Climate twins of Prosperity, SC

These are the US cities whose 12-month climate pattern most closely matches Prosperity'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: Prosperity vs its climate twin

Top match: Unadilla, GA

Month Prosperity Unadilla
High Low Precip High Low Precip
January 54.7°F 35.3°F 4.01 in 58.8°F 34.8°F 4.65 in
February 58.7°F 38.0°F 3.64 in 62.8°F 37.2°F 4.33 in
March 65.9°F 44.0°F 4.14 in 70.1°F 43.1°F 4.52 in
April 74.5°F 52.3°F 3.26 in 77.4°F 49.9°F 3.69 in
May 81.7°F 60.5°F 3.18 in 85.0°F 59.0°F 2.90 in
June 87.7°F 67.8°F 4.41 in 90.2°F 67.1°F 4.39 in
July 91.0°F 70.8°F 4.03 in 92.4°F 70.1°F 4.66 in
August 89.2°F 69.8°F 4.54 in 91.1°F 69.6°F 4.68 in
September 84.1°F 64.2°F 3.74 in 86.8°F 64.0°F 4.07 in
October 74.7°F 53.4°F 3.44 in 78.3°F 52.7°F 2.92 in
November 64.3°F 43.4°F 3.39 in 68.7°F 42.0°F 3.14 in
December 57.0°F 37.8°F 4.19 in 61.1°F 36.7°F 4.59 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 →