987  
CDUS45 KMSO 200737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 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 86 450 PM 91 2002 67 19 52  
MINIMUM 47 557 AM 27 1974 41 6 36  
AVERAGE 67 54 13 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 1902 0.06 -0.06 0.02  
MONTH TO DATE 1.62 0.92 0.70 0.86  
SINCE OCT 1 7.31 8.48 -1.17 7.27  
SINCE JAN 1 4.45 5.04 -0.59 4.02  
 
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 0 11 -11 21  
MONTH TO DATE 95 261 -166 274  
SINCE MAR 1 1640 1742 -102 1764  
SINCE JUL 1 7052 7214 -162 6857  
 
COOLING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 16 0 16 0  
SINCE MAR 1 16 0 16 0  
SINCE JAN 1 16 0 16 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 24 300 PM  
AVERAGE 57  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1958  
MINIMUM TEMPERATURE (F) 41 28 1989  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 556 AM MDT SUNSET 911 PM MDT  
MAY 21 2023...........SUNRISE 555 AM MDT SUNSET 912 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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