142
CDUS41 KLWX 312126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT SUN AUG 31 2008
...................................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 31 2008
VALID TODAY AS OF 500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2008
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 352 PM 98 1991 83 4 88
MINIMUM 71 656 AM 43 1976 61 10 70
AVERAGE 79 72 7 79
PRECIPITATION (IN)
TODAY 0.00 3.21 1975 0.13 -0.13 0.00
MONTH TO DATE 2.48 3.78 -1.30 1.67
SINCE JUN 1 8.87 11.42 -2.55 6.34
SINCE JAN 1 30.88 28.23 2.65 17.64
SNOWFALL (IN)
TODAY 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 26 -26 3
SINCE JUL 1 0 5 -5 0
COOLING
TODAY 14 7 7 14
MONTH TO DATE 284 302 -18 434
SINCE JUN 1 949 850 99 1114
SINCE JAN 1 1000 925 75 1265
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1200 AM
LOWEST 23 200 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1980
MINIMUM TEMPERATURE (F) 60 49 1976
1970
SUNRISE AND SUNSET
AUGUST 31 2008........SUNRISE 638 AM EDT SUNSET 741 PM EDT
SEPTEMBER 1 2008.....SUNRISE 639 AM EDT SUNSET 739 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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