002
CDUS41 KLWX 210525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT THU JUN 21 2012
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 20 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 94 332 PM 97 1964 85 9 78
MINIMUM 69 530 AM 48 2000 63 6 67
AVERAGE 82 74 8 73
PRECIPITATION (IN)
YESTERDAY 0.00 1.20 1963 0.12 -0.12 0.43
MONTH TO DATE 1.33 2.71 -1.38 1.23
SINCE JUN 1 1.33 2.71 -1.38 1.23
SINCE JAN 1 14.14 19.53 -5.39 18.87
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 0 0 0
MONTH TO DATE 9 13 -4 0
SINCE JUN 1 9 13 -4 0
SINCE JUL 1 3770 4715 -945 4659
COOLING
YESTERDAY 17 9 8 8
MONTH TO DATE 99 137 -38 192
SINCE JUN 1 99 137 -38 192
SINCE JAN 1 273 229 44 358
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 39 300 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 1988
MINIMUM TEMPERATURE (F) 63 49 1992
SUNRISE AND SUNSET
JUNE 21 2012..........SUNRISE 545 AM EDT SUNSET 839 PM EDT
JUNE 22 2012..........SUNRISE 545 AM EDT SUNSET 839 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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