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May 18, 2017 Rainfall so far in May has been abundant averaging mostly 1 to 3 inches above normal. Temperatures have been normal plus or minus a degree or two. Over the past 90 days, precipitation has been about normal plus or minus 1 to 2 inches. Over the past 6 months, the driest areas have been around the middle Chesapeake Bay region and are running 3 to 5 inches below average.

Current (May 18) streamflow data from the U.S. Geological Survey shows that streamflows are near or above normal. Groundwater levels are averaging near normal.

The state of Maryland has a "Drought Warning" in effect for central parts of the state and a "Drought Watch" in effect for eastern parts of the state. . The state of Virginia has a "Drought Watch" in effect for northern parts of the state.

The weather outlook through the end of May calls for near average rainfall to start the period but above average rainfall afterwards. Temperatures are expected to start off above or much above normal but cool to below normal. The NWS Climate Prediction Center's 30 day outlook for June as well as the 90 outlook for June through August calls for near average precipitation and above average temperatures.

The outlook for water resources and water supplies is good for western Maryland, the eastern panhandle of West Virginia, and western Virginia. The outlook remains fair for the remainder of the southern parts of the MARFC service area. Recent rainfall has led to improvement, but further improvement will only be possible in the upcoming weeks if near or above average rain continues. Afterwards, change will be slow to occur during the summer months.


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Current Hydrologic Conditions

U.S. Geological Survey Real Time Data

Advanced Hydrologic Prediction Service (AHPS)

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Drought Information