994  
CDUS45 KTFX 100741  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
141 AM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 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 72 422 PM 92 1981 75 -3 57  
MINIMUM 44 545 AM 31 1992 45 -1 35  
AVERAGE 58 60 -2 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.62 1965 0.04 -0.04 0.04  
MONTH TO DATE 0.85 0.42 0.43 0.15  
SINCE OCT 1 17.10 13.85 3.25 10.36  
SINCE JAN 1 13.33 11.57 1.76 9.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1989 0.0 0.0 0.0  
2014  
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 7 7 0 19  
MONTH TO DATE 22 51 -29 28  
SINCE SEP 1 22 51 -29 28  
SINCE JUL 1 62 165 -103 41  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 15 13 2 67  
SINCE SEP 1 15 13 2 67  
SINCE JAN 1 319 296 23 528    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 38 400 PM  
AVERAGE 68  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 1935  
1966  
MINIMUM TEMPERATURE (F) 44 29 1921  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 656 AM MDT SUNSET 748 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 657 AM MDT SUNSET 746 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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