Climatological Report (Daily)
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CDUS45 KTFX 182240
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI SEP 18 2026

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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         77    220 PM  91    1966  73      4       78
  MINIMUM         50    318 AM  19    1965  44      6       45
  AVERAGE         64                        58      6       62

PRECIPITATION (IN)
  TODAY            0.00          2.10 1882   0.03  -0.03     0.00
  MONTH TO DATE    0.73                      0.60   0.13     0.57
  SINCE OCT 1     13.21                     11.04   2.17    11.95
  SINCE JAN 1     10.54                      9.21   1.33    11.19

DEGREE DAYS
 HEATING
  TODAY            1                         7     -6        3
  MONTH TO DATE   79                        95    -16       34
  SINCE SEP 1     79                        95    -16       34
  SINCE JUL 1    103                       158    -55       60

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    8                        26    -18       34
  SINCE SEP 1      8                        26    -18       34
  SINCE JAN 1    493                       431     62      465
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     3.3


SKY COVER
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     36           300 PM
 AVERAGE    61

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


THE HELENA MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        94      2009
 MINIMUM TEMPERATURE (F)   44        25      1965


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   710 AM MDT   SUNSET   733 PM MDT
SEPTEMBER 19 2026.....SUNRISE   711 AM MDT   SUNSET   731 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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