National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-05-11 05:31 UTC
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000
CDUS41 KLWX 110534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
131 AM EDT SAT MAY 11 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 10 2002...
CLIMATE NORMAL PERIOD 1971 TO 2000 SNOW/HEATING DEGREE DAYS 1961-1990
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 78 323 PM 90 1963 73 5 82
MINIMUM 57 1141 PM 31 1983 47 10 46
AVERAGE 68 60 8 64
PRECIPITATION (IN)
YESTERDAY 0.01 1.61 1990 0.13 -0.12 0.00
MONTH TO DATE 1.08 1.28 -0.20 0.03
SINCE MAR 1 8.01 8.05 -0.04 6.33
SINCE JAN 1 9.70 13.87 -4.17 10.54
SNOWFALL (IN)
YESTERDAY 0.0 MM MM MM MM MM
MONTH TO DATE 0.0 MM MM 0.0
SINCE MAR 1 0.0 MM MM 1.0
SINCE JUL 1 2.6 MM MM 12.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 1
MONTH TO DATE 53 68 -15 33
SINCE MAR 1 950 1113 -163 1085
SINCE JUL 1 3999 4927 -928 5018
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 11 10 1 25
SINCE MAR 1 66 25 41 51
SINCE JAN 1 66 25 41 51
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 33 300 PM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1993
MINIMUM TEMPERATURE (F) 48 29 1966
SUNRISE AND SUNSET
MAY 11 2002...........SUNRISE 601 AM EDT SUNSET 812 PM EDT
MAY 12 2002...........SUNRISE 600 AM EDT SUNSET 813 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.