422  
CDUS45 KMSO 200738  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 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 90 329 PM 101 2022 84 6 101  
MINIMUM 47 513 AM 25 1901 50 -3 61  
AVERAGE 69 67 2 81  
 
PRECIPITATION (IN)  
YESTERDAY T 0.42 1906 0.02 -0.02 0.00  
MONTH TO DATE 0.32 0.48 -0.16 0.01  
SINCE OCT 1 10.77 12.80 -2.03 9.83  
SINCE JAN 1 7.91 9.36 -1.45 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 18 -17 0  
SINCE JUN 1 81 242 -161 130  
SINCE JUL 1 1 57 -56 0  
 
COOLING  
YESTERDAY 4 3 1 16  
MONTH TO DATE 139 90 49 193  
SINCE JUN 1 452 264 188 470  
SINCE JAN 1 478 267 211 470    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 AM  
LOWEST 14 300 PM  
AVERAGE 40  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1940  
MINIMUM TEMPERATURE (F) 49 36 1916  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 640 AM MDT SUNSET 838 PM MDT  
AUGUST 21 2023........SUNRISE 641 AM MDT SUNSET 837 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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