AFOS product CLIDCA
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CDUS41 KLWX 180525
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT WED APR 18 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 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         77    307 PM  95    2002  67     10       67
  MINIMUM         61   1143 PM  26    1875  48     13       47
  AVERAGE         69                        57     12       57

PRECIPITATION (IN)
  YESTERDAY        T             2.74 1910   0.09  -0.09     0.00
  MONTH TO DATE    0.16                      1.76  -1.60     2.00
  SINCE MAR 1      1.18                      5.24  -4.06     6.40
  SINCE JAN 1      5.70                     10.67  -4.97    10.77

SNOWFALL (IN)
  YESTERDAY        0.0           T    1905   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                         8     -8        8
  MONTH TO DATE  118                       183    -65      178
  SINCE MAR 1    390                       751   -361      772
  SINCE JUL 1   2939                      3859   -920     3890

 COOLING
  YESTERDAY        4                         1      3        0
  MONTH TO DATE   22                         8     14        7
  SINCE MAR 1     45                        10     35        7
  SINCE JAN 1     45                        10     35        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           100 AM
 LOWEST     22           300 PM
 AVERAGE    52

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        95      1976
 MINIMUM TEMPERATURE (F)   48        25      1875


SUNRISE AND SUNSET
APRIL 18 2012.........SUNRISE   627 AM EDT   SUNSET   749 PM EDT
APRIL 19 2012.........SUNRISE   625 AM EDT   SUNSET   749 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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