681
CDUS41 KLWX 150521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT SUN JUL 15 2012
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 14 2012
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)
YESTERDAY
MAXIMUM 87 506 PM 98 1993 88 -1 84
MINIMUM 68 609 AM 53 2009 66 2 60
AVERAGE 78 77 1 72
PRECIPITATION (IN)
YESTERDAY 0.10 1.56 2002 0.12 -0.02 0.00
MONTH TO DATE 0.57 1.66 -1.09 2.21
SINCE JUN 1 2.36 5.64 -3.28 3.61
SINCE JAN 1 15.17 22.46 -7.29 21.25
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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 9 15 -6 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 13 12 1 7
MONTH TO DATE 236 163 73 197
SINCE JUN 1 459 400 59 503
SINCE JAN 1 633 492 141 669
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 57 300 PM
AVERAGE 75
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1995
MINIMUM TEMPERATURE (F) 66 53 1987
1981
SUNRISE AND SUNSET
JULY 15 2012..........SUNRISE 557 AM EDT SUNSET 834 PM EDT
JULY 16 2012..........SUNRISE 558 AM EDT SUNSET 834 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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