Climatological Report (Daily)
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CDUS45 KTFX 212230
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MDT THU SEP 21 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 21 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         54    130 PM  90    1967  70    -16       53
                                      1966
  MINIMUM         37    441 AM  20    1995  41     -4       47
  AVERAGE         46                        56    -10       50

PRECIPITATION (IN)
  TODAY            0.00          1.30 1937   0.04  -0.04     0.18
  MONTH TO DATE    1.78                      0.81   0.97     0.74
  SINCE OCT 1     10.03                     10.93  -0.90     8.64
  SINCE JAN 1      7.05                      9.36  -2.31     6.94

SNOWFALL (IN)
  TODAY            0.0           1.6  1968   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.8   -0.8      0.0
  SINCE SEP 1      0.0                       0.8   -0.8      0.0
  SINCE JUL 1      0.0                       1.1   -1.1      0.0

DEGREE DAYS
 HEATING
  TODAY           19                        10      9       15
  MONTH TO DATE  139                       135      4      163
  SINCE SEP 1    139                       135      4      163
  SINCE JUL 1    141                       204    -63      207

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   66                        22     44       12
  SINCE SEP 1     66                        22     44       12
  SINCE JAN 1    702                       405    297      454
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     4.5


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           400 AM
 LOWEST     35           300 PM
 AVERAGE    59

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


THE HELENA MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        89      1966
 MINIMUM TEMPERATURE (F)   41        21      1934


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   714 AM MDT   SUNSET   727 PM MDT
SEPTEMBER 22 2017.....SUNRISE   715 AM MDT   SUNSET   725 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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