090  
CDUS45 KMSO 300738  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 29 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 65 328 PM 87 1938 66 -1 72  
MINIMUM 36 613 AM 20 1985 38 -2 50  
AVERAGE 51 52 -1 61  
 
PRECIPITATION (IN)  
YESTERDAY T 0.36 1909 0.03 -0.03 0.06  
MONTH TO DATE 1.16 0.93 0.23 1.41  
SINCE OCT 1 13.96 14.08 -0.12 11.34  
SINCE JAN 1 11.10 10.64 0.46 8.09  
 
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 14 13 1 4  
MONTH TO DATE 134 226 -92 105  
SINCE SEP 1 134 226 -92 105  
SINCE JUL 1 140 312 -172 108  
 
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 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 800 AM  
LOWEST 36 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 1912  
MINIMUM TEMPERATURE (F) 38 20 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 734 AM MDT SUNSET 718 PM MDT  
OCTOBER 1 2023.......SUNRISE 735 AM MDT SUNSET 716 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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