Climate twins of Mammoth Spring, AR

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

Top match: Thebes, IL

Month Mammoth Spring Thebes
High Low Precip High Low Precip
January 46.8°F 22.8°F 3.56 in 43.0°F 26.2°F 3.51 in
February 51.5°F 26.5°F 3.48 in 48.2°F 29.7°F 3.31 in
March 60.8°F 35.3°F 4.62 in 58.1°F 37.3°F 4.69 in
April 70.7°F 44.0°F 5.21 in 69.0°F 46.8°F 5.18 in
May 78.2°F 54.0°F 5.31 in 78.1°F 57.5°F 5.27 in
June 86.2°F 62.7°F 3.34 in 86.6°F 65.9°F 3.80 in
July 90.3°F 66.4°F 3.95 in 89.2°F 69.3°F 3.87 in
August 89.6°F 64.8°F 3.49 in 88.3°F 66.4°F 3.23 in
September 82.4°F 56.7°F 3.64 in 81.8°F 57.7°F 3.61 in
October 72.3°F 44.2°F 3.77 in 70.9°F 46.3°F 3.57 in
November 60.0°F 34.1°F 4.59 in 56.8°F 36.7°F 4.25 in
December 49.8°F 26.5°F 3.79 in 46.3°F 29.8°F 3.62 in

Cities that consider Mammoth Spring their climate twin

These US cities have Mammoth Spring in their top 3 most-similar list — meaning if you were to move from any of these places, Mammoth Spring would feel familiar.

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 →