National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-01-21 05:32 UTC
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883
CDUS41 KLWX 210533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST WED JAN 21 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 20 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 29 137 PM 57 1991 41 -12 41
MINIMUM 20 1159 PM -7 1985 21 -1 24
AVERAGE 25 31 -6 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.01 1979 0.10 -0.10 0.00
MONTH TO DATE 0.85 2.00 -1.15 2.51
SINCE DEC 1 5.42 5.07 0.35 6.12
SINCE JAN 1 0.85 2.00 -1.15 2.51
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1975 0.3 -0.3 0.0
MONTH TO DATE 0.4 4.8 -4.4 4.5
SINCE DEC 1 11.8 7.0 4.8 12.7
SINCE JUL 1 11.8 7.9 3.9 12.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 40 34 6 32
MONTH TO DATE 661 661 0 680
SINCE DEC 1 1552 1545 7 1652
SINCE JUL 1 2378 2522 -144 2634
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 (320)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.8
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 57 1200 AM
LOWEST 34 M200 PM
AVERAGE 46
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 59 1990
MINIMUM TEMPERATURE (F) 21 -16 1984
SUNRISE AND SUNSET
JANUARY 21 2004.......SUNRISE 725 AM EST SUNSET 518 PM EST
JANUARY 22 2004.......SUNRISE 724 AM EST SUNSET 519 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$