089  
CDUS45 KTFX 300739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 29 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 65 304 PM 89 1967 64 1 80  
MINIMUM 39 352 AM 19 2019 37 2 50  
AVERAGE 52 51 1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1905 0.04 -0.04 0.04  
MONTH TO DATE 3.28 1.34 1.94 1.24  
SINCE OCT 1 19.97 17.12 2.85 14.54  
SINCE JAN 1 17.29 14.67 2.62 12.78  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 14 -1 0  
MONTH TO DATE 175 276 -101 145  
SINCE SEP 1 175 276 -101 145  
SINCE JUL 1 260 422 -162 172  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 17 14 3 59  
SINCE SEP 1 17 14 3 59  
SINCE JAN 1 229 224 5 402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 30 300 PM  
AVERAGE 55  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 93 1906  
MINIMUM TEMPERATURE (F) 37 17 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 715 AM MDT SUNSET 700 PM MDT  
OCTOBER 1 2023.......SUNRISE 716 AM MDT SUNSET 658 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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