National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-26 05:33 UTC
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633
CDUS41 KLWX 260534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT FRI MAY 26 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 25 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 73 227 PM 92 1991 77 -4 86
MINIMUM 55 1156 PM 36 1967 54 1 52
AVERAGE 64 66 -2 69
PRECIPITATION (IN)
YESTERDAY 0.79 1.76 1997 0.16 0.63 0.00
MONTH TO DATE 6.61 3.65 2.96 6.07
SINCE MAR 1 13.77 10.50 3.27 9.40
SINCE JAN 1 17.21 15.92 1.29 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 1 3 -2 0
MONTH TO DATE 139 118 21 164
SINCE MAR 1 958 1100 -142 945
SINCE JUL 1 3851 4690 -839 4036
COOLING
YESTERDAY 0 3 -3 4
MONTH TO DATE 50 48 2 10
SINCE MAR 1 119 68 51 33
SINCE JAN 1 119 68 51 33
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.4
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
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1100 PM
LOWEST 61 300 PM
AVERAGE 81
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2007
MINIMUM TEMPERATURE (F) 54 38 1967
SUNRISE AND SUNSET
MAY 26 2017...........SUNRISE 549 AM EDT SUNSET 825 PM EDT
MAY 27 2017...........SUNRISE 548 AM EDT SUNSET 826 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$