497  
CDUS45 KMSO 192234  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
434 PM MDT TUE SEP 19 2017  
 
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 19 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1893 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 240 PM 89 1938 72 -21 70  
MINIMUM 37 420 AM 23 1964 41 -4 40  
AVERAGE 44 56 -12 55  
 
PRECIPITATION (IN)  
TODAY 0.04 0.96 1925 0.04 0.00 T  
MONTH TO DATE 0.77 0.79 -0.02 0.64  
SINCE OCT 1 15.68 13.75 1.93 12.23  
SINCE JAN 1 11.02 10.82 0.20 8.84  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JAN 1 38.2  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 9 12 10  
MONTH TO DATE 98 117 -19 187  
SINCE SEP 1 98 117 -19 187  
SINCE JUL 1 99 201 -102 285  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 34 13 21 4  
SINCE SEP 1 34 13 21 4  
SINCE JAN 1 509 330 179 286    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 61 100 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1938  
MINIMUM TEMPERATURE (F) 40 24 1983  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2017.....SUNRISE 720 AM MDT SUNSET 739 PM MDT  
SEPTEMBER 20 2017.....SUNRISE 721 AM MDT SUNSET 737 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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