Climatological Report (Annual)
Issued by NWS Blacksburg, VA
Issued by NWS Blacksburg, VA
000 CXUS51 KRNK 010814 CLAROA CLIMATE REPORT NATIONAL WEATHER SERVICE BLACKSBURG, VA 314 AM EST SAT JAN 01 2022 ................................... ...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1912 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 105 08/21/1983 07/10/1936 08/05/1930 LOW -12 12/30/1917 HIGHEST 96 08/10 08/12 LOWEST 17 02/21 AVG. MAXIMUM 69.8 68.5 1.3 AVG. MINIMUM 49.0 47.6 1.4 MEAN 59.4 58.1 1.3 DAYS MAX >= 90 46 30.4 15.6 DAYS MAX <= 32 1 6.2 -5.2 DAYS MIN <= 32 73 76.6 -3.6 DAYS MIN <= 0 0 0.2 -0.2 PRECIPITATION (INCHES) RECORD MAXIMUM 62.65 2020 MINIMUM 25.67 1963 TOTALS 37.83 42.82 -4.99 DAYS >= .01 117 120.5 -3.5 DAYS >= .10 72 74.2 -2.2 DAYS >= .50 25 28.9 -3.9 DAYS >= 1.00 6 10.9 -4.9 GREATEST 24 HR. TOTAL 3.40 SNOWFALL (INCHES) TOTALS 8.4 14.8 -6.4 3.5 DAYS >= TRACE 22 DAYS >= 1.0 2 GREATEST 24 HR TOTAL 0.0 DEGREE DAYS HEATING TOTAL 3523 3868 -345 COOLING TOTAL 1608 1368 240 .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.9 RESULTANT WIND SPEED/DIRECTION 2/290 HIGHEST WIND SPEED/DIRECTION 38/030 DATE 06/13 HIGHEST GUST SPEED/DIRECTION 57/220 DATE 05/04 SKY COVER AVERAGE SKY COVER 0.43 AVERAGE RH (PERCENT) 62 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 41 MIXED PRECIP 0 HEAVY RAIN 32 RAIN 56 LIGHT RAIN 158 FREEZING RAIN 1 LT FREEZING RAIN 5 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 19 SLEET 5 FOG 96 FOG W/VIS <= 1/4 MILE 15 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ RCS