599  
CDUS45 KBYZ 271740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT WED SEP 27 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 27 2023
 
 
VALID AS OF 1100 AM 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 67 958 AM 91 1963 69 -2 84  
MINIMUM 52 611 AM 27 1951 45 7 50  
AVERAGE 60 57 3 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 5 9 -4 0  
MONTH TO DATE 55 138 -83 59  
SINCE SEP 1 55 138 -83 59  
SINCE JUL 1 71 174 -103 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 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 600 AM  
LOWEST 35 1000 AM  
AVERAGE 47  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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