Climatological Report (Daily)
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CDUS45 KTFX 201001
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
300 AM MST SAT DEC 20 2014


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

...THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1045 PM  59    2004  31      8       14
                                      1941
  MINIMUM         22   1221 AM -30    1924  11     11        4
  AVERAGE         31                        21     10        9

PRECIPITATION (IN)
  YESTERDAY        T             0.77 1925   0.01  -0.01      T
  MONTH TO DATE    0.34                      0.25   0.09     0.21
  SINCE OCT 1      1.81                      1.42   0.39     0.92
  SINCE JAN 1     11.77                     11.07   0.70    10.50

SNOWFALL (IN)
  YESTERDAY        T             8.9  1925   0.3   -0.3       T
  MONTH TO DATE    0.9                       4.6   -3.7      0.6
  SINCE DEC 1      0.9                       4.6   -3.7      0.6
  SINCE JUL 1     11.7                      13.4   -1.7      4.1
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       34                        44    -10       56
  MONTH TO DATE  678                       806   -128      857
  SINCE DEC 1    678                       806   -128      857
  SINCE JUL 1   2390                      2688   -298     2648

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    469                       406     63      589
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     1.8


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     64          1200 PM
 AVERAGE    80

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        55      1900
 MINIMUM TEMPERATURE (F)   11       -25      1990


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   809 AM MST   SUNSET   443 PM MST
DECEMBER 21 2014......SUNRISE   809 AM MST   SUNSET   443 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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