503  
CDUS41 KRNK 180746  
CLIROA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BLACKSBURG, VA  
346 AM EDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE ROANOKE VA CLIMATE SUMMARY FOR JULY 17 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 88 2:51 PM 100 1977 88 0 90  
1980  
MINIMUM 67 5:51 AM 52 1926 68 -1 69  
AVERAGE 78 78 0 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.44 0.96 1917 0.14 0.30 0.58  
MONTH TO DATE 3.90 2.38 1.52 4.29  
SINCE JUN 1 7.93 7.04 0.89 5.71  
SINCE JAN 1 21.98 24.41 -2.43 24.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 4 8 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 13 0 15  
MONTH TO DATE 253 216 37 234  
SINCE JUN 1 435 488 -53 559  
SINCE JAN 1 544 637 -93 727    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 46 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ROANOKE VA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 102 1977  
MINIMUM TEMPERATURE (F) 68 52 1924  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 6:13 AM EDT SUNSET 8:39 PM EDT  
JULY 19 2023..........SUNRISE 6:14 AM EDT SUNSET 8:38 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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