National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-12-20 05:34 UTC
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000
CDUS41 KLWX 200536
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1234 AM EST SAT DEC 20 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 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 34 300 PM 63 1967 45 -11 50
MINIMUM 24 513 AM -2 1989 25 -1 35
AVERAGE 29 35 -6 43
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 1977 0.10 -0.10 T
MONTH TO DATE 4.17 1.90 2.27 2.31
SINCE DEC 1 4.17 1.90 2.27 2.31
SINCE JAN 1 65.31 40.63 24.68 36.88
SNOWFALL (IN)
YESTERDAY 0.0 3.1 2000 0.1 -0.1 0.0
MONTH TO DATE 11.4 1.0 10.4 6.2
SINCE DEC 1 11.4 1.0 10.4 6.2
SINCE JUL 1 11.4 1.9 9.5 6.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 36 29 7 22
MONTH TO DATE 583 513 70 645
SINCE DEC 1 583 513 70 645
SINCE JUL 1 1409 1490 -81 1627
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 993 1075 -82 1345
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 M400 AM
LOWEST 58 M200 AM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 64 1988
MINIMUM TEMPERATURE (F) 25 8 1991
SUNRISE AND SUNSET
DECEMBER 20 2003......SUNRISE 724 AM EST SUNSET 450 PM EST
DECEMBER 21 2003......SUNRISE 725 AM EST SUNSET 451 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$