784  
CDUS45 KTFX 210732  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
130 AM MDT FRI JUL 21 2017  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR JULY 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1866 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 98 248 PM 103 2003 87 11 92  
MINIMUM 61 522 AM 43 1898 55 6 62  
AVERAGE 80 71 9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 1881 0.04 -0.04 0.00  
MONTH TO DATE 0.19 0.81 -0.62 0.63  
SINCE OCT 1 8.25 8.54 -0.29 6.83  
SINCE JAN 1 5.27 6.97 -1.70 5.13  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1993 0.0 0.0 0.0  
2001  
1995  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 T 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 25 -25 18  
SINCE JUN 1 76 161 -85 72  
SINCE JUL 1 0 25 -25 18  
 
COOLING  
YESTERDAY 15 7 8 12  
MONTH TO DATE 235 108 127 92  
SINCE JUN 1 294 157 137 198  
SINCE JAN 1 303 165 138 198    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 500 AM  
LOWEST 9 200 PM  
AVERAGE 28  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 102 1931  
MINIMUM TEMPERATURE (F) 55 41 1949  
 
 
SUNRISE AND SUNSET  
JULY 21 2017..........SUNRISE 556 AM MDT SUNSET 912 PM MDT  
JULY 22 2017..........SUNRISE 557 AM MDT SUNSET 911 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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