562  
CDUS45 KMSO 190740  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 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 81 450 PM 88 1954 67 14 62  
2006  
2009  
MINIMUM 46 457 AM 22 1965 41 5 37  
AVERAGE 64 54 10 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 1896 0.06 -0.06 0.00  
MONTH TO DATE 1.62 0.86 0.76 0.84  
SINCE OCT 1 7.31 8.42 -1.11 7.25  
SINCE JAN 1 4.45 4.98 -0.53 4.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 10.6  
SINCE JUL 1 50.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 11 -10 15  
MONTH TO DATE 95 250 -155 253  
SINCE MAR 1 1640 1731 -91 1743  
SINCE JUL 1 7052 7203 -151 6836  
 
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 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 26 300 PM  
AVERAGE 63  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 2002  
MINIMUM TEMPERATURE (F) 41 27 1974  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 557 AM MDT SUNSET 910 PM MDT  
MAY 20 2023...........SUNRISE 556 AM MDT SUNSET 911 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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