295  
CDUS45 KTFX 190744  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 18 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 93 347 PM 97 1964 81 12 86  
MINIMUM 62 1159 PM 33 1902 49 13 54  
AVERAGE 78 65 13 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.90 2016 0.05 -0.04 0.00  
MONTH TO DATE 0.35 0.98 -0.63 0.50  
SINCE OCT 1 16.53 15.07 1.46 11.91  
SINCE JAN 1 13.85 12.62 1.23 10.15  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 22 29 -7 10  
SINCE JUN 1 254 320 -66 245  
SINCE JUL 1 64 94 -30 20  
 
COOLING  
YESTERDAY 13 3 10 5  
MONTH TO DATE 70 66 4 124  
SINCE JUN 1 175 184 -9 289  
SINCE JAN 1 175 185 -10 289    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 PM  
LOWEST 20 200 PM  
AVERAGE 46  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 2008  
MINIMUM TEMPERATURE (F) 49 31 1907  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 620 AM MDT SUNSET 822 PM MDT  
AUGUST 20 2023........SUNRISE 621 AM MDT SUNSET 820 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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