695  
CDUS45 KBYZ 240931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 23 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 66 511 PM 91 1966 71 -5 77  
1992  
2011  
MINIMUM 49 711 AM 23 1984 46 3 56  
AVERAGE 58 58 0 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.84 2007 0.05 0.00 0.00  
MONTH TO DATE 0.57 1.01 -0.44 0.63  
SINCE OCT 1 17.12 13.96 3.16 15.45  
SINCE JAN 1 15.07 11.42 3.65 12.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.2 1984 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE SEP 1 0.0 0.1 -0.1 T  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 8 -1 0  
MONTH TO DATE 45 104 -59 55  
SINCE SEP 1 45 104 -59 55  
SINCE JUL 1 61 140 -79 61  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 75 56 19 124  
SINCE SEP 1 75 56 19 124  
SINCE JAN 1 707 651 56 897    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 54 500 PM  
AVERAGE 76  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2020  
MINIMUM TEMPERATURE (F) 46 22 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 703 AM MDT SUNSET 708 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 705 AM MDT SUNSET 706 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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