Historical Weather Data

History On Demand

• API Only
• Begins July 1, 2011 as Reanalysis data on a 23 km global grid.
• July 1, 2015 it became Conditions data on a 4 km global grid.
• 1 API call returns 24 record lines of data.
• Each line is one hour in a day for a single location.

Documentation

• Sample
• API – HoD
• Brief

Cleaned Historical 

• Bulk File delivery or API
• Begins January 1, 1979 as a 30 km global grid.
• 1 API call returns 7 days of data. 53 calls for a year.

Documentation

• Sample
• API – Cleaned Historical

Enhanced Current Conditions

• Includes history, current conditions, and map imaging
• Updated Hourly:
  • Past 30 Day Daily Summary
  • Past 24 Hour Summary
• Personal Weather Station (PWS):
  • Updated as often as 5 minutes
  • Daily Summary – 7 Day History
  • 1 Day – Rapid History
  • 7 Day – Hourly History

Documentation

• Package Details
• API – ECC