National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-06 05:27 UTC
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556
CDUS41 KLWX 060529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SUN AUG 6 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 5 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 429 PM 99 1995 88 -9 80
MINIMUM 62 1151 PM 54 1992 65 -3 68
1985
AVERAGE 71 76 -5 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.78 1990 0.13 -0.13 0.00
MONTH TO DATE 0.09 0.62 -0.53 0.00
SINCE JUN 1 10.17 8.27 1.90 9.37
SINCE JAN 1 29.26 25.09 4.17 27.04
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 T 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 6 15 -9 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 6 11 -5 9
MONTH TO DATE 56 56 0 59
SINCE JUN 1 715 656 59 771
SINCE JAN 1 852 748 104 869
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 200 AM
LOWEST 40 200 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 96 2007
1977
MINIMUM TEMPERATURE (F) 65 50 1966
SUNRISE AND SUNSET
AUGUST 6 2017........SUNRISE 615 AM EDT SUNSET 815 PM EDT
AUGUST 7 2017........SUNRISE 616 AM EDT SUNSET 814 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$