359 
CDUS41 KLWX 120534
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT SAT MAY 12 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 11 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         73    614 PM  94    1911  74     -1       77
                                      1896
  MINIMUM         52    536 AM  33    1906  55     -3       58
  AVERAGE         63                        64     -1       68

PRECIPITATION (IN)
  YESTERDAY        0.00          2.63 2008   0.13  -0.13     0.00
  MONTH TO DATE    0.90                      1.34  -0.44     0.59
  SINCE MAR 1      3.84                      7.88  -4.04     8.19
  SINCE JAN 1      8.36                     13.31  -4.95    12.56

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      2.0                      14.5  -12.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        2                         3     -1        0
  MONTH TO DATE    4                        42    -38       41
  SINCE MAR 1    496                       880   -384      860
  SINCE JUL 1   3045                      3988   -943     3978

 COOLING
  YESTERDAY        0                         2     -2        3
  MONTH TO DATE   38                        20     18       11
  SINCE MAR 1     88                        46     42       55
  SINCE JAN 1     88                        46     42       55
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    51          1200 AM
 LOWEST     23           400 PM
 AVERAGE    37

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1914
                                             1881
 MINIMUM TEMPERATURE (F)   55        37      1913


SUNRISE AND SUNSET
MAY 12 2012...........SUNRISE   558 AM EDT   SUNSET   811 PM EDT
MAY 13 2012...........SUNRISE   557 AM EDT   SUNSET   812 PM EDT


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




$$