PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: DECEMBER YEAR: 2006 LATITUDE: 37 13 N LONGITUDE: 80 25 W TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND ================================================================================ 1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 72 34 53 15 12 0 0.11 0.0 0 13.6 23 270 M M 5 39 270 2 47 29 38 0 27 0 0.00 0.0 0 7.0 16 300 M M 0 22 290 3 38 31 35 -2 30 0 0.00 0.0 0 1.9 9 300 M M 0 18 300 4 35 20 28 -9 37 0 0.00 0.0 0 9.8 16 310 M M 0 28 300 5 42 21 32 -5 33 0 0.00 0.0 0 5.8 12 280 M M 0 18 270 6 51 19 35 -1 30 0 0.00 0.0 0 4.0 13 200 M M 3 20 200 7 43 16 30 -6 35 0 T 0.1 T 11.6 21 310 M M 5 33 320 8 27 13 20 -16 45 0 T T 0 11.1 21 310 M M 2 29 310 9 44 14 29 -6 36 0 0.00 0.0 0 5.3 12 270 M M 1 M M 10 54 21 38 3 27 0 0.00 0.0 0 2.3 9 270 M M 0 M M 11 61 21 41 6 24 0 0.00 0.0 0 1.0 6 260 M M 0 M M 12 53 23 38 3 27 0 0.00 0.0 0 2.5 9 110 M M 0 M M 13 60 33 47 13 18 0 0.11 0.0 0 1.6 7 240 M M 4 18 M M 14 58 28 43 9 22 0 0.00 0.0 0 1.5 7 190 M M 5 12 M M 15 59 27 43 9 22 0 0.00 0.0 0 6.5 17 280 M M 2 1 27 280 16 63 30 47 13 18 0 0.00 0.0 0 3.3 9 300 M M 0 16 300 17 66 28 47 13 18 0 0.00 0.0 0 1.5 6 260 M M 0 M M 18 66 31 49 16 16 0 0.00 0.0 0 3.5 16 320 M M 1 21 320 19 54 29 42 9 23 0 0.03 0.0 0 4.3 13 340 M M 4 1 22 300 20 49 20 35 2 30 0 0.00 0.0 0 2.7 8 200 M M 0 M M 21 50 34 42 9 23 0 0.01 0.0 0 0.3 4 90 M M 8 1 M M 22 54 46 50 17 15 0 0.72 0.0 0 4.7 12 120 M M 10 12 18 120 23 55 37 46 14 19 0 0.00 0.0 0 5.5 14 290 M M 4 12 20 290 24 51 33 42 10 23 0 0.00 0.0 0 6.4 15 300 M M 0 23 300 25 42 33 38 6 27 0 0.64 0.0 0 5.0 12 90 M M 8 12 16 100 26 44 34 39 7 26 0 T T 0 7.3 14 290 M M 10 12 25 310 27 39 27 33 1 32 0 0.00 0.0 0 9.2 18 320 M M 5 28 320 28 55 22 39 7 26 0 0.00 0.0 0 0.6 5 220 M M 0 1 M M 29 58 24 41 9 24 0 0.00 0.0 0 0.4 4 120 M M 0 M M 30 56 27 42 10 23 0 0.00 0.0 0 1.5 8 270 M M 2 M M 31 47 41 44 13 21 0 0.21 0.0 0 5.4 12 110 M M 10 12 M M ================================================================================ SM 1593 846 789 0 1.83 0.1 147.1 M 89 ================================================================================ AV 51.4 27.3 4.7 FASTST PSBL % 3 MAX(MPH) MISC ----> # 23 270 39 M ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: BLACKSBURG MONTH: DECEMBER YEAR: 2006 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 39.3 TOTAL FOR MONTH: 1.83 1 = FOG OR MIST DPTR FM NORMAL: 5.2 DPTR FM NORMAL: -1.04 2 = FOG REDUCING VISIBILITY HIGHEST: 72 ON 1 GRTST 24HR 0.72 ON M TO 1/4 MILE OR LESS LOWEST: 13 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.1 INCH 5 = HAIL GRTST 24HR 0.1 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 0 7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS 8 = SMOKE OR HAZE [NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW X = TORNADO MAX 32 OR BELOW: 1 0.01 INCH OR MORE: 6 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 22 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 789 CLEAR (SCALE 0-3) 19 DPTR FM NORMAL -170 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 1923 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL -243 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 631 HIGHEST SLP M ON M DPTR FM NORMAL 98 LOWEST SLP M ON M [REMARKS]