Climate twins of Mondamin, IA
These are the US cities whose 12-month climate pattern most closely matches Mondamin'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: Mondamin vs its climate twin
Top match: Chaseburg, WI
| Month | Mondamin | Chaseburg | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 29.4°F | 8.7°F | 0.92 in | 27.3°F | 10.9°F | 1.26 in |
| February | 34.3°F | 12.5°F | 1.30 in | 32.1°F | 14.3°F | 1.18 in |
| March | 47.9°F | 24.3°F | 2.28 in | 44.7°F | 26.4°F | 2.09 in |
| April | 61.7°F | 34.6°F | 3.87 in | 59.2°F | 38.4°F | 3.87 in |
| May | 72.5°F | 47.8°F | 5.06 in | 71.0°F | 50.0°F | 4.73 in |
| June | 82.7°F | 58.5°F | 5.72 in | 80.1°F | 60.3°F | 5.88 in |
| July | 85.8°F | 62.1°F | 4.85 in | 83.7°F | 64.2°F | 4.31 in |
| August | 83.3°F | 60.3°F | 4.54 in | 81.5°F | 62.4°F | 4.82 in |
| September | 77.2°F | 50.2°F | 5.05 in | 74.2°F | 54.3°F | 4.16 in |
| October | 64.1°F | 37.4°F | 2.93 in | 60.9°F | 42.1°F | 2.64 in |
| November | 47.9°F | 23.7°F | 1.74 in | 45.3°F | 29.8°F | 1.94 in |
| December | 34.1°F | 13.5°F | 1.50 in | 32.3°F | 18.2°F | 1.52 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 →