Maryland State Climatologist Office

Maryland Climate Monitoring Suite

Welcome to the Maryland Regional Climate Monitoring portal.

The Maryland State Climatologist Office provides comprehensive, near real-time daily and monthly analyses to track the state's climate health. This portal serves as a central hub for the analyzis of both near real-time daily weather fluctuations and the monthly occurrence of extremes via the analysis of NCEI's surface air temperatures and precipitation. These tools provide the historical context necessary to understand current atmospheric conditions across the diverse regions of Maryland.

Daily Variability &
Historical Extremes

View the last 30 days of temperature and precipitation compared against the current 1991-2020 daily normals and standard deviations.

  • Daily Historical Record Highs & Lows
  • ±1 and ±2 Standard Deviation Bands
  • Highs & Lows in the most recent 30-day period
  • Historical "cloud" in the current 30-day window from 1951 to the present,
View Daily Tracker

Monthly Extremes &
Ag-Climate Indicators

Track the frequency of extreme weather events and threshold exceedances across Maryland and the evolution of Agricultural climate-related indicators.

  • Heatwaves & Cold Spells
  • Heavy Rain and Dry Spells Frequency
  • Degree Days
  • Growing Season & Vegetation Period
View Monthly Extremes