National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-10 05:31 UTC
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708
CDUS41 KLWX 100532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT WED MAY 10 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 9 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 66 439 PM 91 1963 73 -7 63
MINIMUM 36 245 AM 30 1976 49 -13 42
AVERAGE 51 61 -10 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 1974 0.14 -0.14 0.10
MONTH TO DATE 1.67 1.20 0.47 3.57
SINCE MAR 1 8.83 8.05 0.78 6.90
SINCE JAN 1 12.27 13.47 -1.20 15.16
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 14 5 9 12
MONTH TO DATE 73 56 17 69
SINCE MAR 1 892 1038 -146 850
SINCE JUL 1 3785 4628 -843 3941
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 9 3 2
SINCE MAR 1 81 29 52 25
SINCE JAN 1 81 29 52 25
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 100 AM
LOWEST 24 1000 AM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 1963
MINIMUM TEMPERATURE (F) 49 31 1983
1966
SUNRISE AND SUNSET
MAY 10 2017...........SUNRISE 602 AM EDT SUNSET 811 PM EDT
MAY 11 2017...........SUNRISE 601 AM EDT SUNSET 812 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$