600  
CDUS45 KTFX 160737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT MON OCT 16 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 15 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 66 344 PM 87 1924 56 10 57  
MINIMUM 35 319 AM 14 1976 31 4 34  
AVERAGE 51 44 7 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1994 0.04 -0.04 0.11  
MONTH TO DATE 0.57 0.69 -0.12 0.64  
SINCE OCT 1 0.57 0.69 -0.12 0.64  
SINCE JAN 1 17.86 15.41 2.45 14.56  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 21 -7 19  
MONTH TO DATE 232 273 -41 211  
SINCE SEP 1 424 562 -138 371  
SINCE JUL 1 509 708 -199 398  
 
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 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 100 AM  
LOWEST 35 200 PM  
AVERAGE 62  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 85 1927  
MINIMUM TEMPERATURE (F) 31 9 1930  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 737 AM MDT SUNSET 629 PM MDT  
OCTOBER 17 2023.......SUNRISE 739 AM MDT SUNSET 627 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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