433  
CDUS45 KMSO 140737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT THU SEP 14 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 13 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 79 322 PM 89 1937 74 5 64  
2013  
MINIMUM 50 644 AM 27 1970 43 7 49  
AVERAGE 65 59 6 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1897 0.03 -0.03 0.05  
MONTH TO DATE 0.59 0.42 0.17 0.05  
SINCE OCT 1 13.39 13.57 -0.18 9.98  
SINCE JAN 1 10.53 10.13 0.40 6.73  
 
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 0 7 -7 8  
MONTH TO DATE 5 69 -64 29  
SINCE SEP 1 5 69 -64 29  
SINCE JUL 1 11 155 -144 32  
 
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 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 28 400 PM  
AVERAGE 51  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1948  
MINIMUM TEMPERATURE (F) 43 20 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 713 AM MDT SUNSET 750 PM MDT  
SEPTEMBER 15 2023.....SUNRISE 714 AM MDT SUNSET 748 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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