AFOS product CLIDCA
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CDUS41 KLWX 040524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT FRI MAY 4 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 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         81    512 PM  91    1965  72      9       81
  MINIMUM         56    627 AM  36    1909  52      4       62
                                      1879
  AVERAGE         69                        62      7       72

PRECIPITATION (IN)
  YESTERDAY        T             2.41 1936   0.12  -0.12     0.02
  MONTH TO DATE    0.17                      0.35  -0.18     0.03
  SINCE MAR 1      3.11                      6.89  -3.78     7.63
  SINCE JAN 1      7.63                     12.32  -4.69    12.00

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        0                         4     -4        0
  MONTH TO DATE    0                        14    -14        9
  SINCE MAR 1    492                       852   -360      828
  SINCE JUL 1   3041                      3960   -919     3946

 COOLING
  YESTERDAY        4                         2      2        7
  MONTH TO DATE   12                         4      8        8
  SINCE MAR 1     62                        30     32       52
  SINCE JAN 1     62                        30     32       52
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     54           400 PM
 AVERAGE    74

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        93      1928
 MINIMUM TEMPERATURE (F)   53        39      1986


SUNRISE AND SUNSET
MAY  4 2012...........SUNRISE   606 AM EDT   SUNSET   804 PM EDT
MAY  5 2012...........SUNRISE   605 AM EDT   SUNSET   805 PM EDT


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




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