987 
CDUS41 KLWX 180521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT TUE SEP 18 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 17 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         75   1258 PM  96    1991  79     -4       65
  MINIMUM         59    617 AM  44    1923  62     -3       56
  AVERAGE         67                        71     -4       61

PRECIPITATION (IN)
  YESTERDAY        0.14          3.26 1876   0.14   0.00      T
  MONTH TO DATE    2.58                      2.02   0.56     7.14
  SINCE SEP 1      2.58                      2.02   0.56     7.14
  SINCE JAN 1     21.29                     28.42  -7.13    34.44

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                         1     -1        4
  MONTH TO DATE    0                         2     -2       11
  SINCE SEP 1      0                         2     -2       11
  SINCE JUL 1      0                         2     -2       11

 COOLING
  YESTERDAY        2                         6     -4        0
  MONTH TO DATE  174                       147     27      135
  SINCE SEP 1    174                       147     27      135
  SINCE JAN 1   1875                      1458    417     1837
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1000 PM
 LOWEST     64           100 PM
 AVERAGE    74

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        91      1927
                                             1921
                                             1898
 MINIMUM TEMPERATURE (F)   62        45      1937


SUNRISE AND SUNSET
SEPTEMBER 18 2012.....SUNRISE   653 AM EDT   SUNSET   711 PM EDT
SEPTEMBER 19 2012.....SUNRISE   654 AM EDT   SUNSET   709 PM EDT


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




$$