489  
CDUS45 KBOU 210739  
CLIDEN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
1237 AM MST SAT DEC 21 2019  
 
   
...............................
 
 
   
..THE DENVER CO CLIMATE SUMMARY FOR DECEMBER 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 127 PM 69 1894 42 12 48  
MINIMUM 17 117 AM -16 1990 17 0 19  
1983  
AVERAGE 36 29 7 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.12 0.23 -0.11 T  
SINCE DEC 1 0.12 0.23 -0.11 T  
SINCE JAN 1 15.33 14.18 1.15 8.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 26.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 36 -7 31  
MONTH TO DATE 625 699 -74 599  
SINCE DEC 1 625 699 -74 599  
SINCE JUL 1 2160 2081 79 1972  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 916 769 147 1026    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.8  
 
 
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 67 200 AM  
LOWEST 13 200 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE DENVER CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 67 1933  
MINIMUM TEMPERATURE (F) 17 -21 1990  
1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2019......SUNRISE 716 AM MST SUNSET 437 PM MST  
DECEMBER 22 2019......SUNRISE 717 AM MST SUNSET 437 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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