887  
CDUS45 KBYZ 150721  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
121 AM MDT SUN SEP 15 2019  
 
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 14 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1934 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 439 PM 97 1948 74 13 66  
MINIMUM 60 726 AM 31 1970 48 12 50  
AVERAGE 74 61 13 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21 2013 0.04 -0.04 0.00  
MONTH TO DATE 1.09 0.57 0.52 T  
SINCE OCT 1 16.86 12.93 3.93 20.03  
SINCE JAN 1 15.01 10.62 4.39 16.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.7 1982 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 7  
MONTH TO DATE 27 54 -27 31  
SINCE SEP 1 27 54 -27 31  
SINCE JUL 1 35 86 -51 90  
 
COOLING  
YESTERDAY 9 2 7 0  
MONTH TO DATE 77 37 40 35  
SINCE SEP 1 77 37 40 35  
SINCE JAN 1 792 619 173 553    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 300 AM  
LOWEST 19 100 PM  
AVERAGE 43  
   
......................................................
 
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 2000  
MINIMUM TEMPERATURE (F) 48 31 1965  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2019.....SUNRISE 652 AM MDT SUNSET 726 PM MDT  
SEPTEMBER 16 2019.....SUNRISE 653 AM MDT SUNSET 724 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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