National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-06-20 05:28 UTC
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679
CDUS41 KLWX 200531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT TUE JUN 20 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 19 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 87 127 PM 98 1994 85 2 87
MINIMUM 70 1159 PM 45 1986 62 8 57
AVERAGE 79 74 5 72
PRECIPITATION (IN)
YESTERDAY 0.62 1.99 2003 0.13 0.49 0.00
MONTH TO DATE 0.86 2.59 -1.73 4.01
SINCE JUN 1 0.86 2.59 -1.73 4.01
SINCE JAN 1 19.95 19.41 0.54 21.68
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 14 9 5 7
MONTH TO DATE 156 128 28 153
SINCE JUN 1 156 128 28 153
SINCE JAN 1 293 220 73 251
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 PM
LOWEST 59 100 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 1964
MINIMUM TEMPERATURE (F) 63 48 2000
SUNRISE AND SUNSET
JUNE 20 2017..........SUNRISE 544 AM EDT SUNSET 839 PM EDT
JUNE 21 2017..........SUNRISE 545 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.
$$