661  
CDUS45 KBYZ 122231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT TUE AUG 12 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR AUGUST 12 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 252 PM 104 1940 87 4 85  
MINIMUM 59 529 AM 45 1987 59 0 56  
AVERAGE 75 73 2 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 1999 0.03 -0.03 T  
MONTH TO DATE 0.22 0.35 -0.13 0.82  
SINCE OCT 1 14.19 12.43 1.76 11.25  
SINCE JAN 1 12.89 9.89 3.00 8.86  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0 MM 0.0  
MONTH TO DATE T 0.0 0.0 T  
SINCE JUN 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 9  
SINCE JUN 1 87 102 -15 78  
SINCE JUL 1 16 12 4 12  
 
COOLING  
TODAY 10 8 2 6  
MONTH TO DATE 87 111 -24 91  
SINCE JUN 1 415 461 -46 530  
SINCE JAN 1 431 476 -45 531    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 400 AM  
LOWEST 26 300 PM  
AVERAGE 48  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 103 2003  
MINIMUM TEMPERATURE (F) 59 48 1939  
1947  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 611 AM MDT SUNSET 826 PM MDT  
AUGUST 13 2025........SUNRISE 612 AM MDT SUNSET 825 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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