PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: APRIL 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 74 51 63 17 2 0 T 0.0 0 10.2 18 300 M M 6 1 29 280 2 77 40 59 13 6 0 T 0.0 0 4.4 10 330 M M 4 1 M M 3 72 42 57 11 8 0 0.29 0.0 0 9.2 25 310 M M 8 3 43 250 4 56 34 45 -2 20 0 0.01 0.0 0 14.8 24 300 M M 3 52 300 5 60 42 51 4 14 0 0.00 0.0 0 15.6 27 330 M M 2 39 300 6 68 38 53 6 12 0 0.01 0.0 0 4.8 10 310 M M 4 18 260 7 79 44 62 14 3 0 0.98 T 0 7.2 21 270 M M 6 35 62 270 8 59 41 50 2 15 0 0.18 0.0 0 7.6 15 320 M M 9 21 320 9 58 29 44 -4 21 0 0.00 0.0 0 3.9 9 310 M M 1 M M 10 68 28 48 0 17 0 0.00 0.0 0 1.7 6 190 M M 2 M M 11 75 34 55 6 10 0 0.00 0.0 0 2.8 10 180 M M 3 M M 12 72 46 59 10 6 0 0.00 0.0 0 4.0 12 220 M M 2 18 220 13 78 45 62 13 3 0 T 0.0 0 5.1 16 270 M M 5 3 21 320 14 80 44 62 12 3 0 0.11 0.0 0 4.6 14 270 M M 4 3 24 270 15 82 60 71 21 0 6 T 0.0 0 7.1 13 260 M M 6 3 22 310 16 79 55 67 17 0 2 T 0.0 0 2.9 9 210 M M 8 10 240 17 60 41 51 1 14 0 0.70 0.0 0 3.6 8 60 M M 9 13 M M 18 69 36 53 2 12 0 0.00 0.0 0 0.9 5 300 M M 6 12 M M 19 75 39 57 6 8 0 0.00 0.0 0 1.0 5 190 M M 3 M M 20 78 42 60 9 5 0 T 0.0 0 2.1 6 260 M M 5 12 M M 21 68 55 62 10 3 0 0.28 0.0 0 2.3 13 270 M M 8 21 270 22 68 45 57 5 8 0 1.01 0.0 0 2.8 7 270 M M 6 3 M M 23 74 41 58 6 7 0 T 0.0 0 4.7 13 280 M M 3 13 18 290 24 74 51 63 11 2 0 0.00 0.0 0 7.4 16 280 M M 4 23 280 25 77 46 62 9 3 0 0.30 0.0 0 4.1 12 250 M M 6 138 22 270 26 56 46 51 -2 14 0 0.05 0.0 0 4.8 10 110 M M 9 1 M M 27 66 44 55 2 10 0 0.01 0.0 0 3.1 8 340 M M 5 1 M M 28 69 36 53 -1 12 0 0.00 0.0 0 3.8 13 340 M M 2 1 16 310 29 67 35 51 -3 14 0 0.00 0.0 0 4.3 12 90 M M 1 M M 30 64 44 54 0 11 0 0.00 0.0 0 5.6 13 80 M M 2 21 80 ================================================================================ SM 2102 1274 263 8 3.93 T 156.4 M 142 ================================================================================ AV 70.1 42.5 5.2 FASTST PSBL % 5 MAX(MPH) MISC ----> # 27 330 # 62 270 ================================================================================ 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: APRIL YEAR: 2006 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 56.3 TOTAL FOR MONTH: 3.93 1 = FOG OR MIST DPTR FM NORMAL: 6.3 DPTR FM NORMAL: 0.10 2 = FOG REDUCING VISIBILITY HIGHEST: 82 ON 15 GRTST 24HR 1.01 ON M TO 1/4 MILE OR LESS LOWEST: 28 ON 10 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 7- 7 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: 0 0.01 INCH OR MORE: 9 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 263 CLEAR (SCALE 0-3) 11 DPTR FM NORMAL -189 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 4415 CLOUDY (SCALE 8-10) 6 DPTR FM NORMAL -878 [CDD (BASE 65) ] TOTAL THIS MO. 8 DPTR FM NORMAL 8 [PRESSURE DATA] TOTAL FM JAN 1 8 HIGHEST SLP M ON M DPTR FM NORMAL 8 LOWEST SLP M ON M [REMARKS]