382  
CDUS41 KRNK 210608  
CLIROA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BLACKSBURG, VA  
108 AM EST THU DEC 21 2023  
   
...............................
 
 
   
..THE ROANOKE VA CLIMATE SUMMARY FOR DECEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1912 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 4:50 PM 71 1987 49 2 42  
MINIMUM 23 6:55 AM 5 1916 31 -8 27  
AVERAGE 37 40 -3 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 2018 0.09 -0.09 0.00  
MONTH TO DATE 2.61 2.10 0.51 2.61  
SINCE DEC 1 2.61 2.10 0.51 2.61  
SINCE JAN 1 33.54 41.84 -8.30 45.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.2 2.0 -1.8 T  
SINCE DEC 1 0.2 2.0 -1.8 T  
SINCE JUL 1 0.2 2.1 -1.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 25 3 30  
MONTH TO DATE 410 465 -55 473  
SINCE DEC 1 410 465 -55 473  
SINCE JUL 1 1037 1219 -182 1216  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1376 1366 10 1524    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 11:00 PM  
LOWEST 30 2:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE ROANOKE VA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 71 1923  
MINIMUM TEMPERATURE (F) 31 3 1942  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 7:30 AM EST SUNSET 5:06 PM EST  
DECEMBER 22 2023......SUNRISE 7:31 AM EST SUNSET 5:06 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
REMARKS:  
DUE TO EQUIPMENT FAILURE DURING OCTOBER 6-7, THE PRECIPITATION DATA  
WILL BE MISSING FOR THESE DATES.  
 

 
 
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