Climate twins of Kittitas, WA
These are the US cities whose 12-month climate pattern most closely matches Kittitas's. Each "twin" must be at least 140 miles away to avoid trivial near-neighbor matches. Similarity is computed across all 24 monthly metrics (12 average temperatures + 12 average precipitations), normalized so temperature and precipitation contribute equally.
Side-by-side: Kittitas vs its climate twin
Top match: Castleford, ID
| Month | Kittitas | Castleford | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 35.0°F | 20.2°F | 1.19 in | 36.1°F | 20.3°F | 1.22 in |
| February | 42.6°F | 22.4°F | 0.82 in | 42.1°F | 23.1°F | 1.05 in |
| March | 52.1°F | 27.6°F | 0.80 in | 52.9°F | 28.3°F | 0.96 in |
| April | 60.1°F | 33.7°F | 0.63 in | 60.1°F | 32.9°F | 1.21 in |
| May | 69.3°F | 42.1°F | 0.81 in | 69.5°F | 40.6°F | 1.43 in |
| June | 75.6°F | 48.2°F | 0.55 in | 78.4°F | 47.1°F | 0.75 in |
| July | 84.8°F | 53.6°F | 0.31 in | 87.9°F | 53.8°F | 0.24 in |
| August | 84.5°F | 51.9°F | 0.18 in | 85.9°F | 51.9°F | 0.34 in |
| September | 76.1°F | 43.4°F | 0.33 in | 76.3°F | 44.2°F | 0.50 in |
| October | 61.5°F | 33.5°F | 0.82 in | 62.0°F | 34.8°F | 0.78 in |
| November | 45.5°F | 25.9°F | 1.10 in | 46.5°F | 25.6°F | 0.94 in |
| December | 35.0°F | 20.3°F | 1.45 in | 35.3°F | 19.2°F | 1.30 in |
How this is computed
Each city is represented by a 24-dimensional vector: 12 monthly average temperatures and 12 monthly average precipitations. Each dimension is z-score normalized across the population of US cities, so that temperature variance and precipitation variance contribute proportionally. Distance between cities is Euclidean. We filter out cities within 2° latitude/longitude (~140 miles) so that "twins" mean climatically similar but geographically distinct — not just the neighboring town. Full methodology →