817  
CDUS41 KRNK 190739  
CLIROA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BLACKSBURG, VA  
239 AM EST TUE DEC 19 2023  
   
...............................
 
 
   
..THE ROANOKE VA CLIMATE SUMMARY FOR DECEMBER 18 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 54 5:01 AM 78 1924 49 5 39  
MINIMUM 32 9:27 PM 11 1932 32 0 28  
AVERAGE 43 40 3 34  
 
PRECIPITATION (IN)  
YESTERDAY T 1.01 2009 0.10 -0.10 0.00  
MONTH TO DATE 2.61 1.92 0.69 2.61  
SINCE DEC 1 2.61 1.92 0.69 2.61  
SINCE JAN 1 33.54 41.66 -8.12 45.74  
 
SNOWFALL (IN)  
YESTERDAY T 0.1 -0.1 0.0  
MONTH TO DATE T 1.8 -1.8 T  
SINCE DEC 1 T 1.8 -1.8 T  
SINCE JUL 1 T 1.9 -1.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 25 -3 31  
MONTH TO DATE 350 415 -65 414  
SINCE DEC 1 350 415 -65 414  
SINCE JUL 1 977 1169 -192 1157  
 
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 15 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 16.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE ROANOKE VA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 78 1924  
MINIMUM TEMPERATURE (F) 31 3 1932  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:29 AM EST SUNSET 5:05 PM EST  
DECEMBER 20 2023......SUNRISE 7:30 AM EST SUNSET 5:05 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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