Marietta Threshold Days by Year (USC00095525)
14 fixed thresholds counted per year at Marietta (USC00095525): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Marietta Thresholds
- Marietta: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 1924 with 71.
- Marietta: nights with a minimum temperature at or above 20 C (68 F) in 12 years, most in 1898 with 69.
- Marietta: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1921 with 105.
- Marietta: days with a maximum temperature at or above 90 F (32.2 C) in 11 years, most in 1925 with 75.
- 14 fixed thresholds have at least one qualifying day at Marietta.
Days at or above 30 C (86 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1893 | 59 | 61 |
| 1894 | 42 | 61 |
| 1895 | 42 | 61 |
| 1896 | 81 | 61 |
| 1897 | 76 | 61 |
| 1898 | 66 | 61 |
| 1920 | 68 | 85 |
| 1921 | 105 | 85 |
| 1923 | 70 | 85 |
| 1924 | 87 | 85 |
| 1925 | 95 | 85 |
| Year | First date | Last date |
|---|---|---|
| 1893 | 1893-05-22 | 1893-09-22 |
| 1894 | 1894-04-29 | 1894-09-10 |
| 1895 | 1895-05-30 | 1895-09-27 |
| 1896 | 1896-04-16 | 1896-09-19 |
| 1897 | 1897-05-22 | 1897-10-06 |
| 1898 | 1898-05-03 | 1898-09-27 |
| 1920 | 1920-05-23 | 1920-09-28 |
| 1921 | 1921-05-23 | 1921-09-29 |
| 1923 | 1923-04-22 | 1923-10-01 |
| 1924 | 1924-05-05 | 1924-09-22 |
| 1925 | 1925-04-24 | 1925-10-07 |
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 | 1921 | 95 |
| 35 C (95 F): Days | 7 | 39 | 1925 | 39 |
| 40 C (104 F): Days | 1 | 2 | 1925 | 2 |
| 90 F (32.2 C): Days | 11 | 75 | 1925 | 75 |
| 100 F (37.8 C): Days | 1 | 12 | 1925 | 12 |
| 0 C (32 F): Ice days (max | 8 | 8 | 1895 | 1 |
| 0 C (32 F): Frost days (min | 12 | 71 | 1924 | 49 |
| -10 C (14 F): Days with min | 10 | 7 | 1893 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 69 | 1898 | 61 |
| 25 C (77 F): Days with min | 4 | 3 | 1925 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 9 | 49 | 1920 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 9 | 28 | 1920 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 7 | 1920 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1896 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.
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).