PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: DECEMBER YEAR: 2005 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 48 24 36 -2 29 0 0.01 0.1 0 4.8 15 300 M M 8 1 28 300 2 35 26 31 -7 34 0 T T 0 14.6 24 300 M M 3 38 290 3 38 23 31 -6 34 0 0.16 T 0 3.0 10 310 M M 6 146 20 290 4 58 33 46 9 19 0 0.20 0.0 0 5.5 16 320 M M 7 1 24 320 5 37 32 35 -2 30 0 0.28 2.6 0 3.1 12 110 M M 10 M M 6 33 16 25 -11 40 0 T T 2 5.7 10 280 M M 6 21 290 7 37 15 26 -10 39 0 0.00 0.0 1 4.8 10 310 M M 0 17 280 8 34 20 27 -9 38 0 0.24 0.3 1 5.1 9 110 M M 5 46 M M 9 34 20 27 -8 38 0 0.36 1.8 2 8.2 16 290 M M 3 46 31 300 10 44 13 29 -6 36 0 0.00 0.0 T 2.3 7 270 M M 0 M M 11 36 30 33 -2 32 0 0.01 0.2 T 10.5 16 270 M M 8 27 280 12 36 25 31 -4 34 0 0.01 0.1 T 5.2 13 290 M M 10 23 310 13 34 16 25 -9 40 0 0.00 0.0 T 4.1 7 310 M M 2 16 310 14 27 19 23 -11 42 0 0.00 0.0 T 5.1 9 120 M M 5 M M 15 34 23 29 -5 36 0 0.66 1.2 T 5.1 12 90 M M 10 146 M M 16 38 26 32 -2 33 0 0.00 0.0 1 6.3 17 310 M M 2 25 310 17 37 28 33 -1 32 0 0.00 0.0 1 2.0 8 280 M M 4 M M 18 47 27 37 4 28 0 0.00 0.0 T 0.8 5 100 M M 3 M M 19 34 21 28 -5 37 0 0.00 0.0 T 8.1 16 320 M M 3 24 320 20 32 16 24 -9 41 0 0.00 0.0 T 10.0 15 300 M M 0 22 290 21 36 14 25 -8 40 0 0.00 0.0 T 6.4 10 310 M M 0 M M 22 45 19 32 -1 33 0 0.00 0.0 T 4.9 13 310 M M 0 20 310 23 53 16 35 3 30 0 0.00 0.0 T 3.0 9 240 M M 0 M M 24 61 21 41 9 24 0 T 0.0 T 0.6 6 110 M M 0 M M 25 42 32 37 5 28 0 0.10 0.0 T 2.6 10 100 M M 10 12 M M 26 41 33 37 5 28 0 T T T 15.1 22 300 M M 10 38 290 27 51 26 39 7 26 0 0.00 0.0 0 8.3 16 300 M M 2 23 310 28 56 25 41 9 24 0 0.12 0.0 0 3.3 13 230 M M 5 20 230 29 45 34 40 8 25 0 0.03 0.0 0 8.9 18 300 M M 10 27 290 30 46 32 39 7 26 0 T 0.0 0 4.8 10 290 M M 7 17 280 31 52 33 43 12 22 0 0.02 0.0 0 4.0 14 280 M M 5 25 280 ================================================================================ SM 1281 738 998 0 2.20 6.3 176.2 M 144 ================================================================================ AV 41.3 23.8 5.7 FASTST PSBL % 5 MAX(MPH) MISC ----> 24 300 # 38 290 ================================================================================ 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: 2005 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 32.6 TOTAL FOR MONTH: 2.20 1 = FOG OR MIST DPTR FM NORMAL: -1.5 DPTR FM NORMAL: -0.67 2 = FOG REDUCING VISIBILITY HIGHEST: 61 ON 24 GRTST 24HR 0.66 ON 15-15 TO 1/4 MILE OR LESS LOWEST: 13 ON 10 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 6.3 INCHES 5 = HAIL GRTST 24HR 2.6 ON 5- 5 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 2 ON 9, 6 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: 2 0.01 INCH OR MORE: 13 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 27 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 998 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL 39 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 1874 CLOUDY (SCALE 8-10) 8 DPTR FM NORMAL -292 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 737 HIGHEST SLP M ON M DPTR FM NORMAL 204 LOWEST SLP M ON M [REMARKS]