200  
CDUS45 KTFX 170741  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
141 AM MDT THU AUG 17 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 16 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 80 437 PM 98 1973 82 -2 92  
2003  
MINIMUM 60 1139 PM 32 1905 50 10 53  
AVERAGE 70 66 4 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 1911 0.06 -0.06 0.00  
MONTH TO DATE 0.34 0.87 -0.53 0.50  
SINCE OCT 1 16.52 14.96 1.56 11.91  
SINCE JAN 1 13.84 12.51 1.33 10.15  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 22 24 -2 10  
SINCE JUN 1 254 315 -61 245  
SINCE JUL 1 64 89 -25 20  
 
COOLING  
YESTERDAY 5 3 2 8  
MONTH TO DATE 45 60 -15 113  
SINCE JUN 1 150 178 -28 278  
SINCE JAN 1 150 179 -29 278    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1100 PM  
LOWEST 33 400 PM  
AVERAGE 51  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1906  
MINIMUM TEMPERATURE (F) 50 31 1910  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 617 AM MDT SUNSET 826 PM MDT  
AUGUST 18 2023........SUNRISE 619 AM MDT SUNSET 824 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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