or above 90 F (32.2 C) in 3 years, most in 1941 with 57.
- Winchester: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1943 with 22.
- Winchester: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1942 with 106.
- 11 fixed thresholds have at least one qualifying day at Winchester.
Days at or above 30 C (86 F)
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1941 | 101 | 74.3 |
| 1942 | 52 | 74.3 |
| 1943 | 70 | 74.3 |
| Year | First date | Last date |
|---|---|---|
| 1941 | 1941-04-19 | 1941-10-09 |
| 1942 | 1942-04-30 | 1942-09-19 |
| 1943 | 1943-05-06 | 1943-09-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 3 | 101 | 1941 | 70 |
| 35 C (95 F): Days | 2 | 18 | 1941 | 4 |
| 90 F (32.2 C): Days | 3 | 57 | 1941 | 41 |
| 0 C (32 F): Ice days (max | 3 | 22 | 1943 | 22 |
| 0 C (32 F): Frost days (min | 3 | 106 | 1942 | 98 |
| -10 C (14 F): Days with min | 3 | 17 | 1942 | 16 |
| -20 C (-4 F): Days with min | 1 | 2 | 1942 | 2 |
| 20 C (68 F): Tropical nights (min | 3 | 42 | 1941 | 31 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 3 | 45 | 1942 | 24 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 3 | 14 | 1942 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 3 | 1942 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.
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).