826  
CDUS45 KTFX 152240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 15 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 76 259 PM 93 1908 71 5 75  
MINIMUM 39 616 AM 23 1916 42 -3 44  
AVERAGE 58 56 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.97 2017 0.05 -0.05 0.00  
MONTH TO DATE 1.43 0.70 0.73 0.01  
SINCE OCT 1 18.12 16.48 1.64 13.31  
SINCE JAN 1 15.44 14.03 1.41 11.55  
 
DEGREE DAYS  
HEATING  
TODAY 7 9 -2 5  
MONTH TO DATE 59 110 -51 49  
SINCE SEP 1 59 110 -51 49  
SINCE JUL 1 144 256 -112 76  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 14 14 0 58  
SINCE SEP 1 14 14 0 58  
SINCE JAN 1 226 224 2 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 19  
AVERAGE 53  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1998  
MINIMUM TEMPERATURE (F) 42 22 1912  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 655 AM MDT SUNSET 730 PM MDT  
SEPTEMBER 16 2023.....SUNRISE 657 AM MDT SUNSET 728 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page