National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-31 05:27 UTC
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702
CDUS41 KLWX 310527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT WED MAY 31 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 30 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 73 350 PM 95 2006 79 -6 83
1991
1987
MINIMUM 62 906 AM 38 1996 56 6 63
AVERAGE 68 67 1 73
PRECIPITATION (IN)
YESTERDAY 1.10 2.65 1960 0.15 0.95 0.00
MONTH TO DATE 7.89 4.40 3.49 6.08
SINCE MAR 1 15.05 11.25 3.80 9.41
SINCE JAN 1 18.49 16.67 1.82 17.67
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 2 -2 0
MONTH TO DATE 140 129 11 164
SINCE MAR 1 959 1111 -152 945
SINCE JUL 1 3852 4701 -849 4036
COOLING
YESTERDAY 3 4 -1 8
MONTH TO DATE 62 68 -6 62
SINCE MAR 1 131 88 43 85
SINCE JAN 1 131 88 43 85
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 73 400 PM
AVERAGE 83
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 2011
1991
MINIMUM TEMPERATURE (F) 56 37 1984
SUNRISE AND SUNSET
MAY 31 2017...........SUNRISE 546 AM EDT SUNSET 829 PM EDT
JUNE 1 2017..........SUNRISE 546 AM EDT SUNSET 830 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$