825  
CDUS41 KRNK 210617  
CLIROA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BLACKSBURG VA  
215 AM EDT SAT APR 21 2018  
 
   
...............................
 
 
   
..THE ROANOKE VA CLIMATE SUMMARY FOR APRIL 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1912 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 MM 91 1941 70 -5 80  
MINIMUM 38 MM 29 1926 47 -9 54  
AVERAGE 52 58 -6 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.03 1918 0.12 -0.12 0.05  
MONTH TO DATE 1.66 2.24 -0.58 2.15  
SINCE MAR 1 5.04 5.70 -0.66 4.47  
SINCE JAN 1 11.16 11.51 -0.35 9.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE T 0.0  
SINCE MAR 1 10.6 0.1  
SINCE JUL 1 15.7 4.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 8 5 0  
MONTH TO DATE 238 207 31 108  
SINCE MAR 1 906 759 147 612  
SINCE JUL 1 3906 3964 -58 3076  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 8 12 -4 30  
SINCE MAR 1 8 17 -9 32  
SINCE JAN 1 12 17 -5 32    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 500 AM  
LOWEST 18 400 PM  
AVERAGE 39  
   
......................................................
 
 
 
THE ROANOKE VA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1985  
MINIMUM TEMPERATURE (F) 47 31 1956  
1934  
1913  
 
 
SUNRISE AND SUNSET  
APRIL 21 2018.........SUNRISE 637 AM EDT SUNSET 800 PM EDT  
APRIL 22 2018.........SUNRISE 636 AM EDT SUNSET 801 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
RCS  
 
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