Climatological Report (Daily)
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995
CDUS45 KTFX 150740
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
140 AM MDT TUE SEP 15 2026

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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 14 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61    133 PM  94    1948  74    -13       79
  MINIMUM         45   1158 PM  18    1970  45      0       47
  AVERAGE         53                        60     -7       63

PRECIPITATION (IN)
  YESTERDAY        0.00          1.05 1906   0.03  -0.03     0.43
  MONTH TO DATE    0.73                      0.47   0.26     0.43
  SINCE OCT 1     13.21                     10.91   2.30    11.81
  SINCE JAN 1     10.54                      9.08   1.46    11.05

SNOWFALL (IN)
  YESTERDAY        0.0           2.4  1982   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.3   -0.3      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       12                         6      6        2
  MONTH TO DATE   56                        68    -12       16
  SINCE SEP 1     56                        68    -12       16
  SINCE JUL 1     80                       131    -51       42

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    8                        22    -14       34
  SINCE SEP 1      8                        22    -14       34
  SINCE JAN 1    493                       427     66      465
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    11.5


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73          1000 PM
 LOWEST     40           200 PM
 AVERAGE    57

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        94      2000
 MINIMUM TEMPERATURE (F)   45        22      1970


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   706 AM MDT   SUNSET   739 PM MDT
SEPTEMBER 16 2026.....SUNRISE   707 AM MDT   SUNSET   737 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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