678  
CDUS45 KTFX 220737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT TUE JUL 22 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 21 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 75 309 PM 101 1931 84 -9 84  
MINIMUM 55 124 AM 33 1926 52 3 54  
AVERAGE 65 68 -3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 1.45 1909 0.05 0.15 0.00  
MONTH TO DATE 1.40 1.29 0.11 0.51  
SINCE OCT 1 11.39 13.62 -2.23 13.78  
SINCE JAN 1 10.02 11.17 -1.15 11.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 41 55 -14 48  
SINCE JUN 1 235 281 -46 291  
SINCE JUL 1 41 55 -14 48  
 
COOLING  
YESTERDAY 0 4 -4 4  
MONTH TO DATE 58 61 -3 93  
SINCE JUN 1 61 78 -17 103  
SINCE JAN 1 64 79 -15 103    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 800 PM  
LOWEST 53 100 PM  
AVERAGE 75  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1963  
MINIMUM TEMPERATURE (F) 52 37 1914  
 
SUNRISE AND SUNSET  
JULY 22 2025..........SUNRISE 546 AM MDT SUNSET 902 PM MDT  
JULY 23 2025..........SUNRISE 547 AM MDT SUNSET 901 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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