Climatological Report (Daily)
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000
CDUS45 KTFX 170934
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
333 AM MDT THU AUG 17 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 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         88    346 PM  97    2013  85      3       95
  MINIMUM         51    606 AM  42    1954  53     -2       56
                                      1905
  AVERAGE         70                        69      1       76

PRECIPITATION (IN)
  YESTERDAY        0.00          0.79 1932   0.04  -0.04     0.00
  MONTH TO DATE    T                         0.60  -0.60     0.48
  SINCE OCT 1      8.25                      9.52  -1.27     7.46
  SINCE JAN 1      5.27                      7.95  -2.68     5.76

SNOWFALL (IN)
  YESTERDAY        0.0           T    1954   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        0
  MONTH TO DATE    2                        10     -8        5
  SINCE JUN 1     78                       173    -95       77
  SINCE JUL 1      2                        37    -35       23

 COOLING
  YESTERDAY        5                         5      0       11
  MONTH TO DATE   80                        96    -16       73
  SINCE JUN 1    508                       326    182      386
  SINCE JAN 1    517                       334    183      386
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     7.7


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    46           500 AM
 LOWEST     13           100 PM
 AVERAGE    30

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        98      2001
 MINIMUM TEMPERATURE (F)   52        38      2002
                                             1985


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   629 AM MDT   SUNSET   834 PM MDT
AUGUST 18 2017........SUNRISE   630 AM MDT   SUNSET   832 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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