159  
CDUS45 KTFX 230744  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 58 1238 PM 95 1905 68 -10 68  
MINIMUM 45 204 AM 23 2000 40 5 45  
AVERAGE 52 54 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 1.02R 0.50 1909 0.04 0.98 0.14  
MONTH TO DATE 3.13 1.01 2.12 1.20  
SINCE OCT 1 19.82 16.79 3.03 14.50  
SINCE JAN 1 17.14 14.34 2.80 12.74  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 12 1 8  
MONTH TO DATE 113 184 -71 119  
SINCE SEP 1 113 184 -71 119  
SINCE JUL 1 198 330 -132 146  
 
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 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 800 AM  
LOWEST 77 1100 AM  
AVERAGE 87  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1966  
MINIMUM TEMPERATURE (F) 39 18 1926  
1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 706 AM MDT SUNSET 714 PM MDT  
SEPTEMBER 24 2023.....SUNRISE 707 AM MDT SUNSET 712 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