National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2006-12-20 05:45 UTC
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000
CDUS41 KLWX 200546
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1245 AM EST WED DEC 20 2006
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 2006...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 51 309 PM 63 1967 45 6 39
MINIMUM 33 1157 PM -2 1989 25 8 24
AVERAGE 42 35 7 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1995 0.10 -0.10 0.00
MONTH TO DATE 0.16 1.90 -1.74 2.14
SINCE DEC 1 0.16 1.90 -1.74 2.14
SINCE JAN 1 44.40 40.63 3.77 43.77
SNOWFALL (IN)
YESTERDAY 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 29 -6 33
MONTH TO DATE 430 513 -83 635
SINCE DEC 1 430 513 -83 635
SINCE JUL 1 1291 1490 -199 1374
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1256 1075 181 1373
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 1000 PM
LOWEST 32 300 PM
AVERAGE 46
..........................................................
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 2006......SUNRISE 724 AM EST SUNSET 450 PM EST
DECEMBER 21 2006......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.
$$