National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-02-20 05:38 UTC
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000
CDUS41 KLWX 200540
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1238 AM EST TUE FEB 20 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 19 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 38 1159 PM 71 1997 47 -9 29
MINIMUM 10 701 AM 7 1979 25 -15 10
AVERAGE 24 36 -12 20
PRECIPITATION (IN)
YESTERDAY 0.00 1.34 1972 0.10 -0.10 0.00
MONTH TO DATE 1.45 1.85 -0.40 2.17
SINCE DEC 1 5.30 7.97 -2.67 7.50
SINCE JAN 1 3.56 4.90 -1.34 4.57
SNOWFALL (IN)
YESTERDAY 0.0 0.2 -0.2
MONTH TO DATE 5.2 4.4 0.8
SINCE AUG 1 6.8 15.6 -8.8
SINCE JUL 1 6.8 15.6 -8.8
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 41 29 12 45
MONTH TO DATE 775 595 180 532
SINCE DEC 1 2278 2504 -226 2218
SINCE JUL 1 3139 3481 -342 2957
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 700 AM
LOWEST 32 300 PM
AVERAGE 50
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 70 1971
MINIMUM TEMPERATURE (F) 25 -2 1979
SUNRISE AND SUNSET
FEBRUARY 20 2007......SUNRISE 655 AM EST SUNSET 552 PM EST
FEBRUARY 21 2007......SUNRISE 654 AM EST SUNSET 554 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$