Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 141540 CCA
CLIBWI

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1039 AM EST THU DEC 14 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 13 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         32    323 PM  72    2015  46    -14       44
  MINIMUM         20    732 AM   8    1960  29     -9       33
  AVERAGE         26                        37    -11       39

PRECIPITATION (IN)
  YESTERDAY        0.01          3.08 1909   0.11  -0.10     0.00
  MONTH TO DATE    0.43                      1.52  -1.09     1.40
  SINCE DEC 1      0.43                      1.52  -1.09     1.40
  SINCE JAN 1     37.76                     40.03  -2.27    39.15

SNOWFALL (IN)
  YESTERDAY        0.3           7.6  1966   0.1    0.2
  MONTH TO DATE    3.1                       1.0    2.1
  SINCE JUL 1      3.1                       1.4    1.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       39                        28     11       26
  MONTH TO DATE  339                       338      1      314
  SINCE DEC 1    339                       338      1      314
  SINCE JUL 1   1086                      1242   -156     1013

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1316                      1164    152     1551
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           900 PM
 LOWEST     31           100 PM
 AVERAGE    58

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


THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        71      2015
                                             1929
                                             1881
 MINIMUM TEMPERATURE (F)   28        11      1960


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   718 AM EST   SUNSET   445 PM EST
DECEMBER 15 2017......SUNRISE   719 AM EST   SUNSET   445 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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