National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-01-19 05:42 UTC
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015
CDUS41 KLWX 190544
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1242 AM EST MON JAN 19 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 18 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 37 520 PM 70 1990 41 -4 25
MINIMUM 26 1159 PM -1 1994 21 5 3
AVERAGE 32 31 1 14
PRECIPITATION (IN)
YESTERDAY 0.27 1.18 1980 0.10 0.17 0.00
MONTH TO DATE 0.85 1.80 -0.95 2.51
SINCE DEC 1 5.42 4.87 0.55 6.12
SINCE JAN 1 0.85 1.80 -0.95 2.51
SNOWFALL (IN)
YESTERDAY T 4.2 1984 0.3 -0.3 0.0
MONTH TO DATE 0.4 4.2 -3.8 4.5
SINCE DEC 1 11.8 6.4 5.4 12.7
SINCE JUL 1 11.8 7.3 4.5 12.7
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 33 34 -1 51
MONTH TO DATE 581 593 -12 606
SINCE DEC 1 1472 1477 -5 1578
SINCE JUL 1 2298 2454 -156 2560
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 22 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LT FREEZING RAIN
SLEET
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 M600 AM
LOWEST 50 1100 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 65 1972
MINIMUM TEMPERATURE (F) 21 -6 1994
SUNRISE AND SUNSET
JANUARY 19 2004.......SUNRISE 726 AM EST SUNSET 516 PM EST
JANUARY 20 2004.......SUNRISE 725 AM EST SUNSET 517 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$