377  
CDUS45 KTFX 202340  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST FRI DEC 20 2024  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 20 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 55 221 PM 60 1900 34 21 58  
MINIMUM 29 134 AM -28 1990 13 16 30  
AVERAGE 42 23 19 44  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1897 0.01 -0.01 0.00  
MONTH TO DATE 0.20 0.31 -0.11 0.18  
SINCE OCT 1 1.11 2.25 -1.14 2.30  
SINCE JAN 1 19.62 16.97 2.65 19.59  
 
DEGREE DAYS  
HEATING  
TODAY 23 42 -19 21  
MONTH TO DATE 633 800 -167 571  
SINCE DEC 1 633 800 -167 571  
SINCE JUL 1 2324 2891 -567 2391  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 298 229 69 229    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 31  
AVERAGE 46  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 60 1900  
MINIMUM TEMPERATURE (F) 13 -35 1989  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 801 AM MST SUNSET 431 PM MST  
DECEMBER 21 2024......SUNRISE 801 AM MST SUNSET 431 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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