National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-12-18 05:37 UTC
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011
CDUS41 KLWX 180542
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
1237 AM EST WED DEC 18 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 17 2002...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2002
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 37 153 PM 70 1984 45 -8 58
MINIMUM 25 749 AM 3 1989 26 -1 41
AVERAGE 31 35 -4 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 2000 0.10 -0.10 0.10
MONTH TO DATE 2.31 1.70 0.61 1.24
SINCE DEC 1 2.31 1.70 0.61 1.24
SINCE JAN 1 36.88 40.43 -3.55 36.88
SNOWFALL (IN)
YESTERDAY 0.0 4.3 1973 0.1 -0.1 0.0
MONTH TO DATE 6.2 0.8 5.4 0.0
SINCE DEC 1 6.2 0.8 5.4 0.0
SINCE JUL 1 6.2 1.7 4.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 34 29 5 15
MONTH TO DATE 591 455 136 287
SINCE DEC 1 591 455 136 287
SINCE JUL 1 1573 1432 141 1090
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1345 1075 270 1032
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 200 AM
LOWEST 47 300 PM
AVERAGE 61
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 69 1984
MINIMUM TEMPERATURE (F) 25 3 1989
SUNRISE AND SUNSET
DECEMBER 18 2002......SUNRISE 723 AM EST SUNSET 450 PM EST
DECEMBER 19 2002......SUNRISE 724 AM EST SUNSET 450 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.