National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-30 05:25 UTC
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490
CDUS41 KLWX 300525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT WED AUG 30 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 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 67 223 PM 98 1991 85 -18 94
MINIMUM 61 748 AM 38 1982 62 -1 66
AVERAGE 64 74 -10 80
PRECIPITATION (IN)
YESTERDAY 0.71 1.17 1963 0.10 0.61 0.00
MONTH TO DATE 3.83 3.32 0.51 0.94
SINCE JUN 1 13.91 10.97 2.94 10.31
SINCE JAN 1 33.00 27.79 5.21 27.98
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 1 0 1 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 7 15 -8 3
SINCE JUL 1 1 0 1 0
COOLING
YESTERDAY 0 9 -9 15
MONTH TO DATE 254 305 -51 426
SINCE JUN 1 913 905 8 1138
SINCE JAN 1 1050 997 53 1236
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 78 1200 AM
AVERAGE 89
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1991
MINIMUM TEMPERATURE (F) 62 41 1986
SUNRISE AND SUNSET
AUGUST 30 2017........SUNRISE 637 AM EDT SUNSET 743 PM EDT
AUGUST 31 2017........SUNRISE 638 AM EDT SUNSET 741 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$