846  
CDUS45 KBYZ 130331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MDT SUN OCT 12 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 12 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 50 304 PM 82 1950 61 -11 67  
1958  
1991  
MINIMUM 38 759 PM 13 2009 39 -1 46  
AVERAGE 44 50 -6 57  
 
PRECIPITATION (IN)  
TODAY 0.10 0.57 2023 0.05 0.05 0.00  
MONTH TO DATE 1.65 0.62 1.03 0.00  
SINCE OCT 1 1.65 0.62 1.03 0.00  
SINCE JAN 1 16.05 12.39 3.66 10.66  
 
SNOWFALL (IN)  
TODAY MM 3.5 2008 0.1 MM 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE SEP 1 0.0 1.6 -1.6 0.0  
SINCE JUL 1 T 1.6 -1.6 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 21 16 5 8  
MONTH TO DATE 117 158 -41 63  
SINCE SEP 1 164 326 -162 118  
SINCE JUL 1 180 362 -182 132  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 1 0 1  
SINCE SEP 1 74 63 11 119  
SINCE JAN 1 659 658 1 786    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 49 200 PM  
AVERAGE 71  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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