255  
CDUS45 KTFX 020738  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MDT MON OCT 02 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 1 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 51 131 PM 87 1997 66 -15 54  
2001  
MINIMUM 46 1159 PM 15 1950 40 6 52  
AVERAGE 49 53 -4 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.67 2022 0.03 0.02 0.67  
MONTH TO DATE 0.05 0.03 0.02 0.67  
SINCE OCT 1 0.05 0.03 0.02 0.67  
SINCE JAN 1 11.01 9.60 1.41 8.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1900 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.5 -0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 12 4 12  
MONTH TO DATE 16 12 4 12  
SINCE SEP 1 137 222 -85 113  
SINCE JUL 1 141 285 -144 115  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 36 28 8 83  
SINCE JAN 1 588 433 155 751    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 700 PM  
LOWEST 71 1200 AM  
AVERAGE 80  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 85 1992  
MINIMUM TEMPERATURE (F) 39 19 1891  
1950  
 
SUNRISE AND SUNSET  
OCTOBER 2 2023.......SUNRISE 728 AM MDT SUNSET 706 PM MDT  
OCTOBER 3 2023.......SUNRISE 729 AM MDT SUNSET 704 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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