National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-16 05:26 UTC
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725
CDUS41 KLWX 160528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT TUE MAY 16 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 15 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 442 PM 90 1962 75 0 59
MINIMUM 47 418 AM 37 2016 51 -4 37
1984
AVERAGE 61 63 -2 48
PRECIPITATION (IN)
YESTERDAY 0.00 2.40 2003 0.16 -0.16 0.00
MONTH TO DATE 4.19 2.11 2.08 3.98
SINCE MAR 1 11.35 8.96 2.39 7.31
SINCE JAN 1 14.79 14.38 0.41 15.57
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 4 4 0 17
MONTH TO DATE 124 84 40 107
SINCE MAR 1 943 1066 -123 888
SINCE JUL 1 3836 4656 -820 3979
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 12 21 -9 4
SINCE MAR 1 81 41 40 27
SINCE JAN 1 81 41 40 27
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 1100 PM
LOWEST 26 1200 AM
AVERAGE 44
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 1998
MINIMUM TEMPERATURE (F) 51 35 2000
SUNRISE AND SUNSET
MAY 16 2017...........SUNRISE 556 AM EDT SUNSET 817 PM EDT
MAY 17 2017...........SUNRISE 555 AM EDT SUNSET 818 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$