National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-09 05:28 UTC
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317
CDUS41 KLWX 090529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SUN JUL 9 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 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 87 333 PM 101 2012 88 -1 89
MINIMUM 66 528 AM 48 1984 65 1 70
1983
AVERAGE 77 77 0 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.96 2005 0.12 -0.12 0.03
MONTH TO DATE 3.15 0.96 2.19 0.94
SINCE JUN 1 4.43 4.94 -0.51 7.29
SINCE JAN 1 23.52 21.76 1.76 24.96
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 12 12 0 15
MONTH TO DATE 107 91 16 91
SINCE JUN 1 363 328 35 344
SINCE JAN 1 500 420 80 442
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 40 400 PM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1993
1988
MINIMUM TEMPERATURE (F) 66 48 1984
SUNRISE AND SUNSET
JULY 9 2017..........SUNRISE 553 AM EDT SUNSET 837 PM EDT
JULY 10 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.
$$