National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-09-27 05:26 UTC
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836
CDUS41 KLWX 270526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED SEP 27 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 26 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 85 256 PM 93 2007 75 10 68
MINIMUM 66 416 AM 38 1983 52 14 58
1964
AVERAGE 76 64 12 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.15 1975 0.13 -0.13 0.03
MONTH TO DATE 1.75 3.39 -1.64 0.43
SINCE SEP 1 1.75 3.39 -1.64 0.43
SINCE JAN 1 34.75 31.39 3.36 28.43
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 4 -4 2
MONTH TO DATE 30 37 -7 3
SINCE SEP 1 30 37 -7 3
SINCE JUL 1 31 39 -8 3
COOLING
YESTERDAY 11 2 9 0
MONTH TO DATE 135 133 2 252
SINCE SEP 1 135 133 2 252
SINCE JAN 1 1196 1149 47 1515
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.4
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 100 600 AM
LOWEST 55 300 PM
AVERAGE 78
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 96 1998
MINIMUM TEMPERATURE (F) 51 35 1984
SUNRISE AND SUNSET
SEPTEMBER 27 2017.....SUNRISE 702 AM EDT SUNSET 658 PM EDT
SEPTEMBER 28 2017.....SUNRISE 703 AM EDT SUNSET 657 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$