868  
CDUS45 KBYZ 300340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 29 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 70 317 PM 89 1989 68 2 85  
MINIMUM 41 619 AM 26 1985 44 -3 53  
AVERAGE 56 56 0 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1950 0.04 -0.04 T  
MONTH TO DATE 0.57 1.31 -0.74 0.63  
SINCE OCT 1 17.12 14.26 2.86 15.45  
SINCE JAN 1 15.07 11.72 3.35 12.69  
 
SNOWFALL (IN)  
TODAY MM 2.3 1961 0.1 MM 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 0.0 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 10 -1 0  
MONTH TO DATE 69 158 -89 59  
SINCE SEP 1 69 158 -89 59  
SINCE JUL 1 85 194 -109 65  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 80 62 18 137  
SINCE SEP 1 80 62 18 137  
SINCE JAN 1 712 657 55 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 400 AM  
LOWEST 26 100 PM  
AVERAGE 48  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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