National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-02 05:26 UTC
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341
CDUS41 KLWX 020527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT TUE MAY 2 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 1 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 81 417 PM 90 2010 71 10 59
MINIMUM 70 815 PM 33 1996 47 23 51
AVERAGE 76 59 17 55
PRECIPITATION (IN)
YESTERDAY 0.24 1.42 1981 0.13 0.11 0.53
MONTH TO DATE 0.24 0.13 0.11 0.53
SINCE MAR 1 7.40 6.98 0.42 3.86
SINCE JAN 1 10.84 12.40 -1.56 12.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1963 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 7 -7 10
MONTH TO DATE 0 7 -7 10
SINCE MAR 1 819 989 -170 791
SINCE JUL 1 3712 4579 -867 3882
COOLING
YESTERDAY 11 1 10 0
MONTH TO DATE 11 1 10 0
SINCE MAR 1 80 21 59 23
SINCE JAN 1 80 21 59 23
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 14.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1000 PM
LOWEST 54 400 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 88 2010
1992
MINIMUM TEMPERATURE (F) 47 34 1979
SUNRISE AND SUNSET
MAY 2 2017...........SUNRISE 610 AM EDT SUNSET 804 PM EDT
MAY 3 2017...........SUNRISE 609 AM EDT SUNSET 805 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$