AFOS product CLIDCA
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CDUS41 KLWX 100521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT MON SEP 10 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 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         80    317 PM  98    1872  82     -2       83
  MINIMUM         62    620 AM  48    1901  65     -3       71
  AVERAGE         71                        74     -3       77

PRECIPITATION (IN)
  YESTERDAY        0.00          1.48 1880   0.12  -0.12     0.46
  MONTH TO DATE    2.44                      1.00   1.44     7.09
  SINCE SEP 1      2.44                      1.00   1.44     7.09
  SINCE JAN 1     21.15                     27.40  -6.25    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        6                         9     -3       12
  MONTH TO DATE  135                        89     46       81
  SINCE SEP 1    135                        89     46       81
  SINCE JAN 1   1836                      1400    436     1783
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           200 AM
 LOWEST     30           200 PM
 AVERAGE    54

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1983
 MINIMUM TEMPERATURE (F)   65        44      1883


SUNRISE AND SUNSET
SEPTEMBER 10 2012.....SUNRISE   645 AM EDT   SUNSET   724 PM EDT
SEPTEMBER 11 2012.....SUNRISE   646 AM EDT   SUNSET   722 PM EDT


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




$$