National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-08-20 05:23 UTC
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000
CDUS41 KLWX 200524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT MON AUG 20 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 19 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 221 PM 95 2002 86 0 90
MINIMUM 59 1251 AM 52 1981 63 -4 72
AVERAGE 73 74 -1 81
PRECIPITATION (IN)
YESTERDAY 0.02 1.54 1967 0.12 -0.10 0.00
MONTH TO DATE 0.44 2.26 -1.82 1.19
SINCE JUN 1 5.11 9.90 -4.79 15.43
SINCE JAN 1 16.41 26.71 -10.30 26.94
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 8 10 -2 16
MONTH TO DATE 303 201 102 245
SINCE JUN 1 983 749 234 913
SINCE JAN 1 1134 824 310 995
..................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 1000 PM
LOWEST 51 200 PM
AVERAGE 66
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 104 1983
MINIMUM TEMPERATURE (F) 62 47 1976
SUNRISE AND SUNSET
AUGUST 20 2007........SUNRISE 628 AM EDT SUNSET 758 PM EDT
AUGUST 21 2007........SUNRISE 628 AM EDT SUNSET 757 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$