861  
CDUS45 KTFX 050738  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MDT TUE AUG 05 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 4 2025
 
 
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)  
YESTERDAY  
MAXIMUM 83 408 PM 98 1961 84 -1 86  
MINIMUM 56 415 AM 38 1937 52 4 60  
AVERAGE 70 68 2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.49 2002 0.05 -0.02 0.02  
MONTH TO DATE 0.43 0.20 0.23 0.02  
SINCE OCT 1 12.94 14.29 -1.35 13.81  
SINCE JAN 1 11.57 11.84 -0.27 11.35  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE JUN 1 245 295 -50 291  
SINCE JUL 1 51 69 -18 48  
 
COOLING  
YESTERDAY 5 4 1 8  
MONTH TO DATE 10 16 -6 38  
SINCE JUN 1 89 134 -45 195  
SINCE JAN 1 92 135 -43 195    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1100 PM  
LOWEST 35 400 PM  
AVERAGE 58  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 103 1961  
MINIMUM TEMPERATURE (F) 52 35 1940  
 
SUNRISE AND SUNSET  
AUGUST 5 2025........SUNRISE 603 AM MDT SUNSET 844 PM MDT  
AUGUST 6 2025........SUNRISE 604 AM MDT SUNSET 843 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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