National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-29 05:23 UTC
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544
CDUS41 KLWX 290523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT MON MAY 29 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 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 74 1054 AM 90 2012 78 -4 89
1991
MINIMUM 57 446 AM 37 1994 55 2 69
AVERAGE 66 67 -1 79
PRECIPITATION (IN)
YESTERDAY 0.17 2.16 1982 0.15 0.02 0.00
MONTH TO DATE 6.79 4.09 2.70 6.07
SINCE MAR 1 13.95 10.94 3.01 9.40
SINCE JAN 1 17.39 16.36 1.03 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 2 -2 0
MONTH TO DATE 140 125 15 164
SINCE MAR 1 959 1107 -148 945
SINCE JUL 1 3852 4697 -845 4036
COOLING
YESTERDAY 1 4 -3 14
MONTH TO DATE 51 60 -9 45
SINCE MAR 1 120 80 40 68
SINCE JAN 1 120 80 40 68
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 64 1100 AM
AVERAGE 82
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1969
MINIMUM TEMPERATURE (F) 56 40 1997
SUNRISE AND SUNSET
MAY 29 2017...........SUNRISE 547 AM EDT SUNSET 827 PM EDT
MAY 30 2017...........SUNRISE 547 AM EDT SUNSET 828 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$