811  
CDUS45 KTFX 130737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT THU JUL 13 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 12 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 81 347 PM 99 2002 81 0 88  
MINIMUM 48 451 AM 36 2008 50 -2 50  
AVERAGE 65 66 -1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 1943 0.07 -0.07 0.00  
MONTH TO DATE 0.13 0.80 -0.67 2.52  
SINCE OCT 1 16.13 13.13 3.00 11.31  
SINCE JAN 1 13.45 10.68 2.77 9.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 35 39 -4 10  
SINCE JUN 1 225 265 -40 235  
SINCE JUL 1 35 39 -4 10  
 
COOLING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 13 28 -15 27  
SINCE JUN 1 15 45 -30 45  
SINCE JAN 1 15 46 -31 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 29 300 PM  
AVERAGE 56  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 2002  
MINIMUM TEMPERATURE (F) 51 37 1909  
 
SUNRISE AND SUNSET  
JULY 13 2023..........SUNRISE 536 AM MDT SUNSET 911 PM MDT  
JULY 14 2023..........SUNRISE 537 AM MDT SUNSET 910 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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