National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-01-22 05:41 UTC
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838
CDUS41 KLWX 220542
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1241 AM EST THU JAN 22 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 21 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 29 315 PM 59 1990 41 -12 31
MINIMUM 16 810 AM -16 1984 21 -5 19
AVERAGE 23 31 -8 25
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 1974 0.10 -0.10 T
MONTH TO DATE 0.85 2.10 -1.25 2.51
SINCE DEC 1 5.42 5.17 0.25 6.12
SINCE JAN 1 0.85 2.10 -1.25 2.51
SNOWFALL (IN)
YESTERDAY 0.0 3.2 2001 0.3 -0.3 T
MONTH TO DATE 0.4 5.1 -4.7 4.5
SINCE DEC 1 11.8 7.3 4.5 12.7
SINCE JUL 1 11.8 8.2 3.6 12.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 42 34 8 40
MONTH TO DATE 703 695 8 720
SINCE DEC 1 1594 1579 15 1692
SINCE JUL 1 2420 2556 -136 2674
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 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 M800 AM
LOWEST 34 M300 PM
AVERAGE 46
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 68 1986
MINIMUM TEMPERATURE (F) 21 -18 1984
SUNRISE AND SUNSET
JANUARY 22 2004.......SUNRISE 724 AM EST SUNSET 519 PM EST
JANUARY 23 2004.......SUNRISE 723 AM EST SUNSET 520 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$