366  
CDUS45 KTFX 220734  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT SUN JUN 22 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JUNE 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 65 439 PM 105 1900 73 -8 67  
MINIMUM 46 1159 PM 32 1926 46 0 45  
AVERAGE 56 59 -3 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.41 1.05 1923 0.10 0.31 0.20  
MONTH TO DATE 2.63 2.55 0.08 2.23  
SINCE OCT 1 9.69 11.53 -1.84 12.71  
SINCE JAN 1 8.32 9.08 -0.76 10.25  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 6 3 9  
MONTH TO DATE 140 177 -37 196  
SINCE JUN 1 140 177 -37 196  
SINCE JUL 1 7642 8129 -487 7711  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 1 1 4  
SINCE JUN 1 2 1 1 4  
SINCE JAN 1 5 2 3 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 28 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 98 1919  
MINIMUM TEMPERATURE (F) 46 33 1942  
 
SUNRISE AND SUNSET  
JUNE 22 2025..........SUNRISE 523 AM MDT SUNSET 917 PM MDT  
JUNE 23 2025..........SUNRISE 523 AM MDT SUNSET 917 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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