AFOS product CLIDCA
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CDUS41 KLWX 210521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT TUE AUG 21 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 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         82    319 PM 101    1983  86     -4       88
  MINIMUM         69   1159 PM  50    1896  70     -1       69
  AVERAGE         76                        78     -2       79

PRECIPITATION (IN)
  YESTERDAY        T             4.83 1963   0.09  -0.09     0.00
  MONTH TO DATE    1.47                      1.95  -0.48     4.39
  SINCE JUN 1      6.66                      9.46  -2.80     9.10
  SINCE JAN 1     17.40                     25.42  -8.02    22.77

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         6     -6        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       11                        13     -2       14
  MONTH TO DATE  343                       274     69      341
  SINCE JUN 1   1284                      1045    239     1375
  SINCE JAN 1   1543                      1179    364     1575
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     5.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           300 AM
 LOWEST     54           200 PM
 AVERAGE    72

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       100      1874
 MINIMUM TEMPERATURE (F)   69        53      1908


SUNRISE AND SUNSET
AUGUST 21 2012........SUNRISE   628 AM EDT   SUNSET   754 PM EDT
AUGUST 22 2012........SUNRISE   629 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.




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