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Climatological Report (Daily)
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CDUS45 KTFX 140745
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1245 AM MST FRI DEC 14 2018


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

...THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 13 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44    548 PM  58    1924  31     13       31
  MINIMUM         27    741 AM -22    1919  12     15       13
  AVERAGE         36                        22     14       22

PRECIPITATION (IN)
  YESTERDAY        0.00          0.48 1917   0.01  -0.01     0.10
  MONTH TO DATE    0.03                      0.18  -0.15     0.29
  SINCE OCT 1      0.78                      1.35  -0.57     1.79
  SINCE JAN 1     12.79                     11.00   1.79     8.98

SNOWFALL (IN)
  YESTERDAY        0.0           9.8  1991   0.2   -0.2      1.0
  MONTH TO DATE    0.4                       3.1   -2.7      3.1
  SINCE DEC 1      0.4                       3.1   -2.7      3.1
  SINCE JUL 1      2.8                      11.9   -9.1     11.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        43    -14       43
  MONTH TO DATE  505                       542    -37      510
  SINCE DEC 1    505                       542    -37      510
  SINCE JUL 1   2388                      2424    -36     2391

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    410                       406      4      702
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.4


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    51           900 PM
 LOWEST     32          1000 AM
 AVERAGE    42

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        63      1924
 MINIMUM TEMPERATURE (F)   12       -20      1926


SUNRISE AND SUNSET
DECEMBER 14 2018......SUNRISE   805 AM MST   SUNSET   441 PM MST
DECEMBER 15 2018......SUNRISE   805 AM MST   SUNSET   441 PM MST


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




$$
National Weather Service National Headquarters
