508  
CDUS45 KTFX 120732  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 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 83 329 PM 93 1919 74 9 88  
MINIMUM 45 532 AM 29 1921 44 1 45  
1989  
AVERAGE 64 59 5 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.29 1978 0.04 -0.04 0.00  
MONTH TO DATE 0.85 0.51 0.34 0.15  
SINCE OCT 1 17.10 13.94 3.16 10.36  
SINCE JAN 1 13.33 11.66 1.67 9.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1949 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 7 -6 0  
MONTH TO DATE 30 65 -35 39  
SINCE SEP 1 30 65 -35 39  
SINCE JUL 1 70 179 -109 52  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 15 15 0 69  
SINCE SEP 1 15 15 0 69  
SINCE JAN 1 319 298 21 530    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 21 400 PM  
AVERAGE 52  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1919  
MINIMUM TEMPERATURE (F) 44 29 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 659 AM MDT SUNSET 744 PM MDT  
SEPTEMBER 13 2023.....SUNRISE 700 AM MDT SUNSET 742 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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