773  
CDUS45 KTFX 172240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 17 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 66 932 AM 83 1927 55 11 74  
MINIMUM 45 614 AM 5 1930 30 15 36  
AVERAGE 56 43 13 55  
 
PRECIPITATION (IN)  
TODAY 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  
 
DEGREE DAYS  
HEATING  
TODAY 9 22 -13 10  
MONTH TO DATE 248 317 -69 238  
SINCE SEP 1 440 606 -166 398  
SINCE JUL 1 525 752 -227 425  
 
COOLING  
TODAY 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 12.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68  
LOWEST 23  
AVERAGE 46  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 82 1958  
MINIMUM TEMPERATURE (F) 30 1 1905  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 739 AM MDT SUNSET 627 PM MDT  
OCTOBER 18 2023.......SUNRISE 740 AM MDT SUNSET 625 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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