| | Helena, MT | Grovetown, GA | United States |
| Rainfall | 12.6 | 45.2 | 38.1 |
| Snowfall | 42.1 | 0.5 | 27.8 |
| Precipitation Days | 89.6 | 103.5 | 106.2 |
| Sunny | 189 | 216 | 205 |
| Avg. July High | 83.4 | 91.9 | 85.8 |
| Avg. Jan. Low | 13.8 | 34.4 | 21.7 |
| Comfort Index (higher=better) | 6.6 | 7.4 | 7 |
| UV Index | 3.9 | 5 | 4.3 |
| Elevation ft. | 4045 | 479 | 2443 |