400  
CDUS45 KBYZ 280340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT WED SEP 27 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 27 2023
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 74 254 PM 91 1963 69 5 84  
MINIMUM 52 611 AM 27 1951 45 7 50  
AVERAGE 63 57 6 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.86 1974 0.05 -0.05 0.00  
MONTH TO DATE 0.57 1.22 -0.65 0.63  
SINCE OCT 1 17.12 14.17 2.95 15.45  
SINCE JAN 1 15.07 11.63 3.44 12.69  
 
SNOWFALL (IN)  
TODAY MM 6.0 1941 0.0 MM 0.0  
MONTH TO DATE 0.0 0.2 -0.2 T  
SINCE SEP 1 0.0 0.2 -0.2 T  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 9 -7 0  
MONTH TO DATE 52 138 -86 59  
SINCE SEP 1 52 138 -86 59  
SINCE JUL 1 68 174 -106 65  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 80 60 20 128  
SINCE SEP 1 80 60 20 128  
SINCE JAN 1 712 655 57 901    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 600 AM  
LOWEST 29 100 PM  
AVERAGE 44  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab WY Page Main Text Page