816  
CDUS45 KTFX 170834  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MST TUE DEC 17 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 16 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 33 236 PM 61 1980 35 -2 53  
MINIMUM 19 826 AM -31 1964 13 6 23  
AVERAGE 26 24 2 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.42 1929 0.02 0.02 0.00  
MONTH TO DATE 0.20 0.25 -0.05 0.18  
SINCE OCT 1 1.11 2.19 -1.08 2.30  
SINCE JAN 1 19.62 16.91 2.71 19.59  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 41 -2 27  
MONTH TO DATE 503 634 -131 473  
SINCE DEC 1 503 634 -131 473  
SINCE JUL 1 2194 2725 -531 2293  
 
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 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1100 PM  
LOWEST 45 100 PM  
AVERAGE 69  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 65 1925  
MINIMUM TEMPERATURE (F) 13 -30 1924  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 759 AM MST SUNSET 430 PM MST  
DECEMBER 18 2024......SUNRISE 800 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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