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CLIGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MST FRI DEC 15 2017


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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 15 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         48    126 PM  61    1980  34     14        9
                                      1962
  MINIMUM         36   1218 AM -28    1964  15     21       -1
  AVERAGE         42                        24     18        4

PRECIPITATION (IN)
  TODAY            0.00          0.55 1921   0.01  -0.01     0.23
  MONTH TO DATE    0.05                      0.26  -0.21     0.54
  SINCE OCT 1      1.60                      1.71  -0.11     2.58
  SINCE JAN 1     13.63                     14.46  -0.83    14.10

SNOWFALL (IN)
  TODAY            0.0           5.5  1921   0.3   -0.3      4.3
  MONTH TO DATE    0.7                       4.3   -3.6     10.5
  SINCE DEC 1      0.7                       4.3   -3.6     10.5
  SINCE JUL 1     16.1                      18.0   -1.9     13.2

DEGREE DAYS
 HEATING
  TODAY           23                        41    -18       61
  MONTH TO DATE  429                       592   -163      849
  SINCE DEC 1    429                       592   -163      849
  SINCE JUL 1   2304                      2561   -257     2434

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    456                       298    158      252
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    40   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    53   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    27.8


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    47          1200 AM
 LOWEST     26          1100 AM
 AVERAGE    37

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        63      1980
 MINIMUM TEMPERATURE (F)   14       -36      1964


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   807 AM MST   SUNSET   435 PM MST
DECEMBER 16 2017......SUNRISE   807 AM MST   SUNSET   435 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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