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File Naming

Segments are joined by underscores:

weatherforecast_{lon}_{lat}_{yyyyMMddHH}.csv
PlaceholderMeaningExample
lonSite longitude, east positive, 5 decimal places102.95839
latSite latitude, north positive, 5 decimal places36.35208
yyyyMMddHHIssue time (UTC), to the hour2026082712, i.e. 2026-08-27 12:00 UTC

Full example: weatherforecast_102.95839-36.35208_2026082712.csv

Full delivery, no increments

Each model run generates a new file. A run's file is a full delivery with no incremental appends; when a newer run arrives it should fully replace the older run's data to avoid mixing issue times.

WeatherFine Data · Site-level NWP data service