434  
CDUS45 KBYZ 010331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MDT FRI OCT 31 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 31 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 53 1229 PM 76 1999 52 1 51  
MINIMUM 29 712 AM 2 1984 31 -2 29  
AVERAGE 41 42 -1 40  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 1974 0.03 -0.03 0.00  
MONTH TO DATE 1.91 1.37 0.54 0.41  
SINCE OCT 1 1.91 1.37 0.54 0.41  
SINCE JAN 1 16.31 13.14 3.17 11.07  
 
SNOWFALL (IN)  
TODAY MM 5.4 1973 0.2 MM 0.0  
MONTH TO DATE T 4.5 -4.5 0.0  
SINCE SEP 1 T 4.8 -4.8 0.0  
SINCE JUL 1 T 4.8 -4.8 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 24 23 1 25  
MONTH TO DATE 474 533 -59 327  
SINCE SEP 1 521 701 -180 382  
SINCE JUL 1 537 737 -200 396  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 5 -4 5  
SINCE SEP 1 74 67 7 123  
SINCE JAN 1 659 662 -3 790    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 400 AM  
LOWEST 37 300 PM  
AVERAGE 56  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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