Climatological Report (Daily)
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CDUS45 KTFX 180918
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
317 AM MDT WED OCT 18 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 17 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         75    317 PM  80    2003  58     17       56
  MINIMUM         36    715 AM  11    1930  32      4       37
                                      1905
  AVERAGE         56                        45     11       47

PRECIPITATION (IN)
  YESTERDAY        0.00          0.53 1916   0.03  -0.03     0.01
  MONTH TO DATE    0.43                      0.42   0.01     1.02
  SINCE OCT 1      0.43                      0.42   0.01     1.02
  SINCE JAN 1      7.62                     10.07  -2.45     8.19

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1916   0.1   -0.1      0.0
  MONTH TO DATE    1.2                       1.1    0.1      1.0
  SINCE SEP 1      1.2                       2.4   -1.2      1.0
  SINCE JUL 1      1.2                       2.7   -1.5      1.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                        20    -11       18
  MONTH TO DATE  348                       282     66      294
  SINCE SEP 1    616                       519     97      504
  SINCE JUL 1    618                       588     30      548

 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    33   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.7


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           700 AM
 LOWEST     12           100 PM
 AVERAGE    41

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        82      2003
                                             1958
 MINIMUM TEMPERATURE (F)   32         7      1905


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   750 AM MDT   SUNSET   635 PM MDT
OCTOBER 19 2017.......SUNRISE   752 AM MDT   SUNSET   633 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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