117  
CDUS45 KTFX 070745  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
145 AM MDT THU SEP 07 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 6 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 80 221 PM 94 1988 74 6 84  
MINIMUM 48 623 AM 21 1929 44 4 48  
AVERAGE 64 59 5 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 1930 0.05 -0.05 0.00  
MONTH TO DATE 0.39 0.29 0.10 T  
SINCE OCT 1 17.08 16.07 1.01 13.30  
SINCE JAN 1 14.40 13.62 0.78 11.54  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 7 -6 0  
MONTH TO DATE 17 37 -20 0  
SINCE SEP 1 17 37 -20 0  
SINCE JUL 1 102 183 -81 27  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 14 7 7 42  
SINCE SEP 1 14 7 7 42  
SINCE JAN 1 226 217 9 385    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 23 400 PM  
AVERAGE 55  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 100 2022  
MINIMUM TEMPERATURE (F) 44 18 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2023.....SUNRISE 645 AM MDT SUNSET 746 PM MDT  
SEPTEMBER 8 2023.....SUNRISE 646 AM MDT SUNSET 744 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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