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CDUS45 KTFX 140828
CLIGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
128 AM MST THU DEC 14 2017


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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 13 2017...

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)
 YESTERDAY
  MAXIMUM         39    323 PM  59    1921  34      5        4
  MINIMUM         22   1058 PM -29    1922  15      7      -16
  AVERAGE         31                        25      6       -6

PRECIPITATION (IN)
  YESTERDAY        0.00          0.51 1906   0.02  -0.02     0.00
  MONTH TO DATE    0.05                      0.23  -0.18     0.31
  SINCE OCT 1      1.60                      1.68  -0.08     2.35
  SINCE JAN 1     13.63                     14.43  -0.80    13.87

SNOWFALL (IN)
  YESTERDAY        0.0           6.6  2008   0.3   -0.3      0.0
  MONTH TO DATE    0.7                       3.7   -3.0      6.2
  SINCE DEC 1      0.7                       3.7   -3.0      6.2
  SINCE JUL 1     16.1                      17.4   -1.3      8.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        40     -6       71
  MONTH TO DATE  374                       510   -136      718
  SINCE DEC 1    374                       510   -136      718
  SINCE JUL 1   2249                      2479   -230     2303

 COOLING
  YESTERDAY        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    14   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 PM
 LOWEST     38           100 AM
 AVERAGE    65

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      1924
 MINIMUM TEMPERATURE (F)   15       -25      2008
                                             1922


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   806 AM MST   SUNSET   435 PM MST
DECEMBER 15 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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