National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-12-22 05:31 UTC
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000
CDUS41 KLWX 220532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1231 AM EST THU DEC 22 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 21 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 37 334 PM 60 1971 44 -7 45
MINIMUM 19 734 AM 4 1989 25 -6 17
AVERAGE 28 35 -7 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 1973 0.10 -0.10 0.00
MONTH TO DATE 2.14 2.10 0.04 1.70
SINCE DEC 1 2.14 2.10 0.04 1.70
SINCE JAN 1 43.77 40.83 2.94 37.40
SNOWFALL (IN)
YESTERDAY 0.0 5.8 1962 0.1 -0.1 0.0
MONTH TO DATE 5.7 1.2 4.5 T
SINCE DEC 1 5.7 1.2 4.5 T
SINCE JUL 1 6.0 2.1 3.9 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 37 30 7 34
MONTH TO DATE 709 573 136 535
SINCE DEC 1 709 573 136 535
SINCE JUL 1 1448 1550 -102 1340
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 14 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 700 AM
LOWEST 40 300 PM
AVERAGE 54
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 67 1984
MINIMUM TEMPERATURE (F) 25 2 1989
SUNRISE AND SUNSET
DECEMBER 22 2005......SUNRISE 725 AM EST SUNSET 452 PM EST
DECEMBER 23 2005......SUNRISE 726 AM EST SUNSET 452 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$