Climatological Report (Daily)
Issued by NWS Portland, ME

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CDUS41 KGYX 131013
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
513 AM EST WED DEC 13 2017


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

...THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 12 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         33    631 PM  64    1979  39     -6       33
  MINIMUM         19    834 AM -15    1977  22     -3       21
  AVERAGE         26                        30     -4       27

PRECIPITATION (IN)
  YESTERDAY        0.81          1.87 1952   0.14   0.67     0.65
  MONTH TO DATE    2.04                      1.68   0.36     1.96
  SINCE DEC 1      2.04                      1.68   0.36     1.96
  SINCE JAN 1     42.21                     44.91  -2.70    38.77

SNOWFALL (IN)
  YESTERDAY        2.3          14.7  1960   0.4    1.9      4.0
  MONTH TO DATE    8.7                       3.9    4.8      6.2
  SINCE DEC 1      8.7                       3.9    4.8      6.2
  SINCE JUL 1      8.8                       5.8    3.0      6.7
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       39                        35      4       38
  MONTH TO DATE  365                       393    -28      406
  SINCE DEC 1    365                       393    -28      406
  SINCE JUL 1   1530                      1884   -354     1658

 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   6   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     8.4


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     63          1200 AM
 AVERAGE    82

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


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


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   706 AM EST   SUNSET   405 PM EST
DECEMBER 14 2017......SUNRISE   707 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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