010  
CDUS45 KMSO 170747  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MDT WED MAY 17 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 16 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 79 334 PM 90 2006 67 12 73  
MINIMUM 48 544 AM 26 1910 40 8 48  
1974  
AVERAGE 64 53 11 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.30 1898 0.05 -0.05 T  
MONTH TO DATE 1.34 0.74 0.60 0.84  
SINCE OCT 1 7.03 8.30 -1.27 7.25  
SINCE JAN 1 4.17 4.86 -0.69 4.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 10.6  
SINCE JUL 1 50.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 12 -11 4  
MONTH TO DATE 93 227 -134 228  
SINCE MAR 1 1638 1708 -70 1718  
SINCE JUL 1 7050 7180 -130 6811  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 14 0 14 0  
SINCE MAR 1 14 0 14 0  
SINCE JAN 1 14 0 14 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 35 400 PM  
AVERAGE 62  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 2006  
2008  
MINIMUM TEMPERATURE (F) 40 24 1966  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 559 AM MDT SUNSET 907 PM MDT  
MAY 18 2023...........SUNRISE 558 AM MDT SUNSET 908 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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