590  
CDUS45 KBYZ 111036  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
336 AM MST MON DEC 11 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 10 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 50 146 PM 65 1990 37 13 32  
MINIMUM 34 1159 PM -14 1961 20 14 14  
AVERAGE 42 28 14 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.45 1975 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.18 -0.12 0.28  
SINCE OCT 1 2.12 2.15 -0.03 1.72  
SINCE JAN 1 17.19 13.92 3.27 14.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 1975 0.3 -0.3 0.0  
MONTH TO DATE T 2.8 -2.8 3.9  
SINCE DEC 1 T 2.8 -2.8 3.9  
SINCE JUL 1 6.7 14.1 -7.4 14.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 37 -14 42  
MONTH TO DATE 245 354 -109 425  
SINCE DEC 1 245 354 -109 425  
SINCE JUL 1 1604 1956 -352 2002  
 
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 30 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 17.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 1100 PM  
LOWEST 28 1200 AM  
AVERAGE 40  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 67 2004  
MINIMUM TEMPERATURE (F) 20 -17 1961  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 745 AM MST SUNSET 430 PM MST  
DECEMBER 12 2023......SUNRISE 746 AM MST SUNSET 430 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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