National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-01-17 05:32 UTC
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203
CDUS41 KLWX 170534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST SAT JAN 17 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 16 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 27 423 PM 65 1974 41 -14 28
MINIMUM 13 755 AM -4 1964 22 -9 12
AVERAGE 20 31 -11 20
PRECIPITATION (IN)
YESTERDAY 0.00 0.64 1991 0.10 -0.10 0.04
MONTH TO DATE 0.51 1.60 -1.09 2.51
SINCE DEC 1 5.08 4.67 0.41 6.12
SINCE JAN 1 0.51 1.60 -1.09 2.51
SNOWFALL (IN)
YESTERDAY 0.0 2.3 1965 0.3 -0.3 0.7
MONTH TO DATE 0.3 3.6 -3.3 4.5
SINCE DEC 1 11.7 5.8 5.9 12.7
SINCE JUL 1 11.7 6.7 5.0 12.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 45 33 12 45
MONTH TO DATE 511 525 -14 511
SINCE DEC 1 1402 1409 -7 1483
SINCE JUL 1 2228 2386 -158 2465
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 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 14.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 1200 AM
LOWEST 23 M300 PM
AVERAGE 39
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 70 1990
MINIMUM TEMPERATURE (F) 22 -7 1982
SUNRISE AND SUNSET
JANUARY 17 2004.......SUNRISE 726 AM EST SUNSET 513 PM EST
JANUARY 18 2004.......SUNRISE 726 AM EST SUNSET 514 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$