314  
CDUS45 KBYZ 190940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT TUE SEP 19 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 86 340 PM 92 1937 73 13 79  
1984  
MINIMUM 59 600 AM 28 1971 48 11 52  
AVERAGE 73 61 12 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.97 1978 0.04 -0.04 0.02  
MONTH TO DATE 0.13 0.76 -0.63 0.55  
SINCE OCT 1 16.68 13.71 2.97 15.37  
SINCE JAN 1 14.63 11.17 3.46 12.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 1983 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 0 6 -6 0  
MONTH TO DATE 8 69 -61 28  
SINCE SEP 1 8 69 -61 28  
SINCE JUL 1 24 105 -81 34  
 
COOLING  
YESTERDAY 8 2 6 1  
MONTH TO DATE 74 50 24 117  
SINCE SEP 1 74 50 24 117  
SINCE JAN 1 706 645 61 890    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 35 1100 PM  
LOWEST 12 300 PM  
AVERAGE 24  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 1981  
2009  
MINIMUM TEMPERATURE (F) 48 26 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 657 AM MDT SUNSET 718 PM MDT  
SEPTEMBER 20 2023.....SUNRISE 658 AM MDT SUNSET 716 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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