490  
CDUS45 KTFX 210738  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MDT SAT SEP 21 2024  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 71 223 PM 92 1922 69 2 64  
MINIMUM 42 1159 PM 18 1983 40 2 36  
AVERAGE 57 54 3 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1919 0.05 -0.05 0.01  
MONTH TO DATE 6.07 0.92 5.15 1.46  
SINCE OCT 1 20.97 16.70 4.27 18.15  
SINCE JAN 1 18.51 14.25 4.26 15.47  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11 -3 15  
MONTH TO DATE 73 161 -88 84  
SINCE SEP 1 73 161 -88 84  
SINCE JUL 1 178 307 -129 169  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 36 14 22 16  
SINCE SEP 1 36 14 22 16  
SINCE JAN 1 288 224 64 228    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 16.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1100 PM  
LOWEST 21 400 PM  
AVERAGE 52  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1938  
MINIMUM TEMPERATURE (F) 40 19 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 704 AM MDT SUNSET 716 PM MDT  
SEPTEMBER 22 2024.....SUNRISE 705 AM MDT SUNSET 714 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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