008  
CDUS45 KTFX 110743  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
143 AM MDT FRI AUG 11 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 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 77 413 PM 100 2003 83 -6 87  
MINIMUM 53 1155 PM 33 1902 51 2 62  
AVERAGE 65 67 -2 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1907 0.06 -0.06 T  
MONTH TO DATE 0.31 0.52 -0.21 0.37  
SINCE OCT 1 16.49 14.61 1.88 11.78  
SINCE JAN 1 13.81 12.16 1.65 10.02  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 14 12 2 10  
SINCE JUN 1 246 303 -57 245  
SINCE JUL 1 56 77 -21 20  
 
COOLING  
YESTERDAY 0 4 -4 10  
MONTH TO DATE 30 40 -10 64  
SINCE JUN 1 135 158 -23 229  
SINCE JAN 1 135 159 -24 229    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 25 500 PM  
AVERAGE 59  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2018  
MINIMUM TEMPERATURE (F) 51 31 1896  
 
SUNRISE AND SUNSET  
AUGUST 11 2023........SUNRISE 610 AM MDT SUNSET 836 PM MDT  
AUGUST 12 2023........SUNRISE 611 AM MDT SUNSET 834 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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