National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-12-11 05:19 UTC
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000
CDUS41 KLWX 110520
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1219 AM EST TUE DEC 11 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 10 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 340 PM 70 1966 47 1 60
MINIMUM 42 832 AM 4 1989 27 15 21
AVERAGE 45 37 8 41
PRECIPITATION (IN)
YESTERDAY 0.03 2.26 1992 0.10 -0.07 0.00
MONTH TO DATE 1.03 1.00 0.03 0.02
SINCE DEC 1 1.03 1.00 0.03 0.02
SINCE JAN 1 26.06 39.73 -13.67 44.26
SNOWFALL (IN)
YESTERDAY 0.0 0.1 -0.1
MONTH TO DATE 2.5 0.1 2.4
SINCE JUL 1 2.5 1.0 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 27 -7 24
MONTH TO DATE 296 258 38 279
SINCE DEC 1 296 258 38 279
SINCE JUL 1 1025 1235 -210 1140
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1593 1075 518 1256
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 AM
LOWEST 82 1000 AM
AVERAGE 89
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 71 1979
MINIMUM TEMPERATURE (F) 27 3 1968
SUNRISE AND SUNSET
DECEMBER 11 2007......SUNRISE 718 AM EST SUNSET 448 PM EST
DECEMBER 12 2007......SUNRISE 719 AM EST SUNSET 448 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$