248  
CDUS45 KTFX 180744  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT WED SEP 18 2024  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 75 1251 PM 91 2009 70 5 84  
MINIMUM 47 622 AM 23 1965 41 6 47  
AVERAGE 61 56 5 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.62 0.93 1946 0.04 0.58 0.00  
MONTH TO DATE 1.71 0.78 0.93 1.43  
SINCE OCT 1 16.61 16.56 0.05 18.12  
SINCE JAN 1 14.15 14.11 0.04 15.44  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 10 -6 0  
MONTH TO DATE 46 130 -84 61  
SINCE SEP 1 46 130 -84 61  
SINCE JUL 1 151 276 -125 146  
 
COOLING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 36 14 22 15  
SINCE SEP 1 36 14 22 15  
SINCE JAN 1 288 224 64 227    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 PM  
LOWEST 40 100 PM  
AVERAGE 67  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1966  
MINIMUM TEMPERATURE (F) 41 19 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 700 AM MDT SUNSET 722 PM MDT  
SEPTEMBER 19 2024.....SUNRISE 702 AM MDT SUNSET 720 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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