451  
CDUS45 KTFX 100733  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 9 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 80 319 PM 84 1971 61 19 71  
MINIMUM 43 401 AM 6 1985 35 8 35  
AVERAGE 62 48 14 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1938 0.03 -0.03 0.00  
MONTH TO DATE 0.46 0.35 0.11 0.29  
SINCE OCT 1 0.46 0.35 0.11 0.29  
SINCE JAN 1 15.46 12.83 2.63 11.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.2 1977 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.0 -1.0 0.0  
SINCE SEP 1 0.0 1.8 -1.8 0.0  
SINCE JUL 1 0.0 2.1 -2.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 17 -14 12  
MONTH TO DATE 108 140 -32 100  
SINCE SEP 1 271 398 -127 250  
SINCE JUL 1 311 512 -201 263  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 25 4 74  
SINCE JAN 1 333 308 25 535    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 400 AM  
LOWEST 18 300 PM  
AVERAGE 49  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 86 1934  
MINIMUM TEMPERATURE (F) 35 0 2019  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 737 AM MDT SUNSET 647 PM MDT  
OCTOBER 11 2023.......SUNRISE 738 AM MDT SUNSET 645 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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