Climatological Report (Daily)
Issued by NWS Portland, ME

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000
CDUS41 KGYX 122146
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
446 PM EST TUE DEC 12 2017


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

...THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 12 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         28   1213 AM  64    1979  39    -11       33
  MINIMUM         19    834 AM -15    1977  22     -3       21
  AVERAGE         24                        30     -6       27

PRECIPITATION (IN)
  TODAY            0.32          1.87 1952   0.14   0.18     0.65
  MONTH TO DATE    1.55                      1.68  -0.13     1.96
  SINCE DEC 1      1.55                      1.68  -0.13     1.96
  SINCE JAN 1     41.72                     44.91  -3.19    38.77

SNOWFALL (IN)
  TODAY            1.4          14.7  1960   0.4    1.0      4.0
  MONTH TO DATE    7.8                       3.9    3.9      6.2
  SINCE DEC 1      7.8                       3.9    3.9      6.2
  SINCE JUL 1      7.9                       5.8    2.1      6.7
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  TODAY           41                        35      6       38
  MONTH TO DATE  367                       393    -26      406
  SINCE DEC 1    367                       393    -26      406
  SINCE JUL 1   1532                      1884   -352     1658

 COOLING
  TODAY            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)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LT FREEZING RAIN
  LIGHT SNOW
  SLEET
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           200 PM
 LOWEST     63          1200 AM
 AVERAGE    80

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


THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        60      1984
 MINIMUM TEMPERATURE (F)   21        -5      1976


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   706 AM EST   SUNSET   405 PM EST
DECEMBER 13 2017......SUNRISE   706 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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