378  
CDUS45 KTFX 220732  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 21 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 79 426 PM 95 1991 83 -4 91  
2005  
2011  
MINIMUM 61 827 AM 38 1933 52 9 66  
AVERAGE 70 67 3 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 1.82 1983 0.03 0.30 0.01  
MONTH TO DATE 0.49 0.71 -0.22 0.16  
SINCE OCT 1 11.65 10.11 1.54 7.25  
SINCE JAN 1 8.24 8.28 -0.04 5.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0  
1999  
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 14 -13 1  
SINCE JUN 1 79 181 -102 119  
SINCE JUL 1 4 37 -33 2  
 
COOLING  
YESTERDAY 5 4 1 14  
MONTH TO DATE 166 125 41 259  
SINCE JUN 1 469 367 102 595  
SINCE JAN 1 484 374 110 597    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 56 400 PM  
AVERAGE 75  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 2006  
MINIMUM TEMPERATURE (F) 51 33 1992  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 635 AM MDT SUNSET 826 PM MDT  
AUGUST 23 2023........SUNRISE 636 AM MDT SUNSET 824 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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