PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG VA MONTH: APRIL YEAR: 2009 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 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 57 48 53 7 12 0 0.21 0.0 0 4.2 9 110 M M 8 12 M M 2 52 47 50 4 15 0 0.33 0.0 0 5.1 9 90 M M 10 12 M M 3 59 46 53 7 12 0 0.17 0.0 0 14.1 24 300 M M 9 33 290 4 62 40 51 4 14 0 0.00 0.0 0 13.8 22 300 M M 3 30 300 5 75 32 54 7 11 0 0.00 0.0 0 5.4 15 210 M M 1 23 210 6 60 34 47 0 18 0 0.07 T 0 12.3 18 310 M M 9 28 280 7 39 29 34 -14 31 0 T T 0 14.0 21 290 M M 9 36 290 8 51 31 41 -7 24 0 0.00 0.0 0 9.3 16 260 M M 7 25 260 9 62 34 48 0 17 0 0.10 T 0 5.1 12 250 M M 2 18 230 10 65 37 51 3 14 0 0.22 0.0 0 3.5 10 130 M M 5 17 260 11 54 40 47 -2 18 0 0.06 0.0 0 10.2 22 310 M M 7 28 310 12 61 27 44 -5 21 0 0.00 0.0 0 2.9 8 260 M M 0 M M 13 53 40 47 -2 18 0 0.08 0.0 0 6.7 13 110 M M 8 1 24 140 14 52 44 48 -2 17 0 0.24 0.0 0 3.9 7 70 M M 10 1 M M 15 52 45 49 -1 16 0 0.00 0.0 0 7.1 14 290 M M 10 18 300 16 64 35 50 0 15 0 0.00 0.0 0 3.8 12 90 M M 2 17 90 17 72 31 52 2 13 0 0.00 0.0 0 2.6 8 290 M M 0 17 290 18 76 35 56 5 9 0 0.00 0.0 0 4.0 10 300 M M 0 M M 19 69 46 58 7 7 0 0.13 0.0 0 2.1 8 190 M M 5 1 M M 20 66 45 56 5 9 0 1.21 0.0 0 7.6 18 280 M M 8 13 28 280 21 58 34 46 -6 19 0 0.01 0.0 0 6.6 17 250 M M 3 1 29 260 22 55 35 45 -7 20 0 T T 0 8.4 21 280 M M 5 36 290 23 69 42 56 4 9 0 0.00 0.0 0 7.2 16 290 M M 0 27 290 24 84 41 63 11 2 0 0.00 0.0 0 2.8 14 240 M M 0 M M 25 86 49 68 15 0 3 0.00 0.0 0 2.9 16 220 M M 0 30 220 26 85 50 68 15 0 3 0.00 0.0 0 3.9 12 210 M M 0 18 210 27 82 47 65 12 0 0 0.00 0.0 0 4.5 14 210 M M 0 22 200 28 81 47 64 10 1 0 0.00 0.0 0 3.6 9 210 M M 0 16 220 29 71 52 62 8 3 0 0.15 0.0 0 4.2 12 90 M M 6 3 M M 30 70 49 60 6 5 0 0.00 0.0 0 6.5 15 210 M M 8 12 23 200 ================================================================================ SM 1942 1212 370 6 2.98 T 188.3 M 135 ================================================================================ AV 64.7 40.4 6.3 FASTST M M 5 MAX(MPH) MISC ----> 24 M 36 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 VA MONTH: APRIL YEAR: 2009 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 52.6 TOTAL FOR MONTH: 2.98 1 = FOG OR MIST DPTR FM NORMAL: 2.6 DPTR FM NORMAL: -0.85 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 25 GRTST 24HR 1.21 ON 20-20 TO 1/4 MILE OR LESS LOWEST: 27 ON 12 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 22-22 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: 13 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 5 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 370 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL -82 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 4966 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL -327 [CDD (BASE 65) ] TOTAL THIS MO. 6 DPTR FM NORMAL 6 [PRESSURE DATA] TOTAL FM JAN 1 6 HIGHEST SLP M ON M DPTR FM NORMAL 6 LOWEST SLP M ON M [REMARKS]