479  
CDUS45 KBYZ 012230  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MDT MON SEP 01 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 1 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 90 259 PM 103 1983 81 9 88  
MINIMUM 56 550 AM 41 1942 53 3 54  
AVERAGE 73 67 6 71  
 
PRECIPITATION (IN)  
TODAY 0.00 1.15 1973 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE OCT 1 14.76 12.99 1.77 11.33  
SINCE JAN 1 13.46 10.45 3.01 8.94  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0 MM 0.0  
MONTH TO DATE MM 0.0 MM 0.0  
SINCE SEP 1 MM 0.0 MM 0.0  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 2 -2 0  
SINCE SEP 1 0 2 -2 0  
SINCE JUL 1 16 38 -22 14  
 
COOLING  
TODAY 8 4 4 6  
MONTH TO DATE 8 4 4 6  
SINCE SEP 1 8 4 4 6  
SINCE JAN 1 593 599 -6 673    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 600 AM  
LOWEST 14 300 PM  
AVERAGE 34  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 1998  
MINIMUM TEMPERATURE (F) 53 35 1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 636 AM MDT SUNSET 751 PM MDT  
SEPTEMBER 2 2025.....SUNRISE 637 AM MDT SUNSET 750 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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