National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-07-30 05:30 UTC
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515
CDUS41 KLWX 300533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
130 AM EDT TUE JUL 30 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 29 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 94 325 PM 97 1993 88 6 66
MINIMUM 74 532 AM 53 1978 64 10 60
AVERAGE 84 76 8 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.92 2001 0.11 -0.11 0.92
MONTH TO DATE 2.65 3.33 -0.68 4.16
SINCE JUN 1 6.26 7.40 -1.14 8.98
SINCE JAN 1 19.63 24.21 -4.58 25.39
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 2
MONTH TO DATE 0 1 -1 5
SINCE JUN 1 2 23 -21 18
SINCE JUL 1 0 1 -1 5
COOLING
YESTERDAY 19 11 8 0
MONTH TO DATE 353 312 41 222
SINCE JUN 1 590 512 78 468
SINCE JAN 1 718 587 131 535
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 100 AM
LOWEST 49 200 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 64 51 1981
SUNRISE AND SUNSET
JULY 30 2002..........SUNRISE 609 AM EDT SUNSET 823 PM EDT
JULY 31 2002..........SUNRISE 610 AM EDT SUNSET 822 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.