September Recap: Dry with Typical Temps
* Shower Threat on Saturday: Full Forecast | Redskins Forecast *
The National Weather Service Office in Sterling, Va. has issued its monthly summaries for our region's major reporting stations. They tell us not much out of the ordinary occurred last month, though as we've mentioned, we're running a bit of a rainfall deficit, especially west of town...
NATIONAL AIRPORT (DCA)
THE AVERAGE MONTHLY TEMPERATURE WAS NEAR NORMAL...ONLY THE THIRD SEPTEMBER SINCE 2001 WHERE THE AVERAGE TEMPERATURE WAS NEAR OR BELOW AVERAGE. WASHINGTON DC DID NOT REACH 90F DURING THE ENTIRE MONTH...THE FIRST SEPTEMBER SINCE 2006 THAT DID NOT HIT 90F.
RAINFALL FOR THE MONTH WAS SLIGHTLY BELOW NORMAL. DCA HAS MEASURED DRIER THAN NORMAL PRECIPITATION EVERY MONTH SINCE SEPTEMBER 2008...EXCEPT FOR THE WETTER THAN NORMAL SPRING MONTHS OF APRIL-MAY-JUNE OF 2009. HALF OF THE MONTHLY SEPTEMBER RAINFALL OCCURRED WITH AN EARLY FALL STORM SYSTEM THAT BROUGHT 1.63 INCHES OF RAIN DURING A 24-HOUR PERIOD FROM THE 26-27TH.
Keep reading for the Dulles Airport (IAD) summary...
DULLES AIRPORT (IAD)
TEMPERATURES WERE ABOVE NORMAL...MAINLY DUE TO THE LOW TEMPERATURE BEING WELL ABOVE NORMAL. THE HIGH TEMPERATURE DID NOT REACH 90F DURING THE ENTIRE MONTH...THE FIRST SEPTEMBER SINCE 2006 NOT TO SEE 90F AT DULLES.
RAINFALL FOR SEPTEMBER WAS WELL BELOW NORMAL...TOTALING NEARLY HALF OF THE NORMAL MONTHLY RAINFALL. AN EARLY FALL STORM SYSTEM BROUGHT 1.10 INCHES OF RAINFALL DURING THE 24-HOUR PERIOD FROM THE 26-27TH...WHICH ACCOUNTED FOR ABOUT THREE-FIFTHS OF THE MONTHLY RAINFALL. DULLES HAS REPORTED DRIER THAN NORMAL CONDITIONS EVERY MONTH SINCE SEPTEMBER 2008...EXCLUDING THE THE WETTER THAN NORMAL SPRING MONTHS OF APRIL-MAY-JUNE OF 2009.
By Jason Samenow |
October 2, 2009; 1:30 PM ET
Local Climate
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Next: PM Update: A Few Showers Before Sunny Sunday
Posted by: CapitalClimate | October 2, 2009 2:47 PM
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September was not SO dry that the much-needed-rain crowd has, on a couple of occasions, timed a significant rain event to coincide with a big outdoor or outdoor-commute event om my calendar. Would prefer that these big rain events came at a time I didn't have to go out in it!
Posted by: Bombo47jea | October 3, 2009 11:58 AM
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September precipitation was the nearest normal all year at National.