713  
CDUS45 KTFX 220734  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 21 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 54 1246 AM 92 1938 68 -14 58  
MINIMUM 43 1136 AM 19 1995 40 3 40  
AVERAGE 49 54 -5 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.65 1.76 1959 0.05 0.60 0.00  
MONTH TO DATE 2.11 0.97 1.14 1.06  
SINCE OCT 1 18.80 16.75 2.05 14.36  
SINCE JAN 1 16.12 14.30 1.82 12.60  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 11 5 16  
MONTH TO DATE 100 172 -72 111  
SINCE SEP 1 100 172 -72 111  
SINCE JUL 1 185 318 -133 138  
 
COOLING  
YESTERDAY 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 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 PM  
LOWEST 57 1200 AM  
AVERAGE 77  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 95 1905  
MINIMUM TEMPERATURE (F) 40 23 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 704 AM MDT SUNSET 716 PM MDT  
SEPTEMBER 23 2023.....SUNRISE 706 AM MDT SUNSET 714 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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