Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 160528
CLIBWI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST SAT DEC 16 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 15 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         29   1228 PM  70    1971  45    -16       37
                                      1929
  MINIMUM         19   1159 PM   9    1962  28     -9       14
                                      1960
  AVERAGE         24                        37    -13       26

PRECIPITATION (IN)
  YESTERDAY        0.09          1.35 1948   0.11  -0.02     0.00
  MONTH TO DATE    0.52                      1.74  -1.22     1.40
  SINCE DEC 1      0.52                      1.74  -1.22     1.40
  SINCE JAN 1     37.85                     40.25  -2.40    39.15

SNOWFALL (IN)
  YESTERDAY        0.7           5.7  1905   0.1    0.6
  MONTH TO DATE    3.8                       1.2    2.6
  SINCE JUL 1      3.8                       1.6    2.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       41                        28     13       39
  MONTH TO DATE  410                       394     16      381
  SINCE DEC 1    410                       394     16      381
  SINCE JUL 1   1157                      1298   -141     1080

 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     8   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     46          1200 AM
 AVERAGE    73

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


THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        71      1971
 MINIMUM TEMPERATURE (F)   28        10      1951


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   720 AM EST   SUNSET   445 PM EST
DECEMBER 17 2017......SUNRISE   720 AM EST   SUNSET   446 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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