Climatological Report (Daily)
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CDUS45 KTFX 210855
CLIGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
255 AM MDT SAT OCT 21 2017


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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 20 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         65    956 AM  81    1974  56      9       61
  MINIMUM         38   1132 PM  16    1984  32      6       33
  AVERAGE         52                        44      8       47

PRECIPITATION (IN)
  YESTERDAY        0.01          0.53 1908   0.02  -0.01     0.00
  MONTH TO DATE    0.29                      0.61  -0.32     1.31
  SINCE OCT 1      0.29                      0.61  -0.32     1.31
  SINCE JAN 1     12.32                     13.36  -1.04    12.83

SNOWFALL (IN)
  YESTERDAY        0.0           4.4  1996   0.1   -0.1      0.0
  MONTH TO DATE    1.7                       2.2   -0.5      1.5
  SINCE SEP 1      1.7                       3.4   -1.7      1.5
  SINCE JUL 1      1.7                       3.7   -2.0      1.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        21     -8       18
  MONTH TO DATE  374                       357     17      403
  SINCE SEP 1    659                       643     16      686
  SINCE JUL 1    688                       764    -76      787

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     47                        21     26       10
  SINCE JAN 1    456                       297    159      252
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    15.1


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           600 PM
 LOWEST     17           300 AM
 AVERAGE    42

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        80      1915
                                             1897
 MINIMUM TEMPERATURE (F)   31        10      1930


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   753 AM MDT   SUNSET   626 PM MDT
OCTOBER 22 2017.......SUNRISE   755 AM MDT   SUNSET   624 PM MDT


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




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