National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-02-20 05:30 UTC
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587
CDUS41 KLWX 200532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM EST THU FEB 20 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 19 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 42 420 PM 71 1997 47 -5 59
MINIMUM 15 641 AM 7 1979 25 -10 16
AVERAGE 29 36 -7 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.34 1972 0.10 -0.10 0.00
MONTH TO DATE 2.70 1.85 0.85 0.30
SINCE DEC 1 9.00 7.97 1.03 3.08
SINCE JAN 1 5.39 4.90 0.49 1.52
SNOWFALL (IN)
YESTERDAY 0.0 13.8 1979 0.2 -0.2 0.0
MONTH TO DATE 28.5 4.4 24.1 T
SINCE DEC 1 41.8 14.7 27.1 2.6
SINCE JUL 1 41.8 15.6 26.2 2.6
SNOW DEPTH 16
DEGREE DAYS
HEATING
YESTERDAY 36 29 7 27
MONTH TO DATE 665 595 70 524
SINCE DEC 1 2764 2504 260 2046
SINCE JUL 1 3746 3481 265 2849
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 9 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 1.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 57 300 PM
AVERAGE 77
..........................................................
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 2003......SUNRISE 655 AM EST SUNSET 552 PM EST
FEBRUARY 21 2003......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.