- gateweather-heldout-year.csv.gz, 7.1 MB (SHA-256
0023df17e068569f…) - gateweather-heldout-year.parquet, 5.0 MB (SHA-256
33461737cbe4b5cf…)
What is in it
One row per airport and local day, 1 November 2025 to 24 October 2026: 115,158 rows at 324 airports, every forecast issued at 18:00 local, the evening before from what was public by then. Temperatures in °C.
observed_high,observed_low: the warmest and coldest hourly airport report of the local day (what the high means).- For each forecast,
_highand_low: GateWeather, WT-1 alone, ECMWF IFS and AIFS, NOAA GFS, and at US airports GFS MOS and NAM MOS, each raw and corrected; same as today and normal for the date. - Corrected: the model's average error at that airport on earlier days removed, recent days weighted most, using only days measured by the issue.
in_global_table,in_us_table: the rows each table on Compare scores (112,874 and 34,459), where every forecast in it is present.
It holds forecasts and measurements only: not how our forecast is made.
Licence and credits
The table and our forecasts: CC BY 4.0, credit "GateWeather (gateweather.com)". The ECMWF columns are based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF), source www.ecmwf.int, CC BY 4.0; changes: interpolated to each airport and moved to its height, and, where marked, corrected. NOAA GFS and the MOS guidance (via the Iowa Environmental Mesonet) are public domain and presented as our own extraction, not as NOAA's. Measurements are derived from public airport reports (METAR).
Found a mistake? hello@gateweather.com.