Conneaut Threshold Days by Year (USC00331818)
12 fixed thresholds counted per year at Conneaut (USC00331818): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Conneaut Thresholds
- Conneaut: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1911 with 34.
- Conneaut: days with a maximum temperature at or above 90 F (32.2 C) in 3 years, most in 1911 with 19.
- Conneaut: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1912 with 53.
- Conneaut: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1911 with 130.
- 12 fixed thresholds have at least one qualifying day at Conneaut.
Days at or above 30 C (86 F)
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1911 | 34 | 27.3 |
| 1912 | 21 | 27.3 |
| 1913 | 27 | 27.3 |
| Year | First date | Last date |
|---|---|---|
| 1911 | 1911-05-11 | 1911-09-02 |
| 1912 | 1912-05-19 | 1912-09-10 |
| 1913 | 1913-06-06 | 1913-09-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 3 | 34 | 1911 | 27 |
| 35 C (95 F): Days | 2 | 5 | 1911 | 4 |
| 90 F (32.2 C): Days | 3 | 19 | 1911 | 10 |
| 0 C (32 F): Ice days (max | 3 | 53 | 1912 | 28 |
| 0 C (32 F): Frost days (min | 3 | 130 | 1911 | 113 |
| -10 C (14 F): Days with min | 3 | 47 | 1912 | 23 |
| -20 C (-4 F): Days with min | 1 | 6 | 1912 | 6 |
| -30 C (-22 F): Days with min | 1 | 1 | 1912 | 1 |
| 20 C (68 F): Tropical nights (min | 3 | 21 | 1911 | 10 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 3 | 39 | 1913 | 39 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 3 | 8 | 1913 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 2 | 1912 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.
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).