National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-08 05:29 UTC
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802
CDUS41 KLWX 080530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT JUL 8 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 7 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 88 539 PM 101 2012 88 0 90
2010
1988
MINIMUM 67 1135 PM 47 1970 65 2 72
AVERAGE 78 77 1 81
PRECIPITATION (IN)
YESTERDAY 0.10 1.59 2005 0.11 -0.01 0.00
MONTH TO DATE 3.15 0.84 2.31 0.91
SINCE JUN 1 4.43 4.82 -0.39 7.26
SINCE JAN 1 23.52 21.64 1.88 24.93
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 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 13 12 1 16
MONTH TO DATE 95 79 16 76
SINCE JUN 1 351 316 35 329
SINCE JAN 1 488 408 80 427
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 43 300 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 2012
MINIMUM TEMPERATURE (F) 65 48 1984
1983
SUNRISE AND SUNSET
JULY 8 2017..........SUNRISE 552 AM EDT SUNSET 838 PM EDT
JULY 9 2017..........SUNRISE 553 AM EDT SUNSET 837 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$