AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
859 
CDUS41 KLWX 150527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SAT DEC 15 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 14 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         52    313 PM  70    1931  47      5       50
                                      1929
                                      1881
  MINIMUM         30    529 AM   6    1904  33     -3       38
  AVERAGE         41                        40      1       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.89 1879   0.10  -0.10      T
  MONTH TO DATE    0.29                      1.49  -1.20     3.34
  SINCE DEC 1      0.29                      1.49  -1.20     3.34
  SINCE JAN 1     29.71                     38.18  -8.47    45.33

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  2003   0.1   -0.1
  MONTH TO DATE    0.0                       0.9   -0.9
  SINCE JUL 1      T                         1.4   -1.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        25     -1       21
  MONTH TO DATE  227                       324    -97      291
  SINCE DEC 1    227                       324    -97      291
  SINCE JUL 1    938                      1019    -81      886

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1975                      1549    426     1925
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79          1000 AM
 LOWEST     44           200 PM
 AVERAGE    62

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        71      1971
 MINIMUM TEMPERATURE (F)   33         6      1904


SUNRISE AND SUNSET
DECEMBER 15 2012......SUNRISE   720 AM EST   SUNSET   447 PM EST
DECEMBER 16 2012......SUNRISE   720 AM EST   SUNSET   448 PM EST


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




$$