Maryland State Climatologist Office
Department of Atmospheric & Oceanic Science
Welcome
The Maryland State Climatologist Office (MDSCO) resides in the Department of Atmospheric and Oceanic Science at the University of Maryland; it was established in the 1980s. Its mission is to 1) provide climate information services including data; 2) develop analyses and products to educate Marylanders on current and emerging climate; 3) place extreme events in historical perspective; and 4) support the Maryland Mesonet Project.
Check for Hazardous Weather from the National Weather Service
West of the Bay, Eastern Shore & Southern MD
Alerts & Radar
Winter Safety
Winter Preparedness Tips
West of the Bay, Eastern Shore & Southern MD
Alerts & Radar
Winter Safety
Winter Preparedness Tips
Precipitation Departures in October 2025
(Map source: Northeast Regional Climate Center | Departures from the 1991-2020 Climatology)
Precipitation as Percentage of Climatology in October 2025
(Map source: Northeast Regional Climate Center | Departures from the 1991-2020 Climatology)
Streamflow Class Anomalies in October 2025
(Data source: USGS's Water Watch | Departures from long-term mean)
Mean Air Temperature Departures in October 2025
(Map source: Northeast Regional Climate Center | Departures from the 1991-2020 Climatology)
Sea Surface Temperature Departures in October 2025
(Data source: NOAA's CoastWatch East Coast Node | Departures from the 2007-2020 Mean)
Maryland Climate Bulletin: October 2025