643  
CDUS45 KMSO 190737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT THU OCT 19 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR OCTOBER 18 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 69 407 PM 75 1936 54 15 70  
1973  
MINIMUM 34 516 AM 12 1905 32 2 31  
AVERAGE 52 43 9 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 1934 0.04 -0.04 0.00  
MONTH TO DATE 0.44 0.63 -0.19 0.01  
SINCE OCT 1 0.44 0.63 -0.19 0.01  
SINCE JAN 1 12.06 11.30 0.76 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 13 22 -9 14  
MONTH TO DATE 201 324 -123 175  
SINCE SEP 1 350 564 -214 292  
SINCE JUL 1 356 650 -294 295  
 
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 6 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 0.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 700 AM  
LOWEST 35 200 PM  
AVERAGE 59  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 74 2017  
MINIMUM TEMPERATURE (F) 31 15 1969  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 800 AM MDT SUNSET 642 PM MDT  
OCTOBER 20 2023.......SUNRISE 801 AM MDT SUNSET 640 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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