Climatological Report (Daily)
Issued by NWS Portland, ME

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426
CDUS41 KGYX 140922
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
422 AM EST THU DEC 14 2017


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

...THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 13 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    442 AM  60    1984  38     -7       36
  MINIMUM         17   1159 PM  -5    1976  21     -4       23
  AVERAGE         24                        30     -6       30

PRECIPITATION (IN)
  YESTERDAY        T             2.98 1983   0.13  -0.13      T
  MONTH TO DATE    2.04                      1.81   0.23     1.96
  SINCE DEC 1      2.04                      1.81   0.23     1.96
  SINCE JAN 1     42.21                     45.04  -2.83    38.77

SNOWFALL (IN)
  YESTERDAY        T             4.9  1965   0.4   -0.4       T
  MONTH TO DATE    8.7                       4.3    4.4      6.2
  SINCE DEC 1      8.7                       4.3    4.4      6.2
  SINCE JUL 1      8.8                       6.2    2.6      6.7
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       41                        35      6       35
  MONTH TO DATE  406                       428    -22      441
  SINCE DEC 1    406                       428    -22      441
  SINCE JUL 1   1571                      1919   -348     1693

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    433                       359     74      553
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    12.2


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     61           900 PM
 AVERAGE    81

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


THE PORTLAND ME CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        55      2006
 MINIMUM TEMPERATURE (F)   21        -6      1976


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   707 AM EST   SUNSET   405 PM EST
DECEMBER 15 2017......SUNRISE   708 AM EST   SUNSET   405 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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