630  
CDUS45 KTFX 090732  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 8 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 73 237 PM 95 1979 74 -1 77  
MINIMUM 48 1159 PM 19 1929 44 4 43  
AVERAGE 61 59 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 1.37 1896 0.04 0.94 0.01  
MONTH TO DATE 1.42 0.38 1.04 0.01  
SINCE OCT 1 18.11 16.16 1.95 13.31  
SINCE JAN 1 15.43 13.71 1.72 11.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 7 -3 5  
MONTH TO DATE 23 51 -28 5  
SINCE SEP 1 23 51 -28 5  
SINCE JUL 1 108 197 -89 32  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 9 5 55  
SINCE SEP 1 14 9 5 55  
SINCE JAN 1 226 219 7 398    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 41 300 PM  
AVERAGE 67  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 1909  
MINIMUM TEMPERATURE (F) 44 13 1896  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 647 AM MDT SUNSET 742 PM MDT  
SEPTEMBER 10 2023.....SUNRISE 649 AM MDT SUNSET 740 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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