428  
CDUS45 KBYZ 042231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT SAT OCT 04 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 4 2025  
 
VALID TODAY AS OF 0400 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 57 1254 AM 90 1963 65 -8 87  
MINIMUM 48 259 PM 27 2000 42 6 38  
AVERAGE 53 53 0 63  
 
PRECIPITATION (IN)  
TODAY 0.48 1.98 1937 0.06 0.42 0.00  
MONTH TO DATE 0.48 0.22 0.26 0.00  
SINCE OCT 1 0.48 0.22 0.26 0.00  
SINCE JAN 1 14.88 11.99 2.89 10.66  
 
SNOWFALL (IN)  
TODAY MM 9.9 2005 0.1 MM 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 T 0.7 -0.7 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 12 12 0 2  
MONTH TO DATE 18 46 -28 24  
SINCE SEP 1 65 214 -149 79  
SINCE JUL 1 81 250 -169 93  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 1 0 0  
SINCE SEP 1 74 63 11 118  
SINCE JAN 1 659 658 1 785    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 PM  
LOWEST 57 1200 AM  
AVERAGE 75  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 86 2021  
MINIMUM TEMPERATURE (F) 42 24 2000  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 717 AM MDT SUNSET 648 PM MDT  
OCTOBER 5 2025.......SUNRISE 718 AM MDT SUNSET 646 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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