519  
CDUS45 KBYZ 212240  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
440 PM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 83 259 PM 91 1980 69 14 52  
MINIMUM 54 619 AM 31 1963 46 8 35  
2021  
AVERAGE 69 57 12 44  
 
PRECIPITATION (IN)  
TODAY 0.00 2.83 1952 0.09 -0.09 0.00  
MONTH TO DATE 1.56 1.48 0.08 1.16  
SINCE OCT 1 7.04 7.76 -0.72 8.37  
SINCE JAN 1 4.99 5.22 -0.23 5.61  
 
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 18.6 16.5 2.1 21.5  
SINCE JUL 1 56.1 57.3 -1.2 62.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 21  
MONTH TO DATE 146 245 -99 271  
SINCE MAR 1 1872 1661 211 1828  
SINCE JUL 1 6945 6596 349 6388  
 
COOLING  
TODAY 4 1 3 0  
MONTH TO DATE 10 2 8 0  
SINCE MAR 1 10 3 7 0  
SINCE JAN 1 10 3 7 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 26 300 PM  
AVERAGE 53  
   
......................................................
 
 
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 2023...........SUNRISE 536 AM MDT SUNSET 846 PM MDT  
MAY 22 2023...........SUNRISE 535 AM MDT SUNSET 847 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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