AFOS product CLIDCA
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CDUS41 KLWX 220521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT THU MAR 22 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 21 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         70    525 PM  89    1921  58     12       70
  MINIMUM         59    745 AM  10    1885  39     20       43
  AVERAGE         65                        48     17       57

PRECIPITATION (IN)
  YESTERDAY        T             2.15 1918   0.12  -0.12     0.19
  MONTH TO DATE    0.71                      2.26  -1.55     3.71
  SINCE MAR 1      0.71                      2.26  -1.55     3.71
  SINCE JAN 1      5.23                      7.69  -2.46     8.08

SNOWFALL (IN)
  YESTERDAY        0.0           5.3  1924   0.0    0.0
  MONTH TO DATE    T                         1.2   -1.2
  SINCE JUL 1      2.0                      14.4  -12.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                        17    -17        8
  MONTH TO DATE  190                       418   -228      374
  SINCE MAR 1    190                       418   -228      374
  SINCE JUL 1   2739                      3526   -787     3492

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   13                         0     13        0
  SINCE MAR 1     13                         0     13        0
  SINCE JAN 1     13                         0     13        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     66           600 PM
 AVERAGE    80

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        90      1907
 MINIMUM TEMPERATURE (F)   39        17      1892
                                             1885


SUNRISE AND SUNSET
MARCH 22 2012.........SUNRISE   708 AM EDT   SUNSET   723 PM EDT
MARCH 23 2012.........SUNRISE   706 AM EDT   SUNSET   723 PM EDT


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




$$