National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-10-09 05:29 UTC
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474
CDUS41 KLWX 090529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT MON OCT 9 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 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 83 227 PM 92 2007 71 12 66
MINIMUM 73 740 AM 30 2001 46 27 62
AVERAGE 78 59 19 64
PRECIPITATION (IN)
YESTERDAY 0.09 2.79 2005 0.10 -0.01 0.20
MONTH TO DATE 0.09 0.84 -0.75 0.40
SINCE SEP 1 1.84 4.76 -2.92 2.95
SINCE JAN 1 34.84 32.76 2.08 30.95
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 7 -7 1
MONTH TO DATE 25 50 -25 14
SINCE SEP 1 65 106 -41 20
SINCE JUL 1 66 108 -42 20
COOLING
YESTERDAY 13 1 12 0
MONTH TO DATE 28 10 18 4
SINCE SEP 1 183 151 32 259
SINCE JAN 1 1244 1167 77 1522
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 AM
LOWEST 69 300 PM
AVERAGE 85
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 2007
MINIMUM TEMPERATURE (F) 46 26 2001
SUNRISE AND SUNSET
OCTOBER 9 2017.......SUNRISE 714 AM EDT SUNSET 640 PM EDT
OCTOBER 10 2017.......SUNRISE 715 AM EDT SUNSET 638 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$