622  
CDUS45 KMSO 182240  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
440 PM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 254 PM 88 1954 67 12 62  
2006  
2009  
MINIMUM 46 457 AM 22 1965 41 5 37  
AVERAGE 63 54 9 50  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY MM  
MONTH TO DATE 0.0  
SINCE MAR 1 10.6  
SINCE JUL 1 50.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 11 -9 15  
MONTH TO DATE 96 250 -154 253  
SINCE MAR 1 1641 1731 -90 1743  
SINCE JUL 1 7053 7203 -150 6836  
 
COOLING  
TODAY 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 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 2002  
MINIMUM TEMPERATURE (F) 41 27 1974  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 558 AM MDT SUNSET 908 PM MDT  
MAY 19 2023...........SUNRISE 557 AM MDT SUNSET 910 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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