Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 220528
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST MON DEC 22 2014


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 21 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         45    344 PM  72    2013  45      0       72
  MINIMUM         34   1159 PM   4    1942  31      3       51
  AVERAGE         40                        38      2       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.38 1905   0.09  -0.09     0.00
  MONTH TO DATE    2.08                      2.15  -0.07     3.13
  SINCE DEC 1      2.08                      2.15  -0.07     3.13
  SINCE JAN 1     42.99                     38.84   4.15    41.84

SNOWFALL (IN)
  YESTERDAY        0.0           5.3  1962   0.1   -0.1
  MONTH TO DATE    T                         1.4   -1.4
  SINCE JUL 1      T                         1.9   -1.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        27     -2        3
  MONTH TO DATE  449                       507    -58      476
  SINCE DEC 1    449                       507    -58      476
  SINCE JUL 1   1056                      1202   -146     1184

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1712                      1549    163     1719
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           800 PM
 LOWEST     45           100 PM
 AVERAGE    55

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        72      2013
                                             1889
 MINIMUM TEMPERATURE (F)   31         3      1872


SUNRISE AND SUNSET
DECEMBER 22 2014......SUNRISE   723 AM EST   SUNSET   450 PM EST
DECEMBER 23 2014......SUNRISE   724 AM EST   SUNSET   451 PM EST


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




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