Climatological Report (Daily)
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CDUS45 KTFX 220732
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT SUN OCT 22 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 21 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         51    301 PM  82    2003  57     -6       63
  MINIMUM         38    715 AM  15    1984  31      7       42
                                      1981
  AVERAGE         45                        44      1       53

PRECIPITATION (IN)
  YESTERDAY        0.00          0.63 1975   0.02  -0.02     0.00
  MONTH TO DATE    0.43                      0.50  -0.07     1.14
  SINCE OCT 1      0.43                      0.50  -0.07     1.14
  SINCE JAN 1      7.62                     10.15  -2.53     8.31

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1975   0.1   -0.1      0.0
  MONTH TO DATE    1.2                       1.5   -0.3      1.0
  SINCE SEP 1      1.2                       2.8   -1.6      1.0
  SINCE JUL 1      1.2                       3.1   -1.9      1.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        21     -1       12
  MONTH TO DATE  396                       365     31      366
  SINCE SEP 1    664                       602     62      576
  SINCE JUL 1    666                       671     -5      620

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     66                        23     43       13
  SINCE JAN 1    702                       406    296      455
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    10.2


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           700 AM
 LOWEST     29           200 PM
 AVERAGE    47

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        78      1915
 MINIMUM TEMPERATURE (F)   31        10      1957


SUNRISE AND SUNSET
OCTOBER 22 2017.......SUNRISE   756 AM MDT   SUNSET   628 PM MDT
OCTOBER 23 2017.......SUNRISE   757 AM MDT   SUNSET   627 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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