National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-07-31 05:30 UTC
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848
CDUS41 KLWX 310533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
130 AM EDT WED JUL 31 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 30 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 91 418 PM 98 1988 88 3 77
MINIMUM 71 525 AM 51 1981 64 7 65
AVERAGE 81 76 5 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.66 1970 0.12 -0.12 0.04
MONTH TO DATE 2.65 3.45 -0.80 4.20
SINCE JUN 1 6.26 7.52 -1.26 9.02
SINCE JAN 1 19.63 24.33 -4.70 25.43
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 5
SINCE JUN 1 2 23 -21 18
SINCE JUL 1 0 1 -1 5
COOLING
YESTERDAY 16 11 5 6
MONTH TO DATE 369 323 46 228
SINCE JUN 1 606 523 83 474
SINCE JAN 1 734 598 136 541
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1200 AM
LOWEST 47 100 PM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1999
MINIMUM TEMPERATURE (F) 64 50 1997
SUNRISE AND SUNSET
JULY 31 2002..........SUNRISE 610 AM EDT SUNSET 822 PM EDT
AUGUST 1 2002........SUNRISE 611 AM EDT SUNSET 821 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.