519  
CDUS45 KTFX 010736  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 51 305 PM 93 1906 64 -13 52  
MINIMUM 44 1159 PM 17 1985 37 7 48  
AVERAGE 48 50 -2 50  
 
PRECIPITATION (IN)  
YESTERDAY T 1.14 2022 0.05 -0.05 1.14  
MONTH TO DATE 3.28 1.39 1.89 2.38  
SINCE OCT 1 19.97 17.17 2.80 15.68  
SINCE JAN 1 17.29 14.72 2.57 13.92  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 15 2 15  
MONTH TO DATE 192 291 -99 160  
SINCE SEP 1 192 291 -99 160  
SINCE JUL 1 277 437 -160 187  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 17 18 -1 59  
SINCE SEP 1 17 18 -1 59  
SINCE JAN 1 229 228 1 402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1000 PM  
LOWEST 51 100 AM  
AVERAGE 70  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 2011  
MINIMUM TEMPERATURE (F) 37 15 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 716 AM MDT SUNSET 658 PM MDT  
OCTOBER 2 2023.......SUNRISE 718 AM MDT SUNSET 656 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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