Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 110525
CLIBWI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST MON DEC 11 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 10 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         39    313 PM  72    1966  47     -8       36
  MINIMUM         26    556 AM   1    1876  29     -3       24
  AVERAGE         33                        38     -5       30

PRECIPITATION (IN)
  YESTERDAY        0.00          2.85 1878   0.12  -0.12     0.00
  MONTH TO DATE    0.42                      1.18  -0.76     1.23
  SINCE DEC 1      0.42                      1.18  -0.76     1.23
  SINCE JAN 1     37.75                     39.69  -1.94    38.98

SNOWFALL (IN)
  YESTERDAY        0.0           9.5  1904   0.1   -0.1
  MONTH TO DATE    2.8                       0.8    2.0
  SINCE JUL 1      2.8                       1.2    1.6
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       32                        27      5       35
  MONTH TO DATE  246                       255     -9      235
  SINCE DEC 1    246                       255     -9      235
  SINCE JUL 1    993                      1159   -166      934

 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    22   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     50           300 PM
 AVERAGE    71

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


THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        69      1979
 MINIMUM TEMPERATURE (F)   29         9      1968


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   716 AM EST   SUNSET   444 PM EST
DECEMBER 12 2017......SUNRISE   717 AM EST   SUNSET   444 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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