O.W.L. — Observation Watch Log
Collection
80+ free public /v1/* REST endpoints for US weather, atmospheric, hazard, marine, and aviation data. MIT. • 5 items • Updated
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ASOS station catalog
The full Automated Surface Observing System station catalog used by the O.W.L. project at https://github.com/consigcody94/asos-tools-py. 2,929 US ASOS sites across 50 states + DC + territories — ICAO id, IEM id, name, state, lat/lon, elevation, network, online status, archive date range.
Sourced from IEM's per-state GeoJSON network feeds.
Quick start (Python)
import pandas as pd
df = pd.read_parquet("hf://datasets/consgicody/asos-stations/stations.parquet")
print(df[df["state"] == "NY"].head())
Live API
Every station in this catalog is also queryable via the live REST API:
GET https://consgicody-asos-tools.hf.space/v1/stations?q=kennedyGET https://consgicody-asos-tools.hf.space/v1/stations/KJFKGET https://consgicody-asos-tools.hf.space/v1/stations/nearest?lat=40.78&lon=-73.97&n=5
License
MIT. Data is public-domain US government output.
Built
2026-05-21T21:34:23.612278+00:00 UTC
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