National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-12-13 05:33 UTC
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000
CDUS41 KLWX 130534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1233 AM EST TUE DEC 13 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 12 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 1248 PM 72 1979 47 -10 49
MINIMUM 27 1157 PM 9 1988 27 0 39
AVERAGE 32 37 -5 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1964 0.10 -0.10 0.00
MONTH TO DATE 0.96 1.20 -0.24 1.69
SINCE DEC 1 0.96 1.20 -0.24 1.69
SINCE JAN 1 42.59 39.93 2.66 37.39
SNOWFALL (IN)
YESTERDAY 0.0 10.6 1982 0.1 -0.1 0.0
MONTH TO DATE 4.6 0.3 4.3 0.0
SINCE DEC 1 4.6 0.3 4.3 0.0
SINCE JUL 1 4.9 1.2 3.7 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 28 5 21
MONTH TO DATE 396 313 83 237
SINCE DEC 1 396 313 83 237
SINCE JUL 1 1135 1290 -155 1042
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 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 100 AM
LOWEST 47 300 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 71 1984
MINIMUM TEMPERATURE (F) 26 7 1988
SUNRISE AND SUNSET
DECEMBER 13 2005......SUNRISE 720 AM EST SUNSET 448 PM EST
DECEMBER 14 2005......SUNRISE 721 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.
$$