063  
CDUS45 KBYZ 210931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 20 2024
 
 
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)  
YESTERDAY  
MAXIMUM 59 159 PM 91 1964 69 -10 84  
MINIMUM 39 511 AM 32 2003 45 -6 48  
2021  
2022  
AVERAGE 49 57 -8 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.33 2011 0.08 -0.06 T  
MONTH TO DATE 1.69 1.39 0.30 1.56  
SINCE OCT 1 7.42 7.67 -0.25 7.04  
SINCE JAN 1 5.03 5.13 -0.10 4.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 1987 0.0 0.0 0.0  
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 9 7 0  
MONTH TO DATE 248 237 11 146  
SINCE MAR 1 1588 1653 -65 1872  
SINCE JUL 1 5963 6588 -625 6945  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 1 1 0 6  
SINCE MAR 1 1 2 -1 6  
SINCE JAN 1 1 2 -1 6    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1000 PM  
LOWEST 40 300 PM  
AVERAGE 63  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1980  
MINIMUM TEMPERATURE (F) 46 31 1963  
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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