National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-04 05:29 UTC
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412
CDUS41 KLWX 040531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT THU MAY 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 3 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 63 517 PM 92 1965 72 -9 71
MINIMUM 44 1159 PM 32 2005 47 -3 57
1963
AVERAGE 54 60 -6 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.03 1984 0.14 -0.14 0.54
MONTH TO DATE 0.24 0.39 -0.15 2.46
SINCE MAR 1 7.40 7.24 0.16 5.79
SINCE JAN 1 10.84 12.66 -1.82 14.05
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 11 7 4 1
MONTH TO DATE 11 21 -10 11
SINCE MAR 1 830 1003 -173 792
SINCE JUL 1 3723 4593 -870 3883
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 3 8 2
SINCE MAR 1 80 23 57 25
SINCE JAN 1 80 23 57 25
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1100 PM
LOWEST 36 500 PM
AVERAGE 56
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2001
MINIMUM TEMPERATURE (F) 47 31 1967
SUNRISE AND SUNSET
MAY 4 2017...........SUNRISE 608 AM EDT SUNSET 806 PM EDT
MAY 5 2017...........SUNRISE 607 AM EDT SUNSET 807 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$