939  
CDUS45 KTFX 290734  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 28 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 61 355 PM 87 1910 65 -4 86  
MINIMUM 38 602 AM 17 1984 38 0 45  
AVERAGE 50 51 -1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 2019 0.05 -0.05 0.00  
MONTH TO DATE 3.28 1.30 1.98 1.20  
SINCE OCT 1 19.97 17.08 2.89 14.50  
SINCE JAN 1 17.29 14.63 2.66 12.74  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 14 1 0  
MONTH TO DATE 162 262 -100 145  
SINCE SEP 1 162 262 -100 145  
SINCE JUL 1 247 408 -161 172  
 
COOLING  
YESTERDAY 0 0 0 1  
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 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 300 AM  
LOWEST 31 300 PM  
AVERAGE 55  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 89 1967  
MINIMUM TEMPERATURE (F) 37 19 2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 714 AM MDT SUNSET 702 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 715 AM MDT SUNSET 700 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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