Climate coverage

Nationwide frost data plane health. Outliers beyond 200 km fall back to station/regional/zone.

ZIP records: 33145
Data version: ghcn-2026-07-19
TMIN stations: 1764
Station pool: 8478
Median distance: 27.9 km
p95 distance: 54.9 km
Zone fill: 97.7%
Skipped ZIPs: 0

Confidence (usable tier)

high ≤25 km · medium ≤60 km · low ≤200 km

High

14284

Medium

18071

Low

635

Outliers (rejected)

155

Computed 2026-07-19T03:17:05.796Z. See API docs and docs/data-sources.md.