| | Lexington, MA | Los Altos, CA | United States |
| Rainfall | 48.2 | 18.8 | 38.1 |
| Snowfall | 52.2 | 0 | 27.8 |
| Precipitation Days | 134.9 | 60.9 | 106.2 |
| Sunny | 200 | 263 | 205 |
| Avg. July High | 82.8 | 80.9 | 85.8 |
| Avg. Jan. Low | 16.7 | 39.9 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 8.7 | 7 |
| UV Index | 3.5 | 5.1 | 4.3 |
| Elevation ft. | 213 | 157 | 2443 |