AFOS product CLIDCA
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CDUS41 KLWX 210534
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT SAT APR 21 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 20 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         76    238 PM  94    1941  68      8       86
  MINIMUM         52    444 AM  28    1904  48      4       52
  AVERAGE         64                        58      6       69

PRECIPITATION (IN)
  YESTERDAY        0.00          1.71 1940   0.10  -0.10     0.00
  MONTH TO DATE    0.21                      2.04  -1.83     2.01
  SINCE MAR 1      1.23                      5.52  -4.29     6.41
  SINCE JAN 1      5.75                     10.95  -5.20    10.78

SNOWFALL (IN)
  YESTERDAY        0.0           T    1983   0.0    0.0
                                      1953
  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        1                         8     -7        0
  MONTH TO DATE  130                       207    -77      183
  SINCE MAR 1    402                       775   -373      777
  SINCE JUL 1   2951                      3883   -932     3895

 COOLING
  YESTERDAY        0                         1     -1        4
  MONTH TO DATE   22                        11     11       11
  SINCE MAR 1     45                        13     32       11
  SINCE JAN 1     45                        13     32       11
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     43           300 PM
 AVERAGE    68

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1976
                                             1957
 MINIMUM TEMPERATURE (F)   49        31      1875


SUNRISE AND SUNSET
APRIL 21 2012.........SUNRISE   623 AM EDT   SUNSET   751 PM EDT
APRIL 22 2012.........SUNRISE   621 AM EDT   SUNSET   752 PM EDT


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




$$