799  
CDUS45 KTFX 190739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT THU OCT 19 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 18 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 71 222 PM 82 1958 55 16 75  
MINIMUM 36 539 AM 1 1905 30 6 37  
AVERAGE 54 42 12 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 1949 0.04 -0.04 0.00  
MONTH TO DATE 0.57 0.82 -0.25 0.64  
SINCE OCT 1 0.57 0.82 -0.25 0.64  
SINCE JAN 1 17.86 15.54 2.32 14.56  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 23 -12 9  
MONTH TO DATE 261 340 -79 247  
SINCE SEP 1 453 629 -176 407  
SINCE JUL 1 538 775 -237 434  
 
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 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 500 AM  
LOWEST 28 400 PM  
AVERAGE 44  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 82 1927  
MINIMUM TEMPERATURE (F) 30 -4 1905  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 741 AM MDT SUNSET 623 PM MDT  
OCTOBER 20 2023.......SUNRISE 743 AM MDT SUNSET 622 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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