National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-09-22 05:30 UTC
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048
CDUS41 KLWX 220533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT MON SEP 22 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 21 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 349 PM 92 1998 77 1 88
MINIMUM 64 656 AM 42 1991 54 10 68
AVERAGE 71 66 5 78
PRECIPITATION (IN)
YESTERDAY 0.00 2.59 1979 0.13 -0.13 0.00
MONTH TO DATE 4.55 2.73 1.82 0.50
SINCE SEP 1 4.55 2.73 1.82 0.50
SINCE JAN 1 48.60 30.96 17.64 23.05
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
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 3 -3 0
MONTH TO DATE 8 24 -16 4
SINCE SEP 1 8 24 -16 4
SINCE JUL 1 8 29 -21 7
COOLING
YESTERDAY 6 3 3 13
MONTH TO DATE 86 109 -23 129
SINCE SEP 1 86 109 -23 129
SINCE JAN 1 965 1034 -69 1292
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 60 100 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1980
MINIMUM TEMPERATURE (F) 53 38 1997
SUNRISE AND SUNSET
SEPTEMBER 22 2003.....SUNRISE 657 AM EDT SUNSET 707 PM EDT
SEPTEMBER 23 2003.....SUNRISE 658 AM EDT SUNSET 706 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.