Climatological Report (Daily)
Issued by NWS Portland, ME

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410
CDUS41 KGYX 090905
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
405 AM EST SAT DEC 9 2017


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

...THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 8 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         38    126 PM  58    1951  40     -2       42
  MINIMUM         29    746 AM  -5    1989  23      6       26
  AVERAGE         34                        32      2       34

PRECIPITATION (IN)
  YESTERDAY        0.00          1.46 1950   0.14  -0.14     0.00
  MONTH TO DATE    0.72                      1.12  -0.40     1.31
  SINCE DEC 1      0.72                      1.12  -0.40     1.31
  SINCE JAN 1     40.89                     44.35  -3.46    38.12

SNOWFALL (IN)
  YESTERDAY        0.0           3.4  1929   0.4   -0.4      0.0
  MONTH TO DATE    0.0                       2.4   -2.4      2.2
  SINCE DEC 1      0.0                       2.4   -2.4      2.2
  SINCE JUL 1      0.1                       4.3   -4.2      2.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       31                        33     -2       31
  MONTH TO DATE  228                       256    -28      239
  SINCE DEC 1    228                       256    -28      239
  SINCE JUL 1   1393                      1747   -354     1491

 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   9   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.7


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           300 AM
 LOWEST     44           300 PM
 AVERAGE    57

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


THE PORTLAND ME CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        54      1980
 MINIMUM TEMPERATURE (F)   23        -6      1949


SUNRISE AND SUNSET
DECEMBER  9 2017......SUNRISE   703 AM EST   SUNSET   404 PM EST
DECEMBER 10 2017......SUNRISE   704 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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