927  
CDUS45 KMSO 220739  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
139 AM MDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 21 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 68 541 PM 100 1969 83 -15 94  
MINIMUM 61 707 AM 36 1904 49 12 61  
AVERAGE 65 66 -1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.40 0.66 1933 0.03 0.37 0.00  
MONTH TO DATE 0.75 0.54 0.21 0.01  
SINCE OCT 1 11.20 12.86 -1.66 9.83  
SINCE JAN 1 8.34 9.42 -1.08 6.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 1 22 -21 0  
SINCE JUN 1 81 246 -165 130  
SINCE JUL 1 1 61 -60 0  
 
COOLING  
YESTERDAY 0 3 -3 13  
MONTH TO DATE 144 96 48 222  
SINCE JUN 1 457 270 187 499  
SINCE JAN 1 483 273 210 499    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 81 1000 AM  
AVERAGE 87  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1969  
MINIMUM TEMPERATURE (F) 49 35 1906  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 643 AM MDT SUNSET 835 PM MDT  
AUGUST 23 2023........SUNRISE 644 AM MDT SUNSET 833 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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