360  
CDUS45 KTFX 212230  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
430 PM MDT FRI JUL 21 2017  
 
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR JULY 21 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1886 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 252 PM 103 1931 85 2 92  
MINIMUM 54 533 AM 40 1926 52 2 50  
AVERAGE 71 69 2 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.61 1907 0.04 -0.04 0.00  
MONTH TO DATE 0.08 1.12 -1.04 1.20  
SINCE OCT 1 12.53 11.38 1.15 13.28  
SINCE JAN 1 9.60 9.38 0.22 8.18  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.3 -0.3 T  
SINCE JUL 1 0.0 0.0 0.0 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 40 -39 44  
SINCE JUN 1 126 231 -105 152  
SINCE JUL 1 1 40 -39 44  
 
COOLING  
TODAY 6 5 1 6  
MONTH TO DATE 188 75 113 60  
SINCE JUN 1 222 107 115 103  
SINCE JAN 1 229 114 115 103    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 30 200 AM  
LOWEST 9 1200 PM  
AVERAGE 20  
   
......................................................
 
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 1960  
1936  
MINIMUM TEMPERATURE (F) 52 43 1990  
1914  
 
 
SUNRISE AND SUNSET  
JULY 21 2017..........SUNRISE 551 AM MDT SUNSET 913 PM MDT  
JULY 22 2017..........SUNRISE 552 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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