National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-06-30 05:25 UTC
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839
CDUS41 KLWX 300525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT FRI JUN 30 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 29 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 89 255 PM 102 2012 87 2 81
MINIMUM 60 143 AM 47 1970 64 -4 60
AVERAGE 75 76 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.70 1975 0.12 -0.12 0.00
MONTH TO DATE 1.28 3.85 -2.57 6.35
SINCE JUN 1 1.28 3.85 -2.57 6.35
SINCE JAN 1 20.37 20.67 -0.30 24.02
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 6 13 -7 3
SINCE JUN 1 6 13 -7 3
SINCE JUL 1 3858 4715 -857 4039
COOLING
YESTERDAY 10 11 -1 6
MONTH TO DATE 240 227 13 248
SINCE JUN 1 240 227 13 248
SINCE JAN 1 377 319 58 346
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 600 AM
LOWEST 36 100 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 1964
MINIMUM TEMPERATURE (F) 65 51 1989
SUNRISE AND SUNSET
JUNE 30 2017..........SUNRISE 548 AM EDT SUNSET 839 PM EDT
JULY 1 2017..........SUNRISE 548 AM EDT SUNSET 839 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$