834  
CDUS45 KTFX 010739  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 31 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 80 253 PM 98 1940 78 2 95  
1991  
MINIMUM 55 1149 PM 34 1930 47 8 51  
AVERAGE 68 62 6 73  
 
PRECIPITATION (IN)  
YESTERDAY T 0.90 2008 0.05 -0.05 0.00  
MONTH TO DATE 0.63 1.22 -0.59 0.40  
SINCE OCT 1 16.25 13.43 2.82 10.21  
SINCE JAN 1 12.48 11.15 1.33 8.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE JUN 1 0.0 0.6 -0.6 0.0  
SINCE JUL 1 0.0 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 14 68 -54 4  
SINCE JUN 1 186 309 -123 195  
SINCE JUL 1 40 116 -76 13  
 
COOLING  
YESTERDAY 3 2 1 8  
MONTH TO DATE 144 120 24 236  
SINCE JUN 1 299 280 19 461  
SINCE JAN 1 304 283 21 461    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 1200 AM  
LOWEST 27 300 PM  
AVERAGE 46  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1967  
MINIMUM TEMPERATURE (F) 47 34 1930  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 644 AM MDT SUNSET 806 PM MDT  
SEPTEMBER 2 2023.....SUNRISE 645 AM MDT SUNSET 804 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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