AFOS product CLIDCA
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CDUS41 KLWX 230529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST SUN DEC 23 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 22 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         45    241 PM  72    1889  45      0       62
  MINIMUM         35   1159 PM   3    1872  31      4       46
  AVERAGE         40                        38      2       54

PRECIPITATION (IN)
  YESTERDAY        0.00          1.68 1881   0.10  -0.10     0.53
  MONTH TO DATE    1.27                      2.25  -0.98     4.00
  SINCE DEC 1      1.27                      2.25  -0.98     4.00
  SINCE JAN 1     30.69                     38.94  -8.25    45.99

SNOWFALL (IN)
  YESTERDAY        0.0           8.5  1908   0.1   -0.1
  MONTH TO DATE    0.0                       1.5   -1.5
  SINCE JUL 1      T                         2.0   -2.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        27     -2       11
  MONTH TO DATE  366                       534   -168      429
  SINCE DEC 1    366                       534   -168      429
  SINCE JUL 1   1077                      1229   -152     1024

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1975                      1549    426     1925
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    16.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    52           900 PM
 LOWEST     33           300 PM
 AVERAGE    43

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        71      1990
                                             1875
 MINIMUM TEMPERATURE (F)   31         7      1989


SUNRISE AND SUNSET
DECEMBER 23 2012......SUNRISE   724 AM EST   SUNSET   451 PM EST
DECEMBER 24 2012......SUNRISE   725 AM EST   SUNSET   452 PM EST


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




$$