National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-12-20 05:30 UTC
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000
CDUS41 KLWX 200531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM EST TUE DEC 20 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 2005...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 39 120 PM 63 1967 45 -6 46
MINIMUM 24 1159 PM -2 1989 25 -1 17
AVERAGE 32 35 -3 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1995 0.10 -0.10 0.01
MONTH TO DATE 2.14 1.90 0.24 1.70
SINCE DEC 1 2.14 1.90 0.24 1.70
SINCE JAN 1 43.77 40.63 3.14 37.40
SNOWFALL (IN)
YESTERDAY 0.0 3.1 2000 0.1 -0.1 T
MONTH TO DATE 5.7 1.0 4.7 T
SINCE DEC 1 5.7 1.0 4.7 T
SINCE JUL 1 6.0 1.9 4.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 29 4 33
MONTH TO DATE 635 513 122 452
SINCE DEC 1 635 513 122 452
SINCE JUL 1 1374 1490 -116 1257
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1373 1075 298 1201
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 200 AM
LOWEST 38 400 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 64 1988
MINIMUM TEMPERATURE (F) 25 8 1991
SUNRISE AND SUNSET
DECEMBER 20 2005......SUNRISE 724 AM EST SUNSET 451 PM EST
DECEMBER 21 2005......SUNRISE 725 AM EST SUNSET 451 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$