173
CDUS41 KLWX 202122
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT SUN MAY 20 2012
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 20 2012
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 121 PM 96 1996 76 5 72
MINIMUM 59 502 AM 42 2002 58 1 55
AVERAGE 70 67 3 64
PRECIPITATION (IN)
TODAY 0.00 2.63 2005 0.13 -0.13 T
MONTH TO DATE 2.36 2.53 -0.17 1.59
SINCE MAR 1 5.30 9.07 -3.77 9.19
SINCE JAN 1 9.82 14.50 -4.68 13.56
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 2.0 14.5 -12.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 4 64 -60 48
SINCE MAR 1 496 902 -406 867
SINCE JUL 1 3045 4010 -965 3985
COOLING
TODAY 5 4 1 0
MONTH TO DATE 78 50 28 26
SINCE MAR 1 128 76 52 70
SINCE JAN 1 128 76 52 70
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 400 AM
LOWEST 31 800 AM
AVERAGE 52
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 1934
MINIMUM TEMPERATURE (F) 58 41 1907
SUNRISE AND SUNSET
MAY 20 2012...........SUNRISE 551 AM EDT SUNSET 819 PM EDT
MAY 21 2012...........SUNRISE 551 AM EDT SUNSET 819 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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