439  
CDUS45 KTFX 210755  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
155 AM MDT MON AUG 21 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 614 PM 96 1953 84 -14 93  
1967  
MINIMUM 61 636 AM 39 1916 52 9 59  
1956  
1995  
AVERAGE 66 68 -2 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.89 1933 0.03 0.00 T  
MONTH TO DATE 0.16 0.68 -0.52 0.15  
SINCE OCT 1 11.32 10.08 1.24 7.24  
SINCE JAN 1 7.91 8.25 -0.34 5.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 1990 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE JUN 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 1 12 -11 1  
SINCE JUN 1 79 179 -100 119  
SINCE JUL 1 4 35 -31 2  
 
COOLING  
YESTERDAY 1 4 -3 11  
MONTH TO DATE 161 121 40 245  
SINCE JUN 1 464 363 101 581  
SINCE JAN 1 479 370 109 583    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1100 PM  
LOWEST 58 500 AM  
AVERAGE 72  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 1991  
2005  
2011  
MINIMUM TEMPERATURE (F) 52 38 1933  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 634 AM MDT SUNSET 828 PM MDT  
AUGUST 22 2023........SUNRISE 635 AM MDT SUNSET 826 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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