Climatological Report (Daily) Issued by NWS Sterling, VA
000
CDUS41 KLWX 182128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT TUE JUN 18 2013
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 18 2013...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 359 PM 94 2007 85 -13 68
2006
MINIMUM 67 536 AM 45 1965 62 5 61
AVERAGE 70 73 -3 65
PRECIPITATION (IN)
TODAY 0.21 1.14 1991 0.13 0.08 0.12
MONTH TO DATE 4.08 2.46 1.62 1.33
SINCE JUN 1 4.08 2.46 1.62 1.33
SINCE JAN 1 18.07 19.28 -1.21 14.14
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 12.7 22.0 -9.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 13 -13 9
SINCE JUN 1 0 13 -13 9
SINCE JUL 1 4560 4715 -155 3770
COOLING
TODAY 5 9 -4 0
MONTH TO DATE 131 119 12 68
SINCE JUN 1 131 119 12 68
SINCE JAN 1 270 211 59 242
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 79 1200 AM
AVERAGE 86
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 1994
MINIMUM TEMPERATURE (F) 62 45 1986
SUNRISE AND SUNSET
JUNE 18 2013..........SUNRISE 544 AM EDT SUNSET 838 PM EDT
JUNE 19 2013..........SUNRISE 544 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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