579  
CDUS45 KMSO 220737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT MON MAY 22 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 21 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 86 309 PM 90 1919 68 18 59  
1928  
MINIMUM 51 437 AM 28 1953 41 10 35  
1960  
2009  
AVERAGE 69 55 14 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.54 1981 0.06 0.08 T  
MONTH TO DATE 1.76 1.04 0.72 0.88  
SINCE OCT 1 7.45 8.60 -1.15 7.29  
SINCE JAN 1 4.59 5.16 -0.57 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 10 -10 18  
MONTH TO DATE 95 282 -187 309  
SINCE MAR 1 1640 1763 -123 1799  
SINCE JUL 1 7052 7235 -183 6892  
 
COOLING  
YESTERDAY 4 0 4 0  
MONTH TO DATE 25 0 25 0  
SINCE MAR 1 25 0 25 0  
SINCE JAN 1 25 0 25 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 700 AM  
LOWEST 30 300 PM  
AVERAGE 57  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1919  
MINIMUM TEMPERATURE (F) 42 22 1960  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 554 AM MDT SUNSET 913 PM MDT  
MAY 23 2023...........SUNRISE 553 AM MDT SUNSET 914 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab ID Page Main Text Page