683 
CDUS41 KLWX 040522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST WED JAN 4 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 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         34   1120 AM  68    2004  43     -9       41
                                      2000
  MINIMUM         21   1159 PM  -3    1877  29     -8       28
  AVERAGE         28                        36     -8       35

PRECIPITATION (IN)
  YESTERDAY        T             1.87 1914   0.09  -0.09     0.00
  MONTH TO DATE    T                         0.26  -0.26     0.07
  SINCE DEC 1      4.90                      3.31   1.59     1.85
  SINCE JAN 1      T                         0.26  -0.26     0.07

SNOWFALL (IN)
  YESTERDAY        T             2.4  1988   0.1   -0.1
  MONTH TO DATE    T                         0.4   -0.4
  SINCE JUL 1      T                         3.2   -3.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        29      8       30
  MONTH TO DATE   77                        87    -10       67
  SINCE DEC 1    690                       873   -183     1000
  SINCE JUL 1   1285                      1568   -283     1572

 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    33   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    15.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           500 AM
 LOWEST     27           400 PM
 AVERAGE    43

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        73      1997
 MINIMUM TEMPERATURE (F)   29        -3      1877


SUNRISE AND SUNSET
JANUARY  4 2012.......SUNRISE   727 AM EST   SUNSET   459 PM EST
JANUARY  5 2012.......SUNRISE   727 AM EST   SUNSET   500 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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