National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-08-21 05:28 UTC
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383
CDUS41 KLWX 210531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
128 AM EDT WED AUG 21 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 20 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 92 244 PM 104 1983 85 7 84
MINIMUM 74 620 AM 47 1976 62 12 67
AVERAGE 83 74 9 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.17 1963 0.12 -0.12 0.24
MONTH TO DATE 0.36 2.38 -2.02 2.71
SINCE JUN 1 6.62 10.02 -3.40 11.73
SINCE JAN 1 19.99 26.83 -6.84 28.14
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 0 0 0
SINCE JUN 1 2 22 -20 18
SINCE JUL 1 0 1 -1 5
COOLING
YESTERDAY 18 9 9 11
MONTH TO DATE 310 210 100 256
SINCE JUN 1 933 758 175 737
SINCE JAN 1 1061 833 228 804
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 36 200 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 93 1968
MINIMUM TEMPERATURE (F) 62 47 1976
SUNRISE AND SUNSET
AUGUST 21 2002........SUNRISE 629 AM EDT SUNSET 757 PM EDT
AUGUST 22 2002........SUNRISE 630 AM EDT SUNSET 755 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.