501  
CDUS45 KTFX 200731  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 19 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 70 513 PM 97 1942 83 -13 93  
1967  
MINIMUM 50 839 AM 40 1913 50 0 51  
1973  
2005  
AVERAGE 60 66 -6 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21 1912 0.04 -0.04 0.00  
MONTH TO DATE 0.43 0.69 -0.26 0.07  
SINCE OCT 1 16.05 12.90 3.15 9.88  
SINCE JAN 1 12.28 10.62 1.66 8.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 10 26 -16 1  
SINCE JUN 1 182 267 -85 192  
SINCE JUL 1 36 74 -38 10  
 
COOLING  
YESTERDAY 0 3 -3 7  
MONTH TO DATE 103 91 12 168  
SINCE JUN 1 258 251 7 393  
SINCE JAN 1 263 254 9 393    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 38 500 PM  
AVERAGE 61  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1931  
MINIMUM TEMPERATURE (F) 50 39 1916  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 628 AM MDT SUNSET 829 PM MDT  
AUGUST 21 2023........SUNRISE 629 AM MDT SUNSET 827 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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