709  
CDUS45 KMSO 202230  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR OCTOBER 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74R 259 PM 72 1897 53 21 57  
MINIMUM 39 625 AM 18 1895 31 8 28  
1905  
1976  
AVERAGE 57 42 15 43  
 
PRECIPITATION (IN)  
TODAY 0.00 0.43 1899 0.04 -0.04 T  
MONTH TO DATE 0.44 0.72 -0.28 0.01  
SINCE OCT 1 0.44 0.72 -0.28 0.01  
SINCE JAN 1 12.06 11.39 0.67 8.11  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 8 23 -15 22  
MONTH TO DATE 219 369 -150 212  
SINCE SEP 1 368 609 -241 329  
SINCE JUL 1 374 695 -321 332  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 11 15 -4 49  
SINCE JAN 1 536 307 229 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 800 AM  
LOWEST 37 300 PM  
AVERAGE 63  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 80 2003  
MINIMUM TEMPERATURE (F) 31 18 1895  
1984  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 801 AM MDT SUNSET 640 PM MDT  
OCTOBER 21 2023.......SUNRISE 803 AM MDT SUNSET 639 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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