216  
CDUS45 KTFX 210740  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
140 AM MDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 20 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 76 150 PM 84 1927 54 22 73  
MINIMUM 43 1159 PM 10 1916 29 14 36  
AVERAGE 60 42 18 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1958 0.04 -0.04 0.00  
MONTH TO DATE 0.57 0.90 -0.33 0.64  
SINCE OCT 1 0.57 0.90 -0.33 0.64  
SINCE JAN 1 17.86 15.62 2.24 14.56  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 23 -18 10  
MONTH TO DATE 267 386 -119 268  
SINCE SEP 1 459 675 -216 428  
SINCE JUL 1 544 821 -277 455  
 
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 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 200 AM  
LOWEST 21 100 PM  
AVERAGE 39  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 81 1927  
MINIMUM TEMPERATURE (F) 29 5 1930  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 744 AM MDT SUNSET 620 PM MDT  
OCTOBER 22 2023.......SUNRISE 746 AM MDT SUNSET 618 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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