657  
CDUS45 KBYZ 202321  
CLILVM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
421 PM MST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE LIVINGSTON MT CLIMATE SUMMARY FOR DECEMBER 20 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 239 PM 56 2003 35 11 45  
MINIMUM 27 243 AM -24 1990 16 11 11  
AVERAGE 37 26 11 28  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 1996 0.01 -0.01 0.01  
MONTH TO DATE 0.09 0.36 -0.27 0.40  
SINCE OCT 1 2.53 2.21 0.32 2.67  
SINCE JAN 1 16.97 14.65 2.32 16.57  
 
DEGREE DAYS  
HEATING  
TODAY 28 40 -12 37  
MONTH TO DATE 676 775 -99 608  
SINCE DEC 1 676 775 -99 608  
SINCE JUL 1 2612 2734 -122 2431  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 212 230 -18 397    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 23.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 1200 AM  
LOWEST 42 200 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE LIVINGSTON MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 54 1969  
MINIMUM TEMPERATURE (F) 16 -33 1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 759 AM MST SUNSET 440 PM MST  
DECEMBER 21 2018......SUNRISE 800 AM MST SUNSET 440 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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