AFOS product CLIDCA
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CDUS41 KLWX 150529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SAT SEP 15 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 14 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         83    421 PM  94    1981  80      3       87
                                      1980
                                      1915
  MINIMUM         64    618 AM  46    1911  63      1       68
  AVERAGE         74                        72      2       78

PRECIPITATION (IN)
  YESTERDAY        0.00          4.07 1966   0.13  -0.13     0.00
  MONTH TO DATE    2.44                      1.61   0.83     7.11
  SINCE SEP 1      2.44                      1.61   0.83     7.11
  SINCE JAN 1     21.15                     28.01  -6.86    34.41

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        9                         7      2       13
  MONTH TO DATE  163                       127     36      134
  SINCE SEP 1    163                       127     36      134
  SINCE JAN 1   1864                      1438    426     1836
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           600 AM
 LOWEST     45           200 PM
 AVERAGE    66

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      1930
                                             1927
 MINIMUM TEMPERATURE (F)   63        43      1902
                                             1899


SUNRISE AND SUNSET
SEPTEMBER 15 2012.....SUNRISE   650 AM EDT   SUNSET   716 PM EDT
SEPTEMBER 16 2012.....SUNRISE   651 AM EDT   SUNSET   714 PM EDT


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




$$