518  
CDUS45 KTFX 310737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT THU AUG 31 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 30 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 77 106 PM 96 1929 77 0 90  
1954  
MINIMUM 53 553 AM 30 1912 46 7 50  
AVERAGE 65 62 3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.70 1907 0.06 -0.05 0.00  
MONTH TO DATE 0.51 1.64 -1.13 1.89  
SINCE OCT 1 16.69 15.73 0.96 13.30  
SINCE JAN 1 14.01 13.28 0.73 11.54  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 41 76 -35 17  
SINCE JUN 1 273 367 -94 252  
SINCE JUL 1 83 141 -58 27  
 
COOLING  
YESTERDAY 0 2 -2 5  
MONTH TO DATE 107 91 16 170  
SINCE JUN 1 212 209 3 335  
SINCE JAN 1 212 210 2 335    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 17.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 300 AM  
LOWEST 22 200 PM  
AVERAGE 52  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 99 2016  
MINIMUM TEMPERATURE (F) 46 34 1930  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 636 AM MDT SUNSET 800 PM MDT  
SEPTEMBER 1 2023.....SUNRISE 637 AM MDT SUNSET 758 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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