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CDUS45 KTFX 172330
CLIGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MST SUN DEC 17 2017


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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 17 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         39   1224 PM  59    1976  34      5        8
  MINIMUM         22    104 AM -27    1983  14      8      -25
                                      1924
  AVERAGE         31                        24      7       -8

PRECIPITATION (IN)
  TODAY            0.00          0.63 1973   0.02  -0.02     0.00
  MONTH TO DATE    0.07                      0.30  -0.23     0.57
  SINCE OCT 1      1.62                      1.75  -0.13     2.61
  SINCE JAN 1     13.65                     14.50  -0.85    14.13

SNOWFALL (IN)
  TODAY            0.0           5.5  1973   0.3   -0.3      0.0
  MONTH TO DATE    0.8                       4.9   -4.1     11.2
  SINCE DEC 1      0.8                       4.9   -4.1     11.2
  SINCE JUL 1     16.2                      18.6   -2.4     13.9

DEGREE DAYS
 HEATING
  TODAY           34                        41     -7       73
  MONTH TO DATE  504                       674   -170     1000
  SINCE DEC 1    504                       674   -170     1000
  SINCE JUL 1   2379                      2643   -264     2585

 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    33   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    23.2


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68          1200 AM
 LOWEST     44          1200 PM
 AVERAGE    56

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        58      1979
                                             1917
 MINIMUM TEMPERATURE (F)   14       -27      1924


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   808 AM MST   SUNSET   435 PM MST
DECEMBER 18 2017......SUNRISE   809 AM MST   SUNSET   436 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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