915  
CDUS45 KTFX 180732  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT WED OCT 18 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 17 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 66 932 AM 83 1927 55 11 74  
MINIMUM 41 1154 PM 5 1930 30 11 36  
AVERAGE 54 43 11 55  
 
PRECIPITATION (IN)  
YESTERDAY T 1.33 1938 0.04 -0.04 0.00  
MONTH TO DATE 0.57 0.78 -0.21 0.64  
SINCE OCT 1 0.57 0.78 -0.21 0.64  
SINCE JAN 1 17.86 15.50 2.36 14.56  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 22 -11 10  
MONTH TO DATE 250 317 -67 238  
SINCE SEP 1 442 606 -164 398  
SINCE JUL 1 527 752 -225 425  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 17 18 -1 59  
SINCE JAN 1 229 228 1 402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 100 AM  
LOWEST 23 200 PM  
AVERAGE 46  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 82 1958  
MINIMUM TEMPERATURE (F) 30 1 1905  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 740 AM MDT SUNSET 625 PM MDT  
OCTOBER 19 2023.......SUNRISE 741 AM MDT SUNSET 623 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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