406  
CDUS45 KBYZ 120933  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
333 AM MDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
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)  
YESTERDAY  
MAXIMUM 79 318 PM 96 1959 77 2 85  
MINIMUM 48 649 AM 28 1989 50 -2 50  
AVERAGE 64 63 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 1988 0.05 -0.05 0.00  
MONTH TO DATE 0.11 0.46 -0.35 0.43  
SINCE OCT 1 16.66 13.41 3.25 15.25  
SINCE JAN 1 14.61 10.87 3.74 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.4 1970 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  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 8 34 -26 20  
SINCE SEP 1 8 34 -26 20  
SINCE JUL 1 24 70 -46 26  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 45 36 9 104  
SINCE SEP 1 45 36 9 104  
SINCE JAN 1 677 631 46 877    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 23 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1981  
1990  
2015  
MINIMUM TEMPERATURE (F) 50 30 1970  
2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 649 AM MDT SUNSET 731 PM MDT  
SEPTEMBER 13 2023.....SUNRISE 650 AM MDT SUNSET 729 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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