AFOS product CLIDCA
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CDUS41 KLWX 110520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1219 AM EST WED JAN 11 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 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         54    349 PM  70    1950  43     11       35
  MINIMUM         32    832 AM  -3    1875  29      3       25
  AVERAGE         43                        36      7       30

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 1965   0.09  -0.09     0.00
  MONTH TO DATE    0.16                      0.88  -0.72     0.09
  SINCE DEC 1      5.06                      3.93   1.13     1.87
  SINCE JAN 1      0.16                      0.88  -0.72     0.09

SNOWFALL (IN)
  YESTERDAY        0.0           3.8  1965   0.1   -0.1
  MONTH TO DATE    0.6                       1.3   -0.7
  SINCE JUL 1      0.6                       4.1   -3.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        29     -7       35
  MONTH TO DATE  241                       290    -49      293
  SINCE DEC 1    854                      1076   -222     1226
  SINCE JUL 1   1449                      1771   -322     1798

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     38           200 PM
 AVERAGE    67

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        75      1975
 MINIMUM TEMPERATURE (F)   29         2      1982


SUNRISE AND SUNSET
JANUARY 11 2012.......SUNRISE   726 AM EST   SUNSET   506 PM EST
JANUARY 12 2012.......SUNRISE   726 AM EST   SUNSET   507 PM EST


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




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