National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-07-21 05:23 UTC
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000
CDUS41 KLWX 210524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SAT JUL 21 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 20 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 85 232 PM 101 1980 88 -3 89
MINIMUM 63 1145 PM 55 1974 64 -1 71
AVERAGE 74 76 -2 80
PRECIPITATION (IN)
YESTERDAY 0.00 2.28 1970 0.11 -0.11 0.00
MONTH TO DATE 0.84 2.34 -1.50 2.19
SINCE JUN 1 3.76 6.41 -2.65 13.98
SINCE JAN 1 15.06 23.22 -8.16 25.49
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 1 -1 0
SINCE JUN 1 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 9 12 -3 15
MONTH TO DATE 244 215 29 261
SINCE JUN 1 535 418 117 500
SINCE JAN 1 686 493 193 582
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 200 AM
LOWEST 29 300 PM
AVERAGE 54
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1991
MINIMUM TEMPERATURE (F) 65 48 1966
SUNRISE AND SUNSET
JULY 21 2007..........SUNRISE 601 AM EDT SUNSET 831 PM EDT
JULY 22 2007..........SUNRISE 602 AM EDT SUNSET 830 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$