But for the extreme weather that book-ended June, summer rainfall has been scant, continuing a trend that goes back to the start of 2012.
The tornado-spawning storms that struck the region June 1 dropped 1.55 inches of rain, as measured at BWI Marshall Airport, while the derecho packing 70 mph winds brought 0.51 inches of rain to BWI. (In some parts of the state, rainfall was much higher, though -- the derecho, for example, dropped 1.5 to 2 inches along Interstate 70 in Howard County and along Interstate 695 near Towson).
Passing storms July 2-3 brought 0.04 inches plus a trace of rain to the airport, and Monday's rainy start brought another 0.33 inches so far this month. July is 0.73 inches behind schedule on rain through Tuesday. Normal rainfall for the month is 4.07 inches.
The stretch of months with below-normal precipitation goes back to January. For the year to date, the 13.75 inches measured at BWI are about 8 inches below normal. Before that, September and August of last year were a combined 16 inches above normal.
The dry weather has again placed much of Maryland in drought conditions, according to the U.S. Drought Monitor. Southern parts of Baltimore city and county and Howard County, Anne Arundel County, and most of the Eastern Shore are in a moderate drought as of July 3. Parts of Baltimore, Harford, Carroll and Howard counties are considered "abnormally dry."
The Maryland Department of the Environment's drought status hasn't been updated since May 31; it places rural Central Maryland and all of Eastern and Western Maryland under a drought watch. The suburban Baltimore and Washington areas remain under normal conditions.
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Aside from derecho, tornadic storm, summer rainfall scant
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