Climatological Report (Daily)
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CDUS45 KTFX 190755
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 AM MDT SAT AUG 19 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 18 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         91    338 PM 100    2001  84      7       76
  MINIMUM         51    613 AM  39    1995  52     -1       49
                                      1954
  AVERAGE         71                        68      3       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.79 1912   0.04  -0.04     0.43
  MONTH TO DATE    T                         0.68  -0.68     0.91
  SINCE OCT 1      8.25                      9.60  -1.35     7.89
  SINCE JAN 1      5.27                      8.03  -2.76     6.19

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  1999   0.0    0.0      0.0
                                      1995
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE JUN 1      0.0                       0.1   -0.1       T
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        2
  MONTH TO DATE    2                        12    -10        7
  SINCE JUN 1     78                       175    -97       79
  SINCE JUL 1      2                        39    -37       25

 COOLING
  YESTERDAY        6                         4      2        0
  MONTH TO DATE   92                       105    -13       83
  SINCE JUN 1    520                       335    185      396
  SINCE JAN 1    529                       343    186      396
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63           600 AM
 LOWEST      8           200 PM
 AVERAGE    36

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        98      2008
 MINIMUM TEMPERATURE (F)   52        34      1995


SUNRISE AND SUNSET
AUGUST 19 2017........SUNRISE   632 AM MDT   SUNSET   830 PM MDT
AUGUST 20 2017........SUNRISE   633 AM MDT   SUNSET   829 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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