237  
CDUS45 KTFX 240736  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 23 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 63 506 PM 90 1966 67 -4 70  
MINIMUM 44 1159 PM 18 1926 39 5 47  
1926  
AVERAGE 54 53 1 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.65 1920 0.05 0.08 T  
MONTH TO DATE 3.26 1.06 2.20 1.20  
SINCE OCT 1 19.95 16.84 3.11 14.50  
SINCE JAN 1 17.27 14.39 2.88 12.74  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 12 -1 6  
MONTH TO DATE 124 196 -72 125  
SINCE SEP 1 124 196 -72 125  
SINCE JUL 1 209 342 -133 152  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 14 2 58  
SINCE SEP 1 16 14 2 58  
SINCE JAN 1 228 224 4 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 58 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 1938  
2009  
MINIMUM TEMPERATURE (F) 39 6 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 707 AM MDT SUNSET 712 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 708 AM MDT SUNSET 710 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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