ACON VA/NC/SC SEPTEMBER 1999 SUMMARY - TEMPERATURES/WIND/ELEMENTS ----------------------------------------------------------------------------- VIRGINIA ---------------------------------------------------------------------------- STN A B C D E F G H I J K L M N O P Q R R1 S ----------------------------------------------------------------------------- ANN 75.23 60.23 67.73 85 9 46 22,23 0 0 0 0 37 W 17 1 0 0 0 2 2400 1,14 BCB 62.0 87 3 36 23 2400 CEN 78.0 59.0 68.5 90 8 44 23 1 0 0 0 18 NW 16 1 0 0 0 0 1200/2400 14,17 DCA 77.7 62.5 70.1 86 8,9 48 23 14 2 0 0 2400 IAD 77.2 56.8 67.0 86 3,7,8 40 23 0 0 0 0 2400 9 BRI 77.3 55.0 66.2 90 9 41 23 1 0 0 0 1 0 0 0 0 0530/1630 FCH 76.9 62.8 69.9 86 8,9 48 23 0 0 0 0 3 0 0 0 1 2400 FRB 76.6 58.7 67.6 86 9 42 23 0 0 0 0 1 0 0 0 2 0800 HAM 78.4 63.3 70.9 88 9 49 23 0 0 0 0 68 N 16 7 0 0 0 0 2100 HER 75.7 57.0 66.4 86 3,8,9 42 23 0 0 0 0 28 16 3 0 0 0 2400 HRN 76.9 57.6 66.7 88.0 7 41.6 23 0 0 0 0 31(i)NE 5 0 0 0 0 0 2400 LKU 76.50 53.50 64.90 88 8 37 23 0 0 0 0 42 NNW 16 3 0 0 0 0 2400 LOU 74.93 58.93 66.93 86 4 41 23 0 0 0 0 4 0 0 0 1 0800 LYH 65.8 87 2,3,7 39 23 NEW 76.8 53.6 65.2 90 9 39 22 1 0 0 0 39 S 6 3 0 0 0 7 1800 NPN 79.3 62.4 70.8 87 8,9 44 23 0 0 0 0 6 0 0 0 0 2400 NOR 78.6 63.8 71.2 88 8 47 23 0 0 0 0 2 0 0 0 0 2400 23 ORF 78.1 66.0 72.0 87 8 54 24 0 0 0 0 46 WNW 2400 POR 77.7 65.6 71.7 86 8 49 23 0 0 0 0 60 WNW 16 4 0 0 0 0 2400 MEC 73 58.4 68.13 85 7 43 23 0 0 0 0 3 0 0 0 0 1800 RMD 77.6 67.3 69.9 87 7 47 23 0 0 0 0 2 0 0 0 0 2300 RIC 76.9 60.0 68.5 87 7 43 23 0 0 0 0 51 NNE 2400 ROA 66.4 90 3 45 23 ROK 78.0 55.0 66.5 89 3 42 23 0 0 0 0 20 NW 16,30 1 0 0 0 0 2200 AKQ 78.3 59.6 68.97 88 8 41 23 2400 WEE 78.3 54.7 66.5 88 6,8 46 19,24 0 0 0 0 60(E)ENE 16 1 0 0 0 2 0800 WOO 74.1 58.4 66.3 87 12 43 22 0 0 0 0 10 0 0 0 5 0800 WSH 75.1 58.0 66.6 86.6 2 46.2 22 0 0 0 0 21 SSW 16 3 0 0 0 0 2400 VNA 76.4 58.5 67.5 85 8,9 44 23 0 0 0 0 3 0 0 0 3 2200 ----------------------------------------------------------------------------- NORTH CAROLINA ---------------------------------------------------------------------------- AVL 78.8 52.3 65.6 89 3,8 36 23 0 0 0 0 54 N 2400 BRE 78.2 50.3 64.3 91 2+32 23 2+0 1 0 41 16 0 0 0 0 6 2100 CLT 81.3 56.9 69.1 91 7,8 39 23 9 0 0 0 39 N 2400 RAL 79.4 58.3 68.9 87 2,3 40 23 0 0 0 0 27 6 4 0 0 0 2 2400 RDU 78.9 59.3 69.1 89 7,8 41 23 ROX 78.0 60.1 69.1 90 7 41.0 23 1 0 0 0 52 NW 16 1 0 0 0 3 2100 ILM 83.1 65.5 74.3 91 5 46 23 1 0 0 0 82 NW 16 5 0 0 0 2 2400 ----------------------------------------------------------------------------- SOUTH CAROLINA ----------------------------------------------------------------------------- CAE 84.9 60.6 72.8 97 6 43 23 2400 CHS 84.3 65.1 74.7 98 5 46 23 8 0 0 0 51 N 15 3 4 2400 GSP 84.0 59.9 72.0 94 8 43 23 6 0 0 0 37 NE 2400 RUB 79.3 57.4 68.4 88 7 40 23 0 0 0 0 0 0 0 0 3 2400 ------------------------------------------------------------------------------ NEARBY LOCATIONS ----------------------------------------------------------------------------- TRI 81.2 51.8 66.5 94 4 35 23 5 0 0 0 2400 CHW 65.7 52.3 59.0 76.1 3 32.7 22 0 0 0 0 2400 ----------------------------------------------------------------------------- ACON VA/NC/SC SEPTEMBER 1999 SUMMARY - PRECIPITATION/BAROMETRIC PRESSURE ------------------------------------------------------------------------------------- VIRGINIA ------------------------------------------------------------------------------------- STN T U V V1 W X Y Z 1 2 3 4 5 6 7 S ------------------------------------------------------------------------------------- ANN 11.33 3.65 16 3.97 15- 15 4 36.50 0.0 0.0 16.9 30.30 27 29.37 16 2400 BCB 4.96 16 CEN 10.27 2.49 16 2.94 15- 13 4 41.37 0.0 0.0 22.4 30.30 27 29.47 16 2400 16 DCA 10.27 3.67 16 14 2 33.76 0.0 0.0 11.6 2400 IAD 9.32 2.05 16 2.38 15- 14 5 36.66 0.0 0.0 20.2 2400 16 BRI 8.37 2.70 4 3.76 4-5 10 3 29.15 0.0 0.0 23.5 30.20 29.78 0530/1630 FCH 12.71 5.00 16 5.86 15- 13 3 45.04 0.0 0.0 13.7 16 FRB 9.37 3.04 15-16 14 2 30.52 0.0 0.0 6.95 0800 HAM 20.20 5.40 15 10.30 15- 10 7 48.81 0.0 0.0 1.0 30.30 23 28.96 16 2100 16 HER 9.51 2.40 16 2.40 16 15 3 37.61 0.0 0.0 20.4 30.32 27 29.35 16 2400 HRN 9.69 2.10 16 2.32 15- 14 5 35.98 0.0 0.0 18.1 30.311 29.463 2400 16 LKU 8.96 1.95 29 1.95 29 16 3 33.02 0.0 0.0 5.0 30.49 29.48 2400 LOU 10.68 3.00 30 6 4 34.70 0.0 0.0 6.5 30.60 27 29.60 16 0800 LYH 12.05 NEW 9.63 1.85 5 12 4 33.86 0.0 0.0 25.75 30.32 27 29.78 16 1800 NPN 24.24 8.49 15 13.68 15- 15 5 58.48 0.0 0.0 0.8 2300 16 NOR 17.06 5.32 15 6.96 15- 15 4 55.16 0.0 0.0 0.2 2400 16 ORF 13.16 6.00 15-16 17 4 44.03 0.0 0.0 0.3 30.27 28 28.83 16 2400 POR 21.91 7.00 15 8.89 15- 15 6 61.89 0.0 0.0 0.1 30.28 28 28.99 16 2400 16 MEC 17.54 7.10 16 7.91 15- 15 4 46.90 0.0 0.0 2.5 29.80 27 29.16 16 1800 16 18 RMD 16.43 5.53 16 15 6 39.31 0.0 0.0 2300 RIC 16.60 4.53 16 14 6 43.22 0.0 0.0 2.4 30.31 28 29.33 16 2400 ROA 7.38 2400 ROK 8.82 3.80 5 3.80 5 11 1 34.58 0.0 0.0 9.3 30.24 26 29.70 5, 2400 16 AKQ 22.03 7.48 16 16 4 55.33 0.0 0.0 0.3 2400 WEE 16.34 11.50 16 11.5 16 10 4 0.0 0.0 30.26 29.14 1 1630 WOO 6.60 1.71 5-6 12 2 28.06 0.0 0.0 29.5 30.63 27 30.06 16 0800 WSH 14.99 3.81 29 4.15 29- 14 6 39.25 0.0 0.0 26.5 30.34 27 29.56 16 2400 30 VNA 12.49 3.40 16 3.40 16 14 5 37.77 0.0 0.0 19.0 2200 ------------------------------------------------------------------------------------- NORTH CAROLINA ------------------------------------------------------------------------------------- AVL 2.20 1.82 27-28 4 1 0.0 0.0 30.21 26 29.67 16 2400 BRE 1.96 1.24 28 5 1 34.54 0.0 0.0 9.9 30.34 12 29.88 15 2900 28 CLT 4.26 1.05 21-22 9 1 26.21 0.0 0.0 1.9 30.21 28 29.51 16 2400 RAL 23.20 4.83 2-3 15 9 51.12 0.0 0.0 T 30.26 28 29.38 16 1900 RDU 21.79 5.41 4-5 44.68 ROX 15.99 2.93 4 2.93 4 12 6 42.17 0.0 0.0 T 30.26 28 29.38 16 2100 ILM 23.41 13.38 15 14.84 15-14 5 39.85 0.0 0.0 T 30.25 25 28.33 16 2400 16 ------------------------------------------------------------------------------------- SOUTH CAROLINA ------------------------------------------------------------------------------------- CAE 3.58 25.72 0.0 0.0 0.0 2400 CHS 10.81 4.96 28 5.35 28- 11 2 35.97 0.0 0.0 T 30.19 28 29.22 15 2400 29 GSP 3.04 0.90 27-28 8 0 24.68 0.0 0.0 1.9 30.17 28 29.60 16 2400 RUB 9.48 1.82 27 1.82 27 6 5 39.86 0.0 0.0 T 30.15 28 29.55 15 2400 ------------------------------------------------------------------------------------- NEARBY LOCATIONS ------------------------------------------------------------------------------------- TRI 1.09 0.43 5-6 5 0 27.77 0.0 0.0 30.21 1 29.77 16 2400 ------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------- ACON DATA REPORT DENOTATIONS ----------------------------------------------------------------------------------------- STATION/LOCATION (MILES & DIRECTION FROM MAIN POST OFFICE) /OBSERVER /YEAR RECORDS BEGAN: ANN Annandale, VA 1 3/4 ENE ROA Roanoke, VA Airport Lowell Koontz 12/90 DCA Arlington, VA NWS ROK Roanoke, VA 6SW Wendell Prillaman BCB Blacksburg, VA NWS 4/76 BRI Bridgewater, VA Clayton Towers VNA Vienna, VA Robert Boott, 1.5SW CEN Centreville, VA Paul Bassett 1985 AKQ Wakefield, VA NWS WSH Washington, VA David Yowell CHO Charlottesville, VA 3N John Stewart (Rappahannock County) 1/91 WEE Weems, VA 3WNW Francis J. Socey WOO Woodstock, VA 5NW Lauck Walton IAD Dulles International Airport 12/1/85 AVL Asheville, NC NWS BRE Brevard, NC 1SE Bob Keehn 1/1/90 FCH Falls Church, VA Erica Page CLT Charlotte, NC NWS 3/7/94 FRB Fredericksburg, VA 7SW Ken McKneely GSO Greensboro, NC NWS HAM Hampton, VA 5NE Dave Kessel 1989 HER Herndon, VA R.M. Beall P- 10/76 RAL Raleigh, NC 7NNW Bob Woodson T- 1/91 6/1/93 HRN Herndon, VA 4SW Russ Topping RDU Raleigh-Durham, NC NWS 1985 LKU Louisa, VA 1N Joseph Bowers 1944 LOU Louisa, VA 6S John Bullock (about 1970) LYH Lynchburg, VA NWS ROA Roanoke, VA NEW Newmarket, VA 2W Joyce Winfree ROX Roxboro, NC 2SE Merriell A. Jay 1/93 NPN Newport News, VA 7N Gary Leonard ILM Wilmington, NC NWS 6/91 CHS Charleston, SC NWS, courtesy of Eleanor Vallier-Talbot NOR Norfolk, VA 3NE Jim Fentress 6/1/77 CAE Columbia, SC NWS ORF Norfolk, VA 5NE NWS 1871 GSP Greenville-Spartanburg, SC NWS POR Portsmouth, VA 3S Bill Trotter RUB Ruby, SC 3 NW Franklin Hancock 7/1/76 MEC Mechanicsville, VA Glen Martin 11/19/91 RMD Richmond, VA Roy Britt 8/22/83 TRI Tri-cities/Bristol, TN NWS RIC Richmond, VA NWS CHW Canaan Heights, WV Dave Lesher COLUMN DENOTATIONS: A maximum mean temperature T total precipitation (inches) B minimum mean temperature U maximum calendar day precipitation (inches) C monthly mean temperature V date(s) of maximum daily precipitation V1 maximum 24-hour precip. & date(s) D maximum temperature W number of days with precip. >= .01" E date(s) of maximum temperature X number of days with precip. >= 1.0" F minimum temperature Y year-to-date precipitation (inches) G date(s) of minimum temperature Z maximum calendar day snowfall (inches) H days with maximum temperature >=90 1 date of maximum calendar day snowfall (inches) I days with maximum temperature <=32 2 number of days with snowfall J days with minimum temperature <=32 3 number of days with snowfall >= 1.0" K days with minimum temperature <= 0 4 total snowfall for month (inches) L peak wind gust (miles per hour) 5 total snowfall for '98-'99 season (inches) M direction of peak wind gust 6 maximum barometric pressure (inches) & date N date(s) of peak wind gust 7 minimum barometric pressure (inches) & date O number of days with thunder (i) incomplete data P number of days with hail (M) Missing, if listed in data table Q number of days with glaze E estimated R number of days with ice pellets ~ "about" R1 number of days with dense fog NR Not recorded S local observation time for temps/precipitation ------------------------------------------------------------------------------------------