National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-01-21 05:31 UTC
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408
CDUS41 KLWX 210535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1231 AM EST TUE JAN 21 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 20 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 41 1014 AM 57 1991 41 0 38
MINIMUM 24 1159 PM -7 1985 21 3 26
AVERAGE 33 31 2 32
PRECIPITATION (IN)
YESTERDAY 0.00 1.01 1979 0.10 -0.10 0.00
MONTH TO DATE 2.51 2.00 0.51 0.94
SINCE DEC 1 6.12 5.07 1.05 2.50
SINCE JAN 1 2.51 2.00 0.51 0.94
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1975 0.3 -0.3 0.0
MONTH TO DATE 4.5 4.8 -0.3 2.6
SINCE DEC 1 12.7 7.0 5.7 2.6
SINCE JUL 1 12.7 7.9 4.8 2.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 32 34 -2 33
MONTH TO DATE 680 661 19 603
SINCE DEC 1 1652 1545 107 1329
SINCE JUL 1 2634 2522 112 2132
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 1100 AM
LOWEST 37 1000 PM
AVERAGE 51
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 59 1990
MINIMUM TEMPERATURE (F) 21 -16 1984
SUNRISE AND SUNSET
JANUARY 21 2003.......SUNRISE 724 AM EST SUNSET 518 PM EST
JANUARY 22 2003.......SUNRISE 724 AM EST SUNSET 519 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.