393  
CDUS45 KTFX 112240  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON SEP 11 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 259 PM 92 1958 75 7 87  
MINIMUM 48 611 AM 27 1890 46 2 44  
AVERAGE 65 61 4 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.61 1980 0.04 -0.04 0.00  
MONTH TO DATE 1.22 0.38 0.84 T  
SINCE OCT 1 12.89 10.82 2.07 7.57  
SINCE JAN 1 9.48 8.99 0.49 6.14  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 0  
MONTH TO DATE 10 50 -40 26  
SINCE SEP 1 10 50 -40 26  
SINCE JUL 1 14 113 -99 28  
 
COOLING  
TODAY 0 1 -1 1  
MONTH TO DATE 20 19 1 78  
SINCE SEP 1 20 19 1 78  
SINCE JAN 1 572 424 148 746    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 200 AM  
LOWEST 26 300 PM  
AVERAGE 52  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 1953  
1990  
2015  
MINIMUM TEMPERATURE (F) 46 22 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 701 AM MDT SUNSET 748 PM MDT  
SEPTEMBER 12 2023.....SUNRISE 702 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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