601  
CDUS45 KMSO 160747  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 15 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 425 PM 90 1953 73 9 75  
MINIMUM 42 643 AM 22 1970 43 -1 46  
AVERAGE 62 58 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.30 1954 0.03 -0.03 0.00  
MONTH TO DATE 0.59 0.49 0.10 0.05  
SINCE OCT 1 13.39 13.64 -0.25 9.98  
SINCE JAN 1 10.53 10.20 0.33 6.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 7 -4 4  
MONTH TO DATE 12 83 -71 38  
SINCE SEP 1 12 83 -71 38  
SINCE JUL 1 18 169 -151 41  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 11 0 49  
SINCE SEP 1 11 11 0 49  
SINCE JAN 1 536 303 233 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 700 AM  
LOWEST 24 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 1937  
2009  
MINIMUM TEMPERATURE (F) 42 27 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 715 AM MDT SUNSET 746 PM MDT  
SEPTEMBER 17 2023.....SUNRISE 716 AM MDT SUNSET 744 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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