National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-09-12 05:33 UTC
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424
CDUS41 KLWX 120537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
133 AM EDT THU SEP 12 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 11 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 79 143 PM 99 1983 80 -1 83
MINIMUM 61 1130 PM 40 1976 58 3 55
AVERAGE 70 69 1 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 1987 0.13 -0.13 0.00
MONTH TO DATE 0.39 1.43 -1.04 0.03
SINCE SEP 1 0.39 1.43 -1.04 0.03
SINCE JAN 1 22.94 29.66 -6.72 30.01
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 SEP 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 1 -1 0
MONTH TO DATE 2 5 -3 0
SINCE SEP 1 2 5 -3 0
SINCE JUL 1 5 10 -5 5
COOLING
YESTERDAY 5 5 0 4
MONTH TO DATE 60 67 -7 61
SINCE SEP 1 60 67 -7 61
SINCE JAN 1 1223 992 231 975
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1200 AM
LOWEST 30 300 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1998
MINIMUM TEMPERATURE (F) 57 40 1967
SUNRISE AND SUNSET
SEPTEMBER 12 2002.....SUNRISE 648 AM EDT SUNSET 723 PM EDT
SEPTEMBER 13 2002.....SUNRISE 649 AM EDT SUNSET 721 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.