National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-01-22 05:29 UTC
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570
CDUS41 KLWX 220531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST WED JAN 22 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 21 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 31 417 PM 59 1990 41 -10 47
MINIMUM 19 1159 PM -16 1984 21 -2 27
AVERAGE 25 31 -6 37
PRECIPITATION (IN)
YESTERDAY T 0.94 1974 0.10 -0.10 0.03
MONTH TO DATE 2.51 2.10 0.41 0.97
SINCE DEC 1 6.12 5.17 0.95 2.53
SINCE JAN 1 2.51 2.10 0.41 0.97
SNOWFALL (IN)
YESTERDAY T 3.2 2001 0.3 -0.3 0.0
MONTH TO DATE 4.5 5.1 -0.6 2.6
SINCE DEC 1 12.7 7.3 5.4 2.6
SINCE JUL 1 12.7 8.2 4.5 2.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 40 34 6 28
MONTH TO DATE 720 695 25 631
SINCE DEC 1 1692 1579 113 1357
SINCE JUL 1 2674 2556 118 2160
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 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1100 AM
LOWEST 37 600 PM
AVERAGE 61
..........................................................
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 2003.......SUNRISE 724 AM EST SUNSET 519 PM EST
JANUARY 23 2003.......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.