961  
CDUS45 KTFX 210835  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MST SAT DEC 21 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
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)  
YESTERDAY  
MAXIMUM 55 221 PM 60 1900 34 21 58  
MINIMUM 29 848 PM -28 1990 13 16 30  
AVERAGE 42 23 19 44  
 
PRECIPITATION (IN)  
YESTERDAY 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  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 800 PM  
LOWEST 31 200 PM  
AVERAGE 53  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 60 1900  
MINIMUM TEMPERATURE (F) 13 -35 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 801 AM MST SUNSET 431 PM MST  
DECEMBER 22 2024......SUNRISE 802 AM MST SUNSET 432 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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