732  
CDUS45 KBYZ 161030  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
330 AM MST SAT DEC 16 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 15 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 47 328 PM 69 1980 36 11 26  
MINIMUM 26 818 AM -20 1964 19 7 13  
AVERAGE 37 27 10 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.66 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.10 0.27 -0.17 0.44  
SINCE OCT 1 2.16 2.24 -0.08 1.88  
SINCE JAN 1 17.23 14.01 3.22 15.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.0 2016 0.3 -0.3 0.0  
MONTH TO DATE T 4.3 -4.3 6.7  
SINCE DEC 1 T 4.3 -4.3 6.7  
SINCE JUL 1 6.7 15.6 -8.9 16.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 38 -10 45  
MONTH TO DATE 390 541 -151 651  
SINCE DEC 1 390 541 -151 651  
SINCE JUL 1 1749 2143 -394 2228  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 715 662 53 910    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 800 AM  
LOWEST 37 300 PM  
AVERAGE 54  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 67 1980  
MINIMUM TEMPERATURE (F) 19 -26 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 749 AM MST SUNSET 430 PM MST  
DECEMBER 17 2023......SUNRISE 750 AM MST SUNSET 431 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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