National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-12-05 05:17 UTC
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000
CDUS41 KLWX 050518
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1217 AM EST WED DEC 5 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 4 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 39 202 PM 75 1998 50 -11 39
MINIMUM 25 1123 PM 10 1966 29 -4 24
AVERAGE 32 39 -7 32
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1993 0.10 -0.10 0.00
MONTH TO DATE 0.32 0.40 -0.08 0.02
SINCE DEC 1 0.32 0.40 -0.08 0.02
SINCE JAN 1 25.35 39.13 -13.78 44.26
SNOWFALL (IN)
YESTERDAY 0.0 T 0.0
MONTH TO DATE 0.0 T 0.0
SINCE JUL 1 0.0 0.9 -0.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 25 8 33
MONTH TO DATE 111 99 12 91
SINCE DEC 1 111 99 12 91
SINCE JUL 1 840 1076 -236 952
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 32 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 14.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 1000 PM
LOWEST 33 100 PM
AVERAGE 46
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 77 2001
MINIMUM TEMPERATURE (F) 29 12 1966
SUNRISE AND SUNSET
DECEMBER 5 2007......SUNRISE 713 AM EST SUNSET 447 PM EST
DECEMBER 6 2007......SUNRISE 714 AM EST SUNSET 447 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$