303  
CDUS45 KMSO 100740  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 9 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 81 355 PM 92 1981 76 5 71  
MINIMUM 46 649 AM 28 1962 44 2 43  
AVERAGE 64 60 4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 1931 0.03 -0.03 0.00  
MONTH TO DATE 0.59 0.29 0.30 T  
SINCE OCT 1 13.39 13.44 -0.05 9.93  
SINCE JAN 1 10.53 10.00 0.53 6.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 6 -5 8  
MONTH TO DATE 5 43 -38 8  
SINCE SEP 1 5 43 -38 8  
SINCE JUL 1 11 129 -118 11  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 9 -1 49  
SINCE SEP 1 8 9 -1 49  
SINCE JAN 1 533 301 232 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.8  
 
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 86 400 AM  
LOWEST 29 400 PM  
AVERAGE 58  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1935  
MINIMUM TEMPERATURE (F) 44 28 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 707 AM MDT SUNSET 758 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 709 AM MDT SUNSET 756 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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