Sparta Tva Threshold Days by Year (USC00408527)
14 fixed thresholds counted per year at Sparta Tva (USC00408527): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sparta Tva Thresholds
- Sparta Tva: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1950 with 59.
- Sparta Tva: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1951 with 23.
- Sparta Tva: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1954 with 8.
- Sparta Tva: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 1917 with 106.
- 14 fixed thresholds have at least one qualifying day at Sparta Tva.
Days at or above 30 C (86 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1906 | 78 | 75.8 |
| 1907 | 73 | 75.8 |
| 1908 | 87 | 75.8 |
| 1909 | 65 | 75.8 |
| 1910 | 90 | 87.7 |
| 1911 | 105 | 87.7 |
| 1912 | 81 | 87.7 |
| 1913 | 97 | 87.7 |
| 1914 | 94 | 87.7 |
| 1916 | 81 | 87.7 |
| 1917 | 66 | 87.7 |
| Year | First date | Last date |
|---|---|---|
| 1906 | 1906-04-12 | 1906-09-19 |
| 1907 | 1907-03-21 | 1907-09-24 |
| 1908 | 1908-03-18 | 1908-10-19 |
| 1909 | 1909-04-18 | 1909-10-18 |
| 1910 | 1910-03-26 | 1910-10-17 |
| 1911 | 1911-05-10 | 1911-10-06 |
| 1912 | 1912-05-10 | 1912-10-11 |
| 1913 | 1913-04-18 | 1913-10-10 |
| 1914 | 1914-04-17 | 1914-10-07 |
| 1916 | 1916-04-20 | 1916-10-07 |
| 1917 | 1917-04-17 | 1917-09-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 11 | 105 | 1911 | 66 |
| 35 C (95 F): Days | 5 | 22 | 1914 | 22 |
| 90 F (32.2 C): Days | 11 | 74 | 1913 | 18 |
| 100 F (37.8 C): Days | 1 | 1 | 1913 | 1 |
| 0 C (32 F): Ice days (max | 10 | 10 | 1917 | 10 |
| 0 C (32 F): Frost days (min | 12 | 106 | 1917 | 106 |
| -10 C (14 F): Days with min | 12 | 16 | 1917 | 16 |
| -20 C (-4 F): Days with min | 3 | 1 | 1912 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 43 | 1913 | 21 |
| 25 C (77 F): Days with min | 2 | 3 | 1914 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 25 | 59 | 1950 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 25 | 23 | 1951 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 8 | 1954 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1906 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.
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).