Climatological Report (Daily)
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733
CDUS45 KTFX 140747
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
147 AM MDT MON SEP 14 2026

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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 13 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         70    230 PM  92    1959  75     -5       77
  MINIMUM         47    637 AM  27    1949  46      1       47
                                      1970
                                      1974
  AVERAGE         59                        60     -1       62

PRECIPITATION (IN)
  YESTERDAY        0.22          0.75 1982   0.03   0.19     0.00
  MONTH TO DATE    0.73                      0.44   0.29      T
  SINCE OCT 1     13.21                     10.88   2.33    11.38
  SINCE JAN 1     10.54                      9.05   1.49    10.62

SNOWFALL (IN)
  YESTERDAY        0.0           4.1  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        6                         6      0        3
  MONTH TO DATE   44                        62    -18       14
  SINCE SEP 1     44                        62    -18       14
  SINCE JUL 1     68                       125    -57       40

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    8                        21    -13       34
  SINCE SEP 1      8                        21    -13       34
  SINCE JAN 1    493                       426     67      465
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     7.4


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           700 PM
 LOWEST     40           200 PM
 AVERAGE    64

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        94      1948
 MINIMUM TEMPERATURE (F)   45        18      1970


SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE   705 AM MDT   SUNSET   741 PM MDT
SEPTEMBER 15 2026.....SUNRISE   706 AM MDT   SUNSET   739 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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