596  
CDUS45 KBYZ 110931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT MON AUG 11 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR AUGUST 10 2025  
 
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)  
YESTERDAY  
MAXIMUM 85 447 PM 102 1935 88 -3 76  
MINIMUM 53 553 AM 38 1939 59 -6 55  
AVERAGE 69 74 -5 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 1962 0.03 -0.03 0.01  
MONTH TO DATE 0.22 0.30 -0.08 0.82  
SINCE OCT 1 14.19 12.38 1.81 11.25  
SINCE JAN 1 12.89 9.84 3.05 8.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 4 9 -5 1  
MONTH TO DATE 70 95 -25 82  
SINCE JUN 1 398 445 -47 521  
SINCE JAN 1 414 460 -46 522    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 21 300 PM  
AVERAGE 51  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 102 2018  
MINIMUM TEMPERATURE (F) 59 47 1947  
1977  
 
SUNRISE AND SUNSET  
AUGUST 11 2025........SUNRISE 610 AM MDT SUNSET 828 PM MDT  
AUGUST 12 2025........SUNRISE 611 AM MDT SUNSET 826 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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