Climate Assessment Database (CADBv2)
Global Station Observation Summaries

Preliminary global station observation summary data
Final (more quality controlled) station data available at NCEI

CADBv2 data available starting January 1, 2020

Please see the Technical Notices link below for details on changes.
Latest change in notice: September 25, 2020

Technical Notices

Select a summary type and valid date, then click "Get Data" to get a link to download data

Update Schedule:

Daily: Daily at 8am EST or EDT
Weekly: Every Sunday at (1500 UTC) 10 am EST | 11 am EDT
Monthly: Every first of the month (1500 UTC) 10 am EST | 11 am EDT

Summary Type:

Additional Weekly Data – Cities Listing Tables

Additional Monthly Data – Cities Listing Tables


Archived weekly and monthly city data (wcty and mcty files)

Global station normals

About the CADB Data