Climatological Report (Daily)
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191
CDUS45 KTFX 112240
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU SEP 11 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 11 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    100 PM  98    1908  73     -3       82
  MINIMUM         52        MM  11    1921  43      9       52
  AVERAGE         61                        58      3       67

PRECIPITATION (IN)
  TODAY            0.00          1.43 1978   0.04  -0.04     0.08
  MONTH TO DATE    0.15                      0.52  -0.37     0.14
  SINCE OCT 1     15.04                     16.30  -1.26    15.04
  SINCE JAN 1     13.67                     13.85  -0.18    12.58

DEGREE DAYS
 HEATING
  TODAY            4                         8     -4        0
  MONTH TO DATE   40                        75    -35        6
  SINCE SEP 1     40                        75    -35        6
  SINCE JUL 1    114                       221   -107      111

 COOLING
  TODAY            0                         1     -1        2
  MONTH TO DATE   11                        12     -1       36
  SINCE SEP 1     11                        12     -1       36
  SINCE JAN 1    163                       222    -59      288
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     6.5


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86
 LOWEST     49
 AVERAGE    68

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        91      1953
 MINIMUM TEMPERATURE (F)   43        22      1921


SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE   651 AM MDT   SUNSET   737 PM MDT
SEPTEMBER 12 2025.....SUNRISE   652 AM MDT   SUNSET   735 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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