240  
CDUS45 KTFX 240736  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 23 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 339 PM 93 1966 69 1 71  
MINIMUM 47 1159 PM 16 2000 41 6 47  
AVERAGE 59 55 4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 0.90 2007 0.04 0.33 0.02  
MONTH TO DATE 2.49 1.03 1.46 0.93  
SINCE OCT 1 18.74 14.46 4.28 11.14  
SINCE JAN 1 14.97 12.18 2.79 9.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1984 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.7 -0.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 11 -5 6  
MONTH TO DATE 102 172 -70 121  
SINCE SEP 1 102 172 -70 121  
SINCE JUL 1 142 286 -144 134  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 24 24 0 70  
SINCE SEP 1 24 24 0 70  
SINCE JAN 1 328 307 21 531    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 31 400 PM  
AVERAGE 66  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 2009  
MINIMUM TEMPERATURE (F) 41 10 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 715 AM MDT SUNSET 719 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 716 AM MDT SUNSET 717 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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