Climatological Report (Daily)
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CDUS45 KTFX 171015
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
415 AM MDT TUE OCT 17 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 16 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         73    319 PM  80    1991  59     14       61
                                      1927
  MINIMUM         37    328 AM  12    1946  32      5       38
  AVERAGE         55                        46      9       50

PRECIPITATION (IN)
  YESTERDAY        0.00          0.39 1908   0.02  -0.02     0.04
  MONTH TO DATE    0.43                      0.39   0.04     1.01
  SINCE OCT 1      0.43                      0.39   0.04     1.01
  SINCE JAN 1      7.62                     10.04  -2.42     8.18

SNOWFALL (IN)
  YESTERDAY        0.0           3.7  1908   0.0    0.0      0.0
  MONTH TO DATE    1.2                       1.0    0.2      1.0
  SINCE SEP 1      1.2                       2.3   -1.1      1.0
  SINCE JUL 1      1.2                       2.6   -1.4      1.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                        19     -9       15
  MONTH TO DATE  339                       262     77      276
  SINCE SEP 1    607                       499    108      486
  SINCE JUL 1    609                       568     41      530

 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    16   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.5


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           400 AM
 LOWEST     14           300 PM
 AVERAGE    45

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        80      2003
 MINIMUM TEMPERATURE (F)   32        11      1930
                                             1905


SUNRISE AND SUNSET
OCTOBER 17 2017.......SUNRISE   749 AM MDT   SUNSET   637 PM MDT
OCTOBER 18 2017.......SUNRISE   750 AM MDT   SUNSET   635 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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