051  
CDUS45 KMSO 210737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 20 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 88R 455 PM 88 1958 68 20 57  
MINIMUM 51 511 AM 28 1989 41 10 38  
AVERAGE 70 54 16 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1901 0.06 -0.06 0.02  
MONTH TO DATE 1.62 0.98 0.64 0.88  
SINCE OCT 1 7.31 8.54 -1.23 7.29  
SINCE JAN 1 4.45 5.10 -0.65 4.04  
 
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 17  
MONTH TO DATE 95 272 -177 291  
SINCE MAR 1 1640 1753 -113 1781  
SINCE JUL 1 7052 7225 -173 6874  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 21 0 21 0  
SINCE MAR 1 21 0 21 0  
SINCE JAN 1 21 0 21 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 17 300 PM  
AVERAGE 50  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1919  
1928  
MINIMUM TEMPERATURE (F) 41 28 1953  
1960  
2009  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 555 AM MDT SUNSET 912 PM MDT  
MAY 22 2023...........SUNRISE 554 AM MDT SUNSET 913 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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