027  
CDUS45 KMSO 200737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR OCTOBER 19 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 74R 431 PM 74 2017 54 20 69  
MINIMUM 35 631 AM 15 1969 31 4 31  
AVERAGE 55 42 13 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1894 0.05 -0.05 0.00  
1933  
MONTH TO DATE 0.44 0.68 -0.24 0.01  
SINCE OCT 1 0.44 0.68 -0.24 0.01  
SINCE JAN 1 12.06 11.35 0.71 8.11  
 
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 10 22 -12 15  
MONTH TO DATE 211 346 -135 190  
SINCE SEP 1 360 586 -226 307  
SINCE JUL 1 366 672 -306 310  
 
COOLING  
YESTERDAY 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 7 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 0.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 34 400 PM  
AVERAGE 62  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 72 1897  
MINIMUM TEMPERATURE (F) 31 18 1895  
1905  
1976  
 
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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