1. Downloading Weather Observations
United States: National Climatic Data Center
Free access from government and educational domains. Some fees apply for access from other domains. No fee if you download data on campus.

2. To get a single station’s data (US Stations Only):
Data Section  digital ASCII files  Daily Surface Data
Your request will set up a query on the NCDC database system. You’ll get an when
the dataset is ready (for small datasets when NCDC is not busy this will be within seconds).

3. Email will contain several links:
1. Web Form

4. Email will contain several links:
2. CSV ASCII data

5. Email will contain several links:
3. Station Summary File
4. Summary of Data Availability

6. Downloading WMO Data
The World Meteorological Organization (WMO) Maintains a continually updated, consistently formatted database of global observations, the Global Summary of the Day(GSOD)
Available from the NCDC website, here:

7. Downloading WMO Data

8. Downloading WMO Data

9. Downloading WMO Data

10. WMO Alternative: FTP Access
ftp://ftp.ncdc.noaa.gov/pub/data/gsod/ Station ID numbers, names, Lat, Lon, elevation in file ish-history.txt Individual station files (zipped text format) organized in folders by year, filename given by station ID number.

11. Be Careful! Read the Dataset Documentation Check Units
Check for Missing Data
Observations available (eg. TMAX, Precip) vary among station