259  
CDUS45 KTFX 170741  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
141 AM MDT THU AUG 17 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 16 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 84 503 PM 101 2013 84 0 96  
MINIMUM 60 1152 PM 39 2002 51 9 52  
AVERAGE 72 67 5 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1985 0.04 -0.04 0.00  
MONTH TO DATE 0.43 0.57 -0.14 0.07  
SINCE OCT 1 16.05 12.78 3.27 9.88  
SINCE JAN 1 12.28 10.50 1.78 8.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 5 20 -15 1  
SINCE JUN 1 177 261 -84 192  
SINCE JUL 1 31 68 -37 10  
 
COOLING  
YESTERDAY 7 4 3 9  
MONTH TO DATE 82 80 2 148  
SINCE JUN 1 237 240 -3 373  
SINCE JAN 1 242 243 -1 373    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 600 AM  
LOWEST 30 600 PM  
AVERAGE 48  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 2020  
MINIMUM TEMPERATURE (F) 50 36 2002  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 624 AM MDT SUNSET 834 PM MDT  
AUGUST 18 2023........SUNRISE 625 AM MDT SUNSET 832 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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