Climatological Report (Daily)
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993
CDUS45 KTFX 150740
CLILWT

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

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         MM        MM  94    1948  71     MM       78
  MINIMUM         MM        MM  19    1970  42     MM       44
  AVERAGE         MM                        57     MM       61

PRECIPITATION (IN)
  YESTERDAY       MM             0.85 1906   0.04  MM         T
  MONTH TO DATE    0.36                      0.65  -0.29     0.60
  SINCE OCT 1     16.92                     16.43   0.49    15.49
  SINCE JAN 1     14.33                     13.98   0.35    14.12

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       MM                         9     MM        4
  MONTH TO DATE   34                       101    -67       56
  SINCE SEP 1     34                       101    -67       56
  SINCE JUL 1     98                       247   -149      130

 COOLING
  YESTERDAY       MM                         0     MM        0
  MONTH TO DATE   12                        14     -2       11
  SINCE SEP 1     12                        14     -2       11
  SINCE JAN 1    333                       224    109      163
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    MM


SKY COVER
  AVERAGE SKY COVER  MM


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM
 LOWEST     MM
 AVERAGE    MM

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        93      1908
 MINIMUM TEMPERATURE (F)   42        23      1916


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   656 AM MDT   SUNSET   729 PM MDT
SEPTEMBER 16 2026.....SUNRISE   657 AM MDT   SUNSET   727 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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