343  
CDUS45 KTFX 160837  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MST MON DEC 16 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 15 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 37 247 PM 62 1980 35 2 45  
MINIMUM 24 809 PM -29 1964 13 11 19  
AVERAGE 31 24 7 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.80 1901 0.02 -0.01 0.00  
MONTH TO DATE 0.16 0.23 -0.07 0.18  
SINCE OCT 1 1.07 2.17 -1.10 2.30  
SINCE JAN 1 19.58 16.89 2.69 19.59  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 41 -7 33  
MONTH TO DATE 464 593 -129 446  
SINCE DEC 1 464 593 -129 446  
SINCE JUL 1 2155 2684 -529 2266  
 
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 30 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 AM  
LOWEST 52 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 61 1980  
MINIMUM TEMPERATURE (F) 13 -31 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 758 AM MST SUNSET 429 PM MST  
DECEMBER 17 2024......SUNRISE 759 AM MST SUNSET 430 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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