Climatological Report (Daily)
Issued by NWS Sterling, VA

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068
CDUS41 KLWX 150525
CLIBWI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST FRI DEC 15 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 14 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         41    922 AM  71    2015  46     -5       45
                                      1929
                                      1881
  MINIMUM         28   1159 PM  11    1960  28      0       29
  AVERAGE         35                        37     -2       37

PRECIPITATION (IN)
  YESTERDAY        T             1.48 1879   0.11  -0.11     0.00
  MONTH TO DATE    0.43                      1.63  -1.20     1.40
  SINCE DEC 1      0.43                      1.63  -1.20     1.40
  SINCE JAN 1     37.76                     40.14  -2.38    39.15

SNOWFALL (IN)
  YESTERDAY        T             4.2  1951   0.1   -0.1
  MONTH TO DATE    3.1                       1.1    2.0
  SINCE JUL 1      3.1                       1.5    1.6
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       30                        28      2       28
  MONTH TO DATE  369                       366      3      342
  SINCE DEC 1    369                       366      3      342
  SINCE JUL 1   1116                      1270   -154     1041

 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    23   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 AM
 LOWEST     40           100 PM
 AVERAGE    55

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


THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        70      1971
                                             1929
 MINIMUM TEMPERATURE (F)   28         9      1962
                                             1960


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   719 AM EST   SUNSET   445 PM EST
DECEMBER 16 2017......SUNRISE   720 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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