Climatological Report (Daily)
Issued by NWS Portland, ME

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000
CDUS41 KGYX 100907
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
407 AM EST SUN DEC 10 2017


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

...THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 9 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         36   1230 PM  54    1980  40     -4       33
  MINIMUM         29    955 PM  -6    1949  23      6       21
  AVERAGE         33                        31      2       27

PRECIPITATION (IN)
  YESTERDAY        0.49          1.95 2014   0.14   0.35     0.00
  MONTH TO DATE    1.21                      1.26  -0.05     1.31
  SINCE DEC 1      1.21                      1.26  -0.05     1.31
  SINCE JAN 1     41.38                     44.49  -3.11    38.12

SNOWFALL (IN)
  YESTERDAY        6.2          13.9  2005   0.3    5.9      0.0
  MONTH TO DATE    6.2                       2.7    3.5      2.2
  SINCE DEC 1      6.2                       2.7    3.5      2.2
  SINCE JUL 1      6.3                       4.6    1.7      2.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        34     -2       38
  MONTH TO DATE  260                       290    -30      277
  SINCE DEC 1    260                       290    -30      277
  SINCE JUL 1   1425                      1781   -356     1529

 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   4   RESULTANT WIND DIRECTION  NE (30)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.9


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 PM
 LOWEST     54          1200 AM
 AVERAGE    77

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


THE PORTLAND ME CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        58      2008
 MINIMUM TEMPERATURE (F)   23        -8      1949


SUNRISE AND SUNSET
DECEMBER 10 2017......SUNRISE   704 AM EST   SUNSET   404 PM EST
DECEMBER 11 2017......SUNRISE   705 AM EST   SUNSET   404 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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