099  
CDUS45 KTFX 120734  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT THU OCT 12 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 11 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 63 308 PM 90 1934 60 3 64  
MINIMUM 41 749 PM 10 2009 34 7 37  
AVERAGE 52 47 5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.89 1975 0.04 0.04 0.23  
MONTH TO DATE 0.59 0.43 0.16 0.52  
SINCE OCT 1 0.59 0.43 0.16 0.52  
SINCE JAN 1 15.59 12.91 2.68 11.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.2 1899 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.2 -1.2 0.0  
SINCE SEP 1 0.0 2.0 -2.0 0.0  
SINCE JUL 1 0.0 2.3 -2.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 18 -5 14  
MONTH TO DATE 124 176 -52 120  
SINCE SEP 1 287 434 -147 270  
SINCE JUL 1 327 548 -221 283  
 
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 NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 PM  
LOWEST 38 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 85 1934  
MINIMUM TEMPERATURE (F) 34 13 2009  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 740 AM MDT SUNSET 643 PM MDT  
OCTOBER 13 2023.......SUNRISE 741 AM MDT SUNSET 642 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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