399
CDUS41 KLWX 080520
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
119 AM EDT TUE MAY 8 2012
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 7 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 70 204 PM 90 2000 73 -3 70
1986
MINIMUM 58 634 AM 28 1970 48 10 46
AVERAGE 64 61 3 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.51 1967 0.14 -0.14 0.00
MONTH TO DATE 0.16 0.93 -0.77 0.62
SINCE MAR 1 3.50 7.78 -4.28 10.90
SINCE JAN 1 7.59 13.20 -5.61 14.98
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 1 6 -5 7
MONTH TO DATE 1 45 -44 49
SINCE MAR 1 676 1027 -351 955
SINCE JUL 1 3730 4617 -887 4634
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 27 7 20 7
SINCE MAR 1 55 27 28 52
SINCE JAN 1 55 27 28 52
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 43 1100 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 2000
MINIMUM TEMPERATURE (F) 49 29 1974
SUNRISE AND SUNSET
MAY 8 2012...........SUNRISE 603 AM EDT SUNSET 810 PM EDT
MAY 9 2012...........SUNRISE 602 AM EDT SUNSET 811 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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