455  
CDUS45 KTFX 130733  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MDT TUE AUG 13 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 12 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 86 402 PM 101 1940 83 3 81  
MINIMUM 53 1111 PM 31 1987 51 2 47  
AVERAGE 70 67 3 64  
 
PRECIPITATION (IN)  
YESTERDAY T 0.64 1980 0.06 -0.06 0.03  
MONTH TO DATE 0.16 0.64 -0.48 0.34  
SINCE OCT 1 13.95 14.73 -0.78 16.52  
SINCE JAN 1 11.49 12.28 -0.79 13.84  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 24 16 8 16  
SINCE JUN 1 315 307 8 248  
SINCE JUL 1 72 81 -9 58  
 
COOLING  
YESTERDAY 5 4 1 0  
MONTH TO DATE 49 48 1 30  
SINCE JUN 1 206 166 40 135  
SINCE JAN 1 206 167 39 135    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 200 AM  
LOWEST 22 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1973  
2003  
2015  
MINIMUM TEMPERATURE (F) 51 36 1916  
 
SUNRISE AND SUNSET  
AUGUST 13 2024........SUNRISE 613 AM MDT SUNSET 831 PM MDT  
AUGUST 14 2024........SUNRISE 615 AM MDT SUNSET 829 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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