AFOS product CLIDCA
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CDUS41 KLWX 110526
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
119 AM EDT TUE SEP 11 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 10 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         77    240 PM  98    1983  82     -5       84
  MINIMUM         60    555 AM  44    1883  65     -5       68
  AVERAGE         69                        73     -4       76

PRECIPITATION (IN)
  YESTERDAY        0.00          2.79 1950   0.11  -0.11     0.00
  MONTH TO DATE    2.44                      1.11   1.33     7.09
  SINCE SEP 1      2.44                      1.11   1.33     7.09
  SINCE JAN 1     21.15                     27.51  -6.36    34.39

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      0.0                       0.0    0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY        4                         8     -4       11
  MONTH TO DATE  139                        97     42       92
  SINCE SEP 1    139                        97     42       92
  SINCE JAN 1   1840                      1408    432     1794
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    10.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           500 AM
 LOWEST     31           300 PM
 AVERAGE    52

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      1983
 MINIMUM TEMPERATURE (F)   64        40      1917


SUNRISE AND SUNSET
SEPTEMBER 11 2012.....SUNRISE   646 AM EDT   SUNSET   722 PM EDT
SEPTEMBER 12 2012.....SUNRISE   647 AM EDT   SUNSET   720 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$