217  
CDUS45 KTFX 190742  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
142 AM MDT THU SEP 19 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 55 446 AM 90 1966 70 -15 79  
MINIMUM 51 945 PM 19 1965 41 10 52  
AVERAGE 53 55 -2 66  
 
PRECIPITATION (IN)  
YESTERDAY 4.35R 0.76 1976 0.05 4.30 0.00  
MONTH TO DATE 6.06 0.83 5.23 1.43  
SINCE OCT 1 20.96 16.61 4.35 18.12  
SINCE JAN 1 18.50 14.16 4.34 15.44  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 10 2 0  
MONTH TO DATE 58 140 -82 61  
SINCE SEP 1 58 140 -82 61  
SINCE JUL 1 163 286 -123 146  
 
COOLING  
YESTERDAY 0 0 0 1  
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 51 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 18.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 80 900 PM  
AVERAGE 90  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 1938  
MINIMUM TEMPERATURE (F) 41 22 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 702 AM MDT SUNSET 720 PM MDT  
SEPTEMBER 20 2024.....SUNRISE 703 AM MDT SUNSET 718 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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