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CDUS45 KTFX 151024
CLIGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
322 AM MST FRI DEC 15 2017


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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 14 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         42    220 PM  60    1924  34      8        5
  MINIMUM         23    604 AM -25    2008  15      8      -15
                                      1922
  AVERAGE         33                        24      9       -5

PRECIPITATION (IN)
  YESTERDAY        0.00          0.77 2015   0.02  -0.02     0.00
  MONTH TO DATE    0.05                      0.25  -0.20     0.31
  SINCE OCT 1      1.60                      1.70  -0.10     2.35
  SINCE JAN 1     13.63                     14.45  -0.82    13.87

SNOWFALL (IN)
  YESTERDAY        0.0           8.2  2015   0.3   -0.3      0.0
  MONTH TO DATE    0.7                       4.0   -3.3      6.2
  SINCE DEC 1      0.7                       4.0   -3.3      6.2
  SINCE JUL 1     16.1                      17.7   -1.6      8.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        41     -9       70
  MONTH TO DATE  406                       551   -145      788
  SINCE DEC 1    406                       551   -145      788
  SINCE JUL 1   2281                      2520   -239     2373

 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    26   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    15.5


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           300 AM
 LOWEST     43           100 PM
 AVERAGE    62

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        61      1980
                                             1962
 MINIMUM TEMPERATURE (F)   15       -28      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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