Climatological Report (Daily)
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770
CDUS45 KTFX 220731
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT TUE SEP 22 2026

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 21 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  92    1938  68     MM       83
  MINIMUM         MM        MM  19    1995  40     MM       43
  AVERAGE         MM                        54     MM       63

PRECIPITATION (IN)
  YESTERDAY        0.00          1.76 1959   0.05  -0.05     0.02
  MONTH TO DATE    0.57                      0.97  -0.40     0.94
  SINCE OCT 1     17.13                     16.75   0.38    15.83
  SINCE JAN 1     14.54                     14.30   0.24    14.46

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       MM                        11     MM        2
  MONTH TO DATE   72                       172   -100       85
  SINCE SEP 1     72                       172   -100       85
  SINCE JUL 1    136                       318   -182      159

 COOLING
  YESTERDAY       MM                         0     MM        0
  MONTH TO DATE   17                        14      3       11
  SINCE SEP 1     17                        14      3       11
  SINCE JAN 1    338                       224    114      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)   68        95      1905
 MINIMUM TEMPERATURE (F)   40        23      2000


SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE   705 AM MDT   SUNSET   715 PM MDT
SEPTEMBER 23 2026.....SUNRISE   706 AM MDT   SUNSET   713 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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