National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-07-17 05:32 UTC
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436
CDUS41 KLWX 170535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
132 AM EDT WED JUL 17 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 16 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 91 527 PM 104 1988 88 3 87
MINIMUM 64 434 AM 57 1991 64 0 58
AVERAGE 78 76 2 73
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1989 0.11 -0.11 0.00
MONTH TO DATE 1.65 1.90 -0.25 2.99
SINCE JUN 1 5.26 5.97 -0.71 7.81
SINCE JAN 1 18.63 22.78 -4.15 24.22
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 1 -1 3
SINCE JUN 1 2 23 -21 16
SINCE JUL 1 0 1 -1 3
COOLING
YESTERDAY 13 11 2 8
MONTH TO DATE 177 169 8 109
SINCE JUN 1 414 369 45 355
SINCE JAN 1 542 444 98 422
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 1200 AM
LOWEST 34 600 PM
AVERAGE 58
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 1997
MINIMUM TEMPERATURE (F) 64 55 1976
SUNRISE AND SUNSET
JULY 17 2002..........SUNRISE 558 AM EDT SUNSET 833 PM EDT
JULY 18 2002..........SUNRISE 559 AM EDT SUNSET 833 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.