638  
CDUS45 KTFX 040734  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT MON AUG 04 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 3 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 80 342 PM 99 1961 84 -4 97  
2001  
MINIMUM 52 528 AM 33 1896 52 0 58  
AVERAGE 66 68 -2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 1960 0.05 -0.05 T  
MONTH TO DATE 0.40 0.15 0.25 T  
SINCE OCT 1 12.91 14.24 -1.33 13.79  
SINCE JAN 1 11.54 11.79 -0.25 11.33  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE JUN 1 245 294 -49 291  
SINCE JUL 1 51 68 -17 48  
 
COOLING  
YESTERDAY 1 4 -3 13  
MONTH TO DATE 5 12 -7 30  
SINCE JUN 1 84 130 -46 187  
SINCE JAN 1 87 131 -44 187    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 32 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1961  
MINIMUM TEMPERATURE (F) 52 38 1937  
 
SUNRISE AND SUNSET  
AUGUST 4 2025........SUNRISE 601 AM MDT SUNSET 846 PM MDT  
AUGUST 5 2025........SUNRISE 603 AM MDT SUNSET 844 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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