074  
CDUS45 KBYZ 010330  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 PM MDT WED SEP 30 2026  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 30 2026
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 135 PM 90 1963 67 12 83  
MINIMUM 53 505 AM 23 1985 44 9 56  
AVERAGE 66 55 11 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.54 2022 0.05 -0.05 0.04  
MONTH TO DATE 4.63 1.36 3.27 0.94  
SINCE OCT 1 16.28 14.31 1.97 15.70  
SINCE JAN 1 12.40 11.77 0.63 14.40  
 
SNOWFALL (IN)  
TODAY MM 2.4 1950 0.0 MM 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.3 -0.3 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 10 -10 0  
MONTH TO DATE 95 168 -73 47  
SINCE SEP 1 95 168 -73 47  
SINCE JUL 1 103 204 -101 63  
 
COOLING  
TODAY 1 1 0 5  
MONTH TO DATE 51 62 -11 73  
SINCE SEP 1 51 62 -11 73  
SINCE JAN 1 838 657 181 658    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 600 PM  
LOWEST 26 100 PM  
AVERAGE 43  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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