670  
CDUS45 KMSO 210747  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MDT FRI APR 21 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR APRIL 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 52 544 PM 84 1980 57 -5 56  
MINIMUM 27 519 AM 16 1927 33 -6 34  
AVERAGE 40 45 -5 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1984 0.05 -0.05 0.04  
MONTH TO DATE 0.23 0.93 -0.70 0.50  
SINCE OCT 1 5.36 7.13 -1.77 6.14  
SINCE JAN 1 2.50 3.69 -1.19 2.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 2.3  
SINCE MAR 1 10.6  
SINCE JUL 1 50.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 20 5 20  
MONTH TO DATE 454 439 15 533  
SINCE MAR 1 1397 1296 101 1287  
SINCE JUL 1 6809 6768 41 6380  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 27 600 PM  
AVERAGE 55  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 82 1934  
2016  
MINIMUM TEMPERATURE (F) 33 15 1951  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 638 AM MDT SUNSET 833 PM MDT  
APRIL 22 2023.........SUNRISE 636 AM MDT SUNSET 834 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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