621  
CDUS45 KMSO 110740  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT THU MAY 11 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 10 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 68 413 PM 90 1940 65 3 59  
MINIMUM 44 100 AM 24 1894 38 6 30  
AVERAGE 56 51 5 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 1896 0.04 -0.04 0.00  
MONTH TO DATE 1.34 0.43 0.91 0.70  
SINCE OCT 1 7.03 7.99 -0.96 7.11  
SINCE JAN 1 4.17 4.55 -0.38 3.86  
 
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 9 14 -5 20  
MONTH TO DATE 69 152 -83 142  
SINCE MAR 1 1614 1633 -19 1632  
SINCE JUL 1 7026 7105 -79 6725  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 0 10 0  
SINCE MAR 1 10 0 10 0  
SINCE JAN 1 10 0 10 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 31 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 90 1941  
1993  
MINIMUM TEMPERATURE (F) 38 23 1973  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 607 AM MDT SUNSET 900 PM MDT  
MAY 12 2023...........SUNRISE 605 AM MDT SUNSET 901 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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