474  
CDUS45 KBYZ 220340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT THU AUG 21 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
VALID AS OF 0900 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 82 421 PM 101 2010 85 -3 89  
MINIMUM 67 555 AM 42 1945 56 11 56  
AVERAGE 75 70 5 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 1965 0.03 -0.03 T  
MONTH TO DATE 0.57 0.58 -0.01 0.84  
SINCE OCT 1 14.54 12.66 1.88 11.27  
SINCE JAN 1 13.24 10.12 3.12 8.88  
 
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 1 -1 0  
MONTH TO DATE 0 6 -6 9  
SINCE JUN 1 87 108 -21 78  
SINCE JUL 1 16 18 -2 12  
 
COOLING  
TODAY 10 6 4 8  
MONTH TO DATE 194 177 17 174  
SINCE JUN 1 522 527 -5 613  
SINCE JAN 1 538 542 -4 614    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 300 AM  
LOWEST 29 300 PM  
AVERAGE 43  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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