977  
CDUS45 KBYZ 212240  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
440 PM MDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 205 PM 91 1980 69 -6 84  
MINIMUM 41 607 AM 31 1963 46 -5 54  
2021  
AVERAGE 52 57 -5 69  
 
PRECIPITATION (IN)  
TODAY T 2.83 1952 0.09 -0.09 T  
MONTH TO DATE 1.69 1.48 0.21 1.56  
SINCE OCT 1 7.42 7.76 -0.34 7.04  
SINCE JAN 1 5.03 5.22 -0.19 4.99  
 
SNOWFALL (IN)  
TODAY MM T 1999 0.0 MM 0.0  
2016  
2021  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 9.2 16.5 -7.3 18.6  
SINCE JUL 1 35.0 57.3 -22.3 56.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 13 8 5 0  
MONTH TO DATE 261 245 16 146  
SINCE MAR 1 1601 1661 -60 1872  
SINCE JUL 1 5976 6596 -620 6945  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 1 2 -1 10  
SINCE MAR 1 1 3 -2 10  
SINCE JAN 1 1 3 -2 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1200 AM  
LOWEST 30 200 PM  
AVERAGE 56  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 1980  
MINIMUM TEMPERATURE (F) 46 31 2021  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 536 AM MDT SUNSET 847 PM MDT  
MAY 22 2024...........SUNRISE 535 AM MDT SUNSET 848 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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