273  
CDUS45 KTFX 120732  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 319 PM 98 1908 73 5 87  
MINIMUM 45 514 AM 11 1921 43 2 41  
AVERAGE 62 58 4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1978 0.04 -0.04 0.00  
MONTH TO DATE 1.42 0.52 0.90 0.01  
SINCE OCT 1 18.11 16.30 1.81 13.31  
SINCE JAN 1 15.43 13.85 1.58 11.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 8 -5 1  
MONTH TO DATE 40 75 -35 36  
SINCE SEP 1 40 75 -35 36  
SINCE JUL 1 125 221 -96 63  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 12 2 55  
SINCE SEP 1 14 12 2 55  
SINCE JAN 1 226 222 4 398    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 600 AM  
LOWEST 20 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1953  
MINIMUM TEMPERATURE (F) 43 22 1921  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 651 AM MDT SUNSET 736 PM MDT  
SEPTEMBER 13 2023.....SUNRISE 653 AM MDT SUNSET 734 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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