Power Threshold Days by Year (USC00327270)
16 fixed thresholds counted per year at Power (USC00327270): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Power Thresholds
- Power: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1909 with 27.
- Power: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1913 with 9.
- Power: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1907 with 224.
- Power: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1897 with 121.
- 16 fixed thresholds have at least one qualifying day at Power.
Days at or above 30 C (86 F)
16 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1894 | 60 | 29 |
| 1896 | 26 | 29 |
| 1897 | 29 | 29 |
| 1898 | 18 | 29 |
| 1899 | 12 | 29 |
| 1900 | 58 | 27.2 |
| 1902 | 16 | 27.2 |
| 1905 | 16 | 27.2 |
| 1907 | 11 | 27.2 |
| 1908 | 36 | 27.2 |
| 1909 | 26 | 27.2 |
| 1910 | 58 | 33.8 |
| 1911 | 33 | 33.8 |
| 1912 | 20 | 33.8 |
| 1913 | 33 | 33.8 |
| 1914 | 25 | 33.8 |
| Year | First date | Last date |
|---|---|---|
| 1894 | 1894-05-13 | 1894-09-18 |
| 1896 | 1896-05-06 | 1896-09-12 |
| 1897 | 1897-04-27 | 1897-10-02 |
| 1898 | 1898-06-17 | 1898-09-27 |
| 1899 | 1899-07-18 | 1899-09-12 |
| 1900 | 1900-05-10 | 1900-09-09 |
| 1902 | 1902-06-09 | 1902-08-18 |
| 1905 | 1905-06-13 | 1905-09-29 |
| 1907 | 1907-06-16 | 1907-08-17 |
| 1908 | 1908-04-21 | 1908-09-24 |
| 1909 | 1909-05-04 | 1909-10-07 |
| 1910 | 1910-04-27 | 1910-10-17 |
| 1911 | 1911-04-17 | 1911-09-16 |
| 1912 | 1912-05-09 | 1912-09-08 |
| 1913 | 1913-04-16 | 1913-09-06 |
| 1914 | 1914-05-25 | 1914-10-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 16 | 60 | 1894 | 25 |
| 35 C (95 F): Days | 13 | 22 | 1894 | 5 |
| 40 C (104 F): Days | 1 | 3 | 1894 | 3 |
| 90 F (32.2 C): Days | 16 | 45 | 1894 | 13 |
| 100 F (37.8 C): Days | 2 | 8 | 1894 | 2 |
| 0 C (32 F): Ice days (max | 16 | 102 | 1897 | 89 |
| 0 C (32 F): Frost days (min | 19 | 224 | 1907 | 173 |
| -10 C (14 F): Days with min | 19 | 121 | 1897 | 90 |
| -20 C (-4 F): Days with min | 19 | 70 | 1899 | 55 |
| -30 C (-22 F): Days with min | 19 | 22 | 1899 | 12 |
| -40 C (-40 F): Days with min | 3 | 3 | 1899 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 11 | 1894 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 21 | 27 | 1909 | 19 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 9 | 1913 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 3 | 1897 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 0 | n/a | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.
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).