National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-14 05:23 UTC
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863
CDUS41 KLWX 140524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN MAY 14 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 13 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 60 342 PM 92 2000 74 -14 77
MINIMUM 44 1159 PM 32 1976 50 -6 56
AVERAGE 52 62 -10 67
PRECIPITATION (IN)
YESTERDAY 0.41 1.93 1971 0.15 0.26 0.05
MONTH TO DATE 4.19 1.79 2.40 3.80
SINCE MAR 1 11.35 8.64 2.71 7.13
SINCE JAN 1 14.79 14.06 0.73 15.39
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 13 5 8 0
MONTH TO DATE 116 76 40 86
SINCE MAR 1 935 1058 -123 867
SINCE JUL 1 3828 4648 -820 3958
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 12 17 -5 4
SINCE MAR 1 81 37 44 27
SINCE JAN 1 81 37 44 27
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 67 700 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 2010
MINIMUM TEMPERATURE (F) 51 32 2013
1996
SUNRISE AND SUNSET
MAY 14 2017...........SUNRISE 558 AM EDT SUNSET 815 PM EDT
MAY 15 2017...........SUNRISE 557 AM EDT SUNSET 816 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$