519  
CDUS45 KBYZ 070940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT SUN SEP 07 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 6 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 81 317 PM 97 1980 79 2 86  
MINIMUM 43 643 AM 36 1956 52 -9 53  
AVERAGE 62 65 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.62 1976 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.24 -0.24 0.02  
SINCE OCT 1 14.76 13.19 1.57 11.35  
SINCE JAN 1 13.46 10.65 2.81 8.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 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 3 3 0 0  
MONTH TO DATE 10 16 -6 0  
SINCE SEP 1 10 16 -6 0  
SINCE JUL 1 26 52 -26 14  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 21 22 -1 40  
SINCE SEP 1 21 22 -1 40  
SINCE JAN 1 606 617 -11 707    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 500 AM  
LOWEST 14 300 PM  
AVERAGE 39  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 102 2022  
MINIMUM TEMPERATURE (F) 51 34 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2025.....SUNRISE 643 AM MDT SUNSET 740 PM MDT  
SEPTEMBER 8 2025.....SUNRISE 644 AM MDT SUNSET 738 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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