800
CDUS41 KLWX 230523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED MAY 23 2012
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 22 2012
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 411 PM 88 2004 77 3 80
1984
1975
MINIMUM 63 1159 PM 31 2002 53 10 56
AVERAGE 72 65 7 68
PRECIPITATION (IN)
YESTERDAY 0.44 2.07 2001 0.15 0.29 T
MONTH TO DATE 2.58 3.18 -0.60 2.90
SINCE MAR 1 5.92 10.03 -4.11 13.18
SINCE JAN 1 10.01 15.45 -5.44 17.26
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 3.7 22.0 -18.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 32 109 -77 74
SINCE MAR 1 707 1091 -384 980
SINCE JUL 1 3761 4681 -920 4659
COOLING
YESTERDAY 7 3 4 3
MONTH TO DATE 54 39 15 22
SINCE MAR 1 82 59 23 67
SINCE JAN 1 82 59 23 67
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 58 400 PM
AVERAGE 79
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1964
MINIMUM TEMPERATURE (F) 53 39 2002
1990
1971
SUNRISE AND SUNSET
MAY 23 2012...........SUNRISE 551 AM EDT SUNSET 823 PM EDT
MAY 24 2012...........SUNRISE 550 AM EDT SUNSET 824 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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