Climatological Report (Daily)
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120
CDUS45 KTFX 101056
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
356 AM MST SAT DEC 10 2016


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

...THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 9 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM          8    133 PM  59    1957  32    -24       58
  MINIMUM          0    601 AM -30    1972  13    -13       39
  AVERAGE          4                        22    -18       49

PRECIPITATION (IN)
  YESTERDAY        0.05          0.49 1917   0.01   0.04     0.02
  MONTH TO DATE    0.19                      0.13   0.06     0.06
  SINCE OCT 1      1.89                      1.30   0.59     1.02
  SINCE JAN 1      9.06                     10.95  -1.89     9.22

SNOWFALL (IN)
  YESTERDAY        0.7          18.0  1906   0.2    0.5      0.0
  MONTH TO DATE    1.7                       2.1   -0.4      0.0
  SINCE DEC 1      1.7                       2.1   -0.4      0.0
  SINCE JUL 1      3.0                      10.9   -7.9      3.5
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       61                        42     19       16
  MONTH TO DATE  415                       370     45      281
  SINCE DEC 1    415                       370     45      281
  SINCE JUL 1   1890                      2252   -362     1910

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    455                       406     49      564
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     3.0


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1100 PM
 LOWEST     55           100 PM
 AVERAGE    68

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        63      1939
 MINIMUM TEMPERATURE (F)   13       -27      1972


SUNRISE AND SUNSET
DECEMBER 10 2016......SUNRISE   802 AM MST   SUNSET   440 PM MST
DECEMBER 11 2016......SUNRISE   803 AM MST   SUNSET   440 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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