925  
CDUS45 KTFX 182232  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
432 PM MDT SAT MAY 18 2013  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 18 2013
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1866 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 253 PM 91 2006 68 -5 65  
MINIMUM 47 155 AM 26 1903 42 5 40  
AVERAGE 55 55 0 53  
 
PRECIPITATION (IN)  
TODAY 0.02 1.10 1944 0.06 -0.04 0.00  
MONTH TO DATE 0.23 0.92 -0.69 0.13  
SINCE OCT 1 5.07 4.72 0.35 4.83  
SINCE JAN 1 1.77 3.15 -1.38 3.44  
 
SNOWFALL (IN)  
TODAY 0.0 4.6 1903 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE MAR 1 4.0 10.6 -6.6 1.4  
SINCE JUL 1 39.7 37.9 1.8 40.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 10 11 -1 12  
MONTH TO DATE 178 235 -57 221  
SINCE MAR 1 1750 1728 22 1445  
SINCE JUL 1 6869 7289 -420 6565  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 7 0 7 4  
SINCE MAR 1 7 0 7 4  
SINCE JAN 1 7 0 7 4    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.9  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 48 300 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1954  
MINIMUM TEMPERATURE (F) 42 24 1997  
 
 
SUNRISE AND SUNSET  
MAY 18 2013...........SUNRISE 550 AM MDT SUNSET 859 PM MDT  
MAY 19 2013...........SUNRISE 549 AM MDT SUNSET 901 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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