861  
CDUS45 KBYZ 180330  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 PM MDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 90 203 PM 91 2009 74 16 73  
MINIMUM 56 641 AM 26 1965 48 8 49  
AVERAGE 73 61 12 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1942 0.04 -0.04 0.00  
MONTH TO DATE 0.13 0.72 -0.59 0.53  
SINCE OCT 1 16.68 13.67 3.01 15.35  
SINCE JAN 1 14.63 11.13 3.50 12.59  
 
SNOWFALL (IN)  
TODAY 0.0 T 1965 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 4  
MONTH TO DATE 8 63 -55 28  
SINCE SEP 1 8 63 -55 28  
SINCE JUL 1 24 99 -75 34  
 
COOLING  
TODAY 8 2 6 0  
MONTH TO DATE 66 48 18 116  
SINCE SEP 1 66 48 18 116  
SINCE JAN 1 698 643 55 889    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 600 AM  
LOWEST 10 400 PM  
AVERAGE 29  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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