670  
CDUS41 KRNK 120801  
CLIROA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BLACKSBURG, VA  
301 AM EST TUE DEC 12 2023  
   
...............................
 
 
   
..THE ROANOKE VA CLIMATE SUMMARY FOR DECEMBER 11 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 43 3:05 PM 72 2015 51 -8 52  
MINIMUM 30 11:59 PM 6 1917 32 -2 40  
AVERAGE 37 42 -5 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1944 0.11 -0.11 0.01  
MONTH TO DATE 1.83 1.21 0.62 1.59  
SINCE DEC 1 1.83 1.21 0.62 1.59  
SINCE JAN 1 32.76 40.95 -8.19 44.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE T 1.0 -1.0 0.0  
SINCE DEC 1 T 1.0 -1.0 0.0  
SINCE JUL 1 T 1.1 -1.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 23 5 19  
MONTH TO DATE 196 246 -50 229  
SINCE DEC 1 196 246 -50 229  
SINCE JUL 1 823 1000 -177 972  
 
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 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 12:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE ROANOKE VA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 77 1931  
MINIMUM TEMPERATURE (F) 32 5 1962  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:24 AM EST SUNSET 5:03 PM EST  
DECEMBER 13 2023......SUNRISE 7:25 AM EST SUNSET 5:03 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.  
 

 
 
RAB  
 
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