553
CDUS41 KLWX 302136
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
536 PM EDT WED MAY 30 2012
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 30 2012
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 359 PM 95 2006 79 4 93
1991
1987
MINIMUM 65 614 AM 38 1996 56 9 70
AVERAGE 74 67 7 82
PRECIPITATION (IN)
TODAY 0.00 1.33 1971 0.15 -0.15 0.00
MONTH TO DATE 5.38 4.40 0.98 3.28
SINCE MAR 1 8.72 11.25 -2.53 13.56
SINCE JAN 1 12.81 16.67 -3.86 17.64
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 3.7 22.0 -18.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 32 129 -97 74
SINCE MAR 1 707 1111 -404 980
SINCE JUL 1 3761 4701 -940 4659
COOLING
TODAY 9 4 5 17
MONTH TO DATE 137 68 69 105
SINCE MAR 1 165 88 77 150
SINCE JAN 1 165 88 77 150
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 31 400 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 2011
1991
MINIMUM TEMPERATURE (F) 56 37 1984
SUNRISE AND SUNSET
MAY 30 2012...........SUNRISE 547 AM EDT SUNSET 828 PM EDT
MAY 31 2012...........SUNRISE 546 AM EDT SUNSET 829 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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