227  
CDUS45 KBYZ 302234  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
434 PM MDT TUE APR 30 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 30 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 55 159 PM 86 1939 61 -6 69  
MINIMUM 37 554 AM 17 1950 38 -1 39  
AVERAGE 46 50 -4 54  
 
PRECIPITATION (IN)  
TODAY 0.10 0.61 1967 0.06 0.04 0.00  
MONTH TO DATE 1.56 1.72 -0.16 0.78  
SINCE OCT 1 5.73 6.28 -0.55 5.48  
SINCE JAN 1 3.34 3.74 -0.40 3.43  
 
SNOWFALL (IN)  
TODAY MM 6.4 1967 0.1 MM 0.0  
MONTH TO DATE 4.4 7.5 -3.1 1.7  
SINCE MAR 1 9.2 15.7 -6.5 18.6  
SINCE JUL 1 35.0 56.5 -21.5 56.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 19 15 4 11  
MONTH TO DATE 473 577 -104 607  
SINCE MAR 1 1341 1416 -75 1726  
SINCE JUL 1 5716 6351 -635 6799  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 19.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 21 200 PM  
AVERAGE 57  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 88 1981  
MINIMUM TEMPERATURE (F) 39 17 1954  
 
SUNRISE AND SUNSET  
APRIL 30 2024.........SUNRISE 602 AM MDT SUNSET 821 PM MDT  
MAY 1 2024...........SUNRISE 601 AM MDT SUNSET 823 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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