293  
CDUS45 KBYZ 111731  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1131 AM MDT SAT OCT 11 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 11 2025  
 
VALID AS OF 1100 AM 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 61 959 AM 82 1991 61 0 68  
1995  
MINIMUM 47 259 AM 14 2009 39 8 46  
AVERAGE 54 50 4 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.47 2021 0.05 -0.05 0.00  
MONTH TO DATE 1.04 0.57 0.47 0.00  
SINCE OCT 1 1.04 0.57 0.47 0.00  
SINCE JAN 1 15.44 12.34 3.10 10.66  
 
SNOWFALL (IN)  
TODAY MM 4.4 2008 0.1 MM 0.0  
MONTH TO DATE 0.0 1.2 -1.2 0.0  
SINCE SEP 1 0.0 1.5 -1.5 0.0  
SINCE JUL 1 T 1.5 -1.5 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 11 15 -4 8  
MONTH TO DATE 101 142 -41 55  
SINCE SEP 1 148 310 -162 110  
SINCE JUL 1 164 346 -182 124  
 
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 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 300 AM  
LOWEST 62 1000 AM  
AVERAGE 73  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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