288
CDUS41 KLWX 040518
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
117 AM EDT FRI JUL 4 2008
...................................
..THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 3 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 90 401 PM 103 1966 86 4 79
MINIMUM 63 503 AM 50 1977 63 0 55
AVERAGE 77 75 2 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.66 1978 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.36 -0.36 0.00
SINCE JUN 1 4.21 4.43 -0.22 2.92
SINCE JAN 1 26.22 21.24 4.98 14.22
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 1 -1 0
SINCE JUN 1 0 22 -22 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 12 10 2 2
MONTH TO DATE 23 30 -7 14
SINCE JUN 1 313 233 80 305
SINCE JAN 1 364 308 56 456
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 27 400 PM
AVERAGE 53
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THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 2002
1999
MINIMUM TEMPERATURE (F) 63 48 1986
SUNRISE AND SUNSET
JULY 4 2008..........SUNRISE 550 AM EDT SUNSET 839 PM EDT
JULY 5 2008..........SUNRISE 550 AM EDT SUNSET 838 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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