| Petersburg, IL | Spring Grove, IL | United States |
Rainfall | 38 | 36 | 38 |
Snowfall | 17 | 40 | 28 |
Precipitation | 102 | 118 | 106 |
Sunny | 200 | 191 | 205 |
Avg. July High | 85 | 82 | 86 |
Avg. Jan. Low | 18 | 14 | 22 |
Comfort Index (higher=better) | 7.2 | 6.8 | 7 |
UV Index | 3.9 | 3.4 | 4.3 |
Elevation | 512 | 764 | 2443 |