| | Baltimore, MD | Merrillville, IN | United States |
| Rainfall | 42.3 | 38.4 | 38.1 |
| Snowfall | 18.5 | 32.5 | 27.8 |
| Precipitation Days | 113.6 | 121.1 | 106.2 |
| Sunny | 213 | 188 | 205 |
| Avg. July High | 88.1 | 82.8 | 85.8 |
| Avg. Jan. Low | 27.4 | 16.3 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
| UV Index | 4.1 | 3.7 | 4.3 |
| Elevation ft. | 33 | 656 | 2443 |