AFOS product CLIDCA
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CDUS41 KLWX 100521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT THU MAY 10 2012


...................................

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 9 2012...

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)
 YESTERDAY
  MAXIMUM         75    254 PM  96    1963  74      1       73
  MINIMUM         59   1159 PM  34    1947  54      5       53
  AVERAGE         67                        64      3       63

PRECIPITATION (IN)
  YESTERDAY        0.58          2.22 2008   0.12   0.46     0.00
  MONTH TO DATE    0.90                      1.08  -0.18     0.59
  SINCE MAR 1      3.84                      7.62  -3.78     8.19
  SINCE JAN 1      8.36                     13.05  -4.69    12.56

SNOWFALL (IN)
  YESTERDAY        0.0           T    1923   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
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE    0                        36    -36       40
  SINCE MAR 1    492                       874   -382      859
  SINCE JUL 1   3041                      3982   -941     3977

 COOLING
  YESTERDAY        2                         2      0        0
  MONTH TO DATE   38                        16     22        8
  SINCE MAR 1     88                        42     46       52
  SINCE JAN 1     88                        42     46       52
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     50           300 PM
 AVERAGE    72

..........................................................


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1963
 MINIMUM TEMPERATURE (F)   55        35      1947


SUNRISE AND SUNSET
MAY 10 2012...........SUNRISE   600 AM EDT   SUNSET   810 PM EDT
MAY 11 2012...........SUNRISE   559 AM EDT   SUNSET   810 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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