937  
CDUS45 KMSO 180737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 17 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 101R 457 PM 100 2020 84 17 100  
2022  
MINIMUM 58 604 AM 38 1910 50 8 52  
1976  
2002  
AVERAGE 80 67 13 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 1930 0.03 -0.03 0.00  
MONTH TO DATE 0.32 0.43 -0.11 0.01  
SINCE OCT 1 10.77 12.75 -1.98 9.83  
SINCE JAN 1 7.91 9.31 -1.40 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 1 -1 0  
MONTH TO DATE 1 15 -14 0  
SINCE JUN 1 81 239 -158 130  
SINCE JUL 1 1 54 -53 0  
 
COOLING  
YESTERDAY 15 3 12 11  
MONTH TO DATE 127 84 43 163  
SINCE JUN 1 440 258 182 440  
SINCE JAN 1 466 261 205 440    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 700 AM  
LOWEST 11 500 PM  
AVERAGE 39  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2008  
2022  
MINIMUM TEMPERATURE (F) 50 39 1954  
1987  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 638 AM MDT SUNSET 842 PM MDT  
AUGUST 19 2023........SUNRISE 639 AM MDT SUNSET 840 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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