National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-26 05:29 UTC
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308
CDUS41 KLWX 260530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT AUG 26 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 25 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 78 408 PM 97 2007 86 -8 91
1998
MINIMUM 61 422 AM 47 1971 63 -2 67
AVERAGE 70 74 -4 79
PRECIPITATION (IN)
YESTERDAY T 3.03 1999 0.11 -0.11 0.00
MONTH TO DATE 3.12 2.91 0.21 0.94
SINCE JUN 1 13.20 10.56 2.64 10.31
SINCE JAN 1 32.29 27.38 4.91 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 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 5 10 -5 14
MONTH TO DATE 248 269 -21 363
SINCE JUN 1 907 869 38 1075
SINCE JAN 1 1044 961 83 1173
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 48 400 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2016
1998
1993
MINIMUM TEMPERATURE (F) 63 48 1977
SUNRISE AND SUNSET
AUGUST 26 2017........SUNRISE 633 AM EDT SUNSET 749 PM EDT
AUGUST 27 2017........SUNRISE 634 AM EDT SUNSET 747 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$