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Current Advisories

Who We Are

For over 10 years, DEOS has been providing real-time environmental conditions for Delaware and the surrounding region. Today, DEOS operates and maintains over 50 environmental monitoring platforms and brings in data from over 200 additional environmental monitoring platforms throughout our region. These data are used for a number of purposes. From forecast model initialization to emergency planning to crop water requirements, DEOS monitoring and data services are utilized across many sectors.

Popular Products

DEOS GeoBrowser
The GeoBrowser is a tool that provides users a way to access DEOS data through a geographic framework. In the GeoBrowser, you can select stations to see current conditions and access daily and monthly summaries. You can also view the latest weather radar and warnings from the National Weather Service.
DEOS Snow Conditions Page
DEOS provides real-time snow depth data for 18 locations across Delaware. The data are provided at different timescales, so as to more useful to the multitude of user groups who rely on the snow data from our system.
DEOS Ag Environmental Data
Agriculture/Irrigation Summaries are generated for most stations in the DEOS network. Data types in this summary include reference evapotransipiration, growing degree days, soil temperature, and soil moisture.
DEOS Network Station Updates:

  • DBKB - Station is offline until relocation (12/5/13)
  • DPEP - Station is offline for winter maintenance (2/28/14)
Added 2/20/14

DEOS and the Delaware Environmental Monitoring and Analysis Center (DEMAC) seek an individual to assist with the development of web-based environmental data applications.

For more information or to apply, please go to
Data Requests
The preferred method for filling data requests is through our web services, which provide data in an XML neutral format. This is ideal for anyone with recurring data needs. To access our web services, go to the sign up page to get an account.

Other data requests, particularly one-time data requests, can be made via our feedback page and will be filled as time permits.

If you encounter problems using the web services, or if you have other data questions, go to our feedback page and send us a message.