740  
CDUS45 KTFX 202240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT WED SEP 20 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 64 211 PM 92 1922 69 -5 48  
MINIMUM 36 646 AM 18 1983 40 -4 41  
AVERAGE 50 54 -4 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1919 0.05 -0.05 0.26  
MONTH TO DATE 1.45 0.92 0.53 1.06  
SINCE OCT 1 18.14 16.70 1.44 14.36  
SINCE JAN 1 15.46 14.25 1.21 12.60  
 
DEGREE DAYS  
HEATING  
TODAY 15 11 4 20  
MONTH TO DATE 84 161 -77 95  
SINCE SEP 1 84 161 -77 95  
SINCE JUL 1 169 307 -138 122  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 16 14 2 58  
SINCE SEP 1 16 14 2 58  
SINCE JAN 1 228 224 4 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 31  
AVERAGE 57  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1938  
MINIMUM TEMPERATURE (F) 40 19 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 702 AM MDT SUNSET 720 PM MDT  
SEPTEMBER 21 2023.....SUNRISE 703 AM MDT SUNSET 718 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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