800  
CDUS45 KTFX 160758  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
158 AM MDT MON SEP 16 2024  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 15 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 147 PM 95 2000 72 1 81  
MINIMUM 47 556 AM 29 1918 43 4 41  
1965  
1982  
AVERAGE 60 58 2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 2017 0.04 -0.04 0.00  
MONTH TO DATE 1.07 0.68 0.39 0.86  
SINCE OCT 1 14.12 14.11 0.01 17.11  
SINCE JAN 1 12.02 11.83 0.19 13.34  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1965 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 T 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 8 -3 4  
MONTH TO DATE 44 96 -52 38  
SINCE SEP 1 44 96 -52 38  
SINCE JUL 1 95 210 -115 78  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 43 19 24 17  
SINCE SEP 1 43 19 24 17  
SINCE JAN 1 367 302 65 321    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 37 100 PM  
AVERAGE 67  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2009  
MINIMUM TEMPERATURE (F) 43 27 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 705 AM MDT SUNSET 734 PM MDT  
SEPTEMBER 17 2024.....SUNRISE 706 AM MDT SUNSET 732 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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