298  
CDUS45 KTFX 120735  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MDT SAT AUG 12 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 11 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 78 542 PM 101 2018 83 -5 91  
MINIMUM 50 446 AM 31 1896 51 -1 61  
AVERAGE 64 67 -3 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.57 1909 0.06 -0.06 0.00  
MONTH TO DATE 0.31 0.58 -0.27 0.37  
SINCE OCT 1 16.49 14.67 1.82 11.78  
SINCE JAN 1 13.81 12.22 1.59 10.02  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 15 14 1 10  
SINCE JUN 1 247 305 -58 245  
SINCE JUL 1 57 79 -22 20  
 
COOLING  
YESTERDAY 0 4 -4 11  
MONTH TO DATE 30 44 -14 75  
SINCE JUN 1 135 162 -27 240  
SINCE JAN 1 135 163 -28 240    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 200 AM  
LOWEST 26 300 PM  
AVERAGE 48  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1940  
MINIMUM TEMPERATURE (F) 51 31 1987  
 
SUNRISE AND SUNSET  
AUGUST 12 2023........SUNRISE 611 AM MDT SUNSET 834 PM MDT  
AUGUST 13 2023........SUNRISE 612 AM MDT SUNSET 832 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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