358  
CDUS45 KTFX 160735  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MDT WED AUG 16 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 15 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 94 429 PM 99 1990 82 12 88  
MINIMUM 52 510 AM 33 1943 50 2 52  
AVERAGE 73 66 7 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 1968 0.06 -0.06 0.03  
MONTH TO DATE 0.34 0.81 -0.47 0.50  
SINCE OCT 1 16.52 14.90 1.62 11.91  
SINCE JAN 1 13.84 12.45 1.39 10.15  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 22 22 0 10  
SINCE JUN 1 254 313 -59 245  
SINCE JUL 1 64 87 -23 20  
 
COOLING  
YESTERDAY 8 3 5 5  
MONTH TO DATE 40 57 -17 105  
SINCE JUN 1 145 175 -30 270  
SINCE JAN 1 145 176 -31 270    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)  
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 61 400 AM  
LOWEST 17 200 PM  
AVERAGE 39  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1973  
2003  
MINIMUM TEMPERATURE (F) 50 32 1905  
 
SUNRISE AND SUNSET  
AUGUST 16 2023........SUNRISE 616 AM MDT SUNSET 827 PM MDT  
AUGUST 17 2023........SUNRISE 617 AM MDT SUNSET 826 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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