341
CDUS41 KLWX 300519
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
118 AM EDT SAT AUG 30 2008
...................................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 2008
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)
YESTERDAY
MAXIMUM 73 500 PM 98 1991 84 -11 86
MINIMUM 66 500 AM 38 1982 61 5 69
AVERAGE 70 72 -2 78
PRECIPITATION (IN)
YESTERDAY 0.68 1.17 1963 0.13 0.55 0.00
MONTH TO DATE 2.48 3.52 -1.04 1.67
SINCE JUN 1 8.87 11.16 -2.29 6.34
SINCE JAN 1 30.88 27.97 2.91 17.64
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 22 -22 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 5 8 -3 13
MONTH TO DATE 257 287 -30 406
SINCE JUN 1 922 835 87 1086
SINCE JAN 1 973 910 63 1237
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 900 AM
LOWEST 78 1200 AM
AVERAGE 89
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1991
MINIMUM TEMPERATURE (F) 61 41 1986
SUNRISE AND SUNSET
AUGUST 30 2008........SUNRISE 637 AM EDT SUNSET 743 PM EDT
AUGUST 31 2008........SUNRISE 638 AM EDT SUNSET 741 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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