018  
CDUS45 KTFX 122240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU OCT 12 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 12 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 46 1148 AM 87 1934 58 -12 53  
MINIMUM 43 254 PM 7 2009 32 11 39  
AVERAGE 45 45 0 46  
 
PRECIPITATION (IN)  
TODAY 0.08 1.03 1981 0.04 0.04 0.00  
MONTH TO DATE 0.53 0.56 -0.03 0.53  
SINCE OCT 1 0.53 0.56 -0.03 0.53  
SINCE JAN 1 17.82 15.28 2.54 14.45  
 
DEGREE DAYS  
HEATING  
TODAY 20 20 0 19  
MONTH TO DATE 172 211 -39 161  
SINCE SEP 1 364 500 -136 321  
SINCE JUL 1 449 646 -197 348  
 
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 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 89  
AVERAGE 95  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 84 1964  
MINIMUM TEMPERATURE (F) 32 7 1969  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 732 AM MDT SUNSET 636 PM MDT  
OCTOBER 13 2023.......SUNRISE 733 AM MDT SUNSET 634 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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