231  
CDUS45 KTFX 210732  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT SAT JUN 21 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JUNE 20 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 68 328 PM 96 1988 72 -4 72  
MINIMUM 52 1159 PM 27 1929 46 6 38  
AVERAGE 60 59 1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 1.30 1903 0.11 0.27 0.22  
MONTH TO DATE 2.22 2.45 -0.23 2.03  
SINCE OCT 1 9.28 11.43 -2.15 12.51  
SINCE JAN 1 7.91 8.98 -1.07 10.05  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 7 -2 10  
MONTH TO DATE 131 171 -40 187  
SINCE JUN 1 131 171 -40 187  
SINCE JUL 1 7633 8123 -490 7702  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 4  
SINCE JUN 1 2 0 2 4  
SINCE JAN 1 5 1 4 4    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 PM  
LOWEST 52 400 PM  
AVERAGE 74  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 105 1900  
MINIMUM TEMPERATURE (F) 46 32 1926  
 
SUNRISE AND SUNSET  
JUNE 21 2025..........SUNRISE 523 AM MDT SUNSET 917 PM MDT  
JUNE 22 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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