Climatological Report (Daily)
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CDUS45 KTFX 211138
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
432 AM MST TUE FEB 21 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR FEBRUARY 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    326 PM  64    1995  40     14       45
  MINIMUM         23    526 AM -19    1986  18      5       33
  AVERAGE         39                        29     10       39

PRECIPITATION (IN)
  YESTERDAY        0.00          0.20 2011   0.01  -0.01     0.03
  MONTH TO DATE    0.52                      0.20   0.32     0.13
  SINCE OCT 1      4.12                      2.13   1.99     2.14
  SINCE JAN 1      1.14                      0.56   0.58     0.44

SNOWFALL (IN)
  YESTERDAY        0.0           3.5  1965   0.2   -0.2       T
  MONTH TO DATE    8.7                       3.7    5.0       T
  SINCE DEC 1     45.2                      17.2   28.0     11.3
  SINCE JUL 1     46.5                      26.0   20.5     14.8
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       26                        36    -10       26
  MONTH TO DATE  836                       764     72      545
  SINCE DEC 1   4039                      3400    639     3077
  SINCE JUL 1   5514                      5282    232     4706

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.7


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           100 AM
 LOWEST     45           900 PM
 AVERAGE    65

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        63      1961
 MINIMUM TEMPERATURE (F)   18       -23      1910


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   721 AM MST   SUNSET   603 PM MST
FEBRUARY 22 2017......SUNRISE   719 AM MST   SUNSET   604 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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