National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-27 05:28 UTC
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783
CDUS41 KLWX 270531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SAT MAY 27 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 26 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 76 258 PM 92 2007 78 -2 89
MINIMUM 53 129 AM 38 1967 54 -1 56
AVERAGE 65 66 -1 73
PRECIPITATION (IN)
YESTERDAY 0.00 3.59 2009 0.14 -0.14 0.00
MONTH TO DATE 6.61 3.79 2.82 6.07
SINCE MAR 1 13.77 10.64 3.13 9.40
SINCE JAN 1 17.21 16.06 1.15 17.66
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 0 3 -3 0
MONTH TO DATE 139 121 18 164
SINCE MAR 1 958 1103 -145 945
SINCE JUL 1 3851 4693 -842 4036
COOLING
YESTERDAY 0 4 -4 8
MONTH TO DATE 50 52 -2 18
SINCE MAR 1 119 72 47 41
SINCE JAN 1 119 72 47 41
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 43 400 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2010
1965
MINIMUM TEMPERATURE (F) 55 37 1972
SUNRISE AND SUNSET
MAY 27 2017...........SUNRISE 548 AM EDT SUNSET 826 PM EDT
MAY 28 2017...........SUNRISE 548 AM EDT SUNSET 827 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$