AFOS product CLIDCA
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CDUS41 KLWX 040521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT THU OCT 4 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 3 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         82    437 PM  92    1879  73      9       53
  MINIMUM         70    751 AM  35    1899  55     15       46
  AVERAGE         76                        64     12       50

PRECIPITATION (IN)
  YESTERDAY        T             1.92 1927   0.11  -0.11      T
  MONTH TO DATE    0.43                      0.32   0.11     0.47
  SINCE SEP 1      4.72                      4.04   0.68     9.31
  SINCE JAN 1     23.43                     30.44  -7.01    36.61

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                         3     -3       15
  MONTH TO DATE    2                         9     -7       41
  SINCE SEP 1      7                        33    -26       55
  SINCE JUL 1      7                        33    -26       55

 COOLING
  YESTERDAY       11                         2      9        0
  MONTH TO DATE   15                         8      7        0
  SINCE SEP 1    244                       210     34      208
  SINCE JAN 1   1945                      1521    424     1910
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           700 AM
 LOWEST     58           400 PM
 AVERAGE    78

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        94      1954
 MINIMUM TEMPERATURE (F)   55        34      1974


SUNRISE AND SUNSET
OCTOBER  4 2012.......SUNRISE   707 AM EDT   SUNSET   645 PM EDT
OCTOBER  5 2012.......SUNRISE   708 AM EDT   SUNSET   644 PM EDT


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




$$