The Office of the State Climatologist is the state repository for climate information.  We provide climatic data to Maryland state businesses, agencies, students, researchers, and citizens.  We maintain links with many cooperative observers in the state, the National Climatic Data Center (NCDC), National Weather Service Offices, National Oceanic and Atmospheric Administration (NOAA), and many other sources of weather and climate information.  For climate data, please contact us and submit a data request.

Our Mission
The functions of the State Climatologist and its office include:  

  • Act as a laison between Maryland weather users and the 
    National Climatic Data Center (NCDC)
  • Maintain a data bank of climatological, hydrological, and 
    meteorological information
  • Supply data in a useful form to users
  • Refer requests for complex data or information by the user to
    the appropriate person, agency, or consulting firm
  • Maintain contact with users of climatic and hydrological data
    to ascertain their needs for data and analysis
  • Study the climate of Maryland, climate change, and perform 
    extensive research in these areas

The Maryland State Climatologist Office is located in and maintained by the University of Maryland, College Park, Department of Atmospheric and Oceanic Science.


The Maryland State Climatologist Office welcomes data requests and any questions or concerns you may have about our services.  You may contact us 24 hours a day, 7 days a week via telephone or e-mail.  If we are not in the office at the time of your call, we will get back to you as soon as we can.  Please contact us using the information below, or fill out our Data Request Form by clicking on the 'Data' link under the 'Climate Data' heading.  Thank you for letting us assist you in collecting climate data.

Whenever possible, please use email as it is the prefered method of communication to our office. It also allows us to have a record of data requests.

Phone: (301) 405-7223
E-Mail: climate@atmos.umd.edu

Click here for directions to our office.

Computer and Space Sciences Building
University of MarylandCollege Park 20742
Phone: (301) 405-7223
Fax: (301) 314-9482