383  
CDUS45 KTFX 102240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU AUG 10 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 10 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 120 PM 100 2003 83 -6 87  
MINIMUM 53 540 AM 33 1902 51 2 62  
AVERAGE 65 67 -2 75  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 1907 0.06 -0.06 T  
MONTH TO DATE 0.31 0.52 -0.21 0.37  
SINCE OCT 1 16.49 14.61 1.88 11.78  
SINCE JAN 1 13.81 12.16 1.65 10.02  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 14 12 2 10  
SINCE JUN 1 246 303 -57 245  
SINCE JUL 1 56 77 -21 20  
 
COOLING  
TODAY 0 4 -4 10  
MONTH TO DATE 30 40 -10 64  
SINCE JUN 1 135 158 -23 229  
SINCE JAN 1 135 159 -24 229    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 29  
AVERAGE 61  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2018  
MINIMUM TEMPERATURE (F) 51 31 1896  
 
SUNRISE AND SUNSET  
AUGUST 10 2023........SUNRISE 608 AM MDT SUNSET 837 PM MDT  
AUGUST 11 2023........SUNRISE 610 AM MDT SUNSET 836 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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