National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-09-20 05:30 UTC
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979
CDUS41 KLWX 200533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
130 AM EDT FRI SEP 20 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 19 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 82 220 PM 93 1978 78 4 81
MINIMUM 66 533 AM 36 1984 55 11 52
AVERAGE 74 66 8 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 2000 0.13 -0.13 0.00
MONTH TO DATE 0.50 2.47 -1.97 0.15
SINCE SEP 1 0.50 2.47 -1.97 0.15
SINCE JAN 1 23.05 30.70 -7.65 30.13
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 2 -2 0
MONTH TO DATE 4 18 -14 20
SINCE SEP 1 4 18 -14 20
SINCE JUL 1 7 23 -16 25
COOLING
YESTERDAY 9 4 5 2
MONTH TO DATE 106 102 4 69
SINCE SEP 1 106 102 4 69
SINCE JAN 1 1269 1027 242 983
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 51 300 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 91 1965
MINIMUM TEMPERATURE (F) 54 40 1979
SUNRISE AND SUNSET
SEPTEMBER 20 2002.....SUNRISE 656 AM EDT SUNSET 710 PM EDT
SEPTEMBER 21 2002.....SUNRISE 656 AM EDT SUNSET 709 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.