797  
CDUS45 KTFX 110731  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MDT MON SEP 11 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 10 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 72 353 PM 91 1966 73 -1 72  
MINIMUM 45 627 AM 16 1896 43 2 34  
AVERAGE 59 58 1 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1903 0.05 -0.05 0.00  
MONTH TO DATE 1.42 0.48 0.94 0.01  
SINCE OCT 1 18.11 16.26 1.85 13.31  
SINCE JAN 1 15.43 13.81 1.62 11.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 12  
MONTH TO DATE 37 67 -30 35  
SINCE SEP 1 37 67 -30 35  
SINCE JUL 1 122 213 -91 62  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 11 3 55  
SINCE SEP 1 14 11 3 55  
SINCE JAN 1 226 221 5 398    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 AM  
LOWEST 34 300 PM  
AVERAGE 62  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 98 1908  
MINIMUM TEMPERATURE (F) 43 11 1921  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 650 AM MDT SUNSET 738 PM MDT  
SEPTEMBER 12 2023.....SUNRISE 651 AM MDT SUNSET 736 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page