868  
CDUS45 KBYZ 040934  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
334 AM MDT THU SEP 04 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 3 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 81 310 PM 101 2022 80 1 90  
MINIMUM 53 618 AM 39 1951 53 0 61  
1956  
AVERAGE 67 66 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 1971 0.04 -0.04 0.02  
MONTH TO DATE 0.00 0.12 -0.12 0.02  
SINCE OCT 1 14.76 13.07 1.69 11.35  
SINCE JAN 1 13.46 10.53 2.93 8.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1962 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 0 7 -7 0  
SINCE SEP 1 0 7 -7 0  
SINCE JUL 1 16 43 -27 14  
 
COOLING  
YESTERDAY 2 4 -2 11  
MONTH TO DATE 21 12 9 29  
SINCE SEP 1 21 12 9 29  
SINCE JAN 1 606 607 -1 696    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 500 AM  
LOWEST 35 200 PM  
AVERAGE 56  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 1950  
2022  
MINIMUM TEMPERATURE (F) 52 31 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 639 AM MDT SUNSET 746 PM MDT  
SEPTEMBER 5 2025.....SUNRISE 641 AM MDT SUNSET 744 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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