017  
CDUS45 KBYZ 230940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 58 522 PM 91 1938 71 -13 70  
MINIMUM 50 1055 PM 25 2000 47 3 48  
AVERAGE 54 59 -5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 0.55 2006 0.05 0.24 0.08  
MONTH TO DATE 0.52 0.96 -0.44 0.63  
SINCE OCT 1 17.07 13.91 3.16 15.45  
SINCE JAN 1 15.02 11.37 3.65 12.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2000 0.0 0.0 T  
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 11 7 4 6  
MONTH TO DATE 38 96 -58 55  
SINCE SEP 1 38 96 -58 55  
SINCE JUL 1 54 132 -78 61  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 75 55 20 122  
SINCE SEP 1 75 55 20 122  
SINCE JAN 1 707 650 57 895    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
MIXED PRECIP  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 70 500 PM  
AVERAGE 85  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1966  
1992  
2011  
MINIMUM TEMPERATURE (F) 46 23 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 702 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 24 2023.....SUNRISE 703 AM MDT SUNSET 708 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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