National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-09-09 05:21 UTC
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889
CDUS41 KLWX 090522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT SAT SEP 9 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 8 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 76 203 PM 96 2016 82 -6 96
MINIMUM 48 601 AM 43 1984 60 -12 72
AVERAGE 62 71 -9 84
PRECIPITATION (IN)
YESTERDAY 0.00 3.56 1987 0.12 -0.12 0.00
MONTH TO DATE 1.63 0.94 0.69 0.17
SINCE SEP 1 1.63 0.94 0.69 0.17
SINCE JAN 1 34.63 28.94 5.69 28.17
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 3 1 2 0
MONTH TO DATE 17 1 16 0
SINCE SEP 1 17 1 16 0
SINCE JUL 1 18 3 15 0
COOLING
YESTERDAY 0 6 -6 19
MONTH TO DATE 19 59 -40 84
SINCE SEP 1 19 59 -40 84
SINCE JAN 1 1080 1075 5 1347
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.3
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 100 200 AM
LOWEST 41 300 PM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 2016
MINIMUM TEMPERATURE (F) 59 40 1986
SUNRISE AND SUNSET
SEPTEMBER 9 2017.....SUNRISE 646 AM EDT SUNSET 727 PM EDT
SEPTEMBER 10 2017.....SUNRISE 647 AM EDT SUNSET 726 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$