PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: APRIL 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 59 37 48 2 17 0 0.13 0.0 0 5.4 14 120 M M 7 1 M M 2 51 33 42 -4 23 0 0.71 T 0 14.0 28 310 M M 10 13 43 310 3 55 32 44 -2 21 0 0.02 0.2 0 22.7 30 310 M M 2 55 300 4 68 41 55 8 10 0 0.00 0.0 0 10.1 17 310 M M 0 32 290 5 76 35 56 9 9 0 0.00 0.0 0 2.7 10 180 M M 1 20 210 6 77 41 59 12 6 0 0.00 0.0 0 3.4 13 180 M M 2 18 210 7 62 49 56 8 9 0 0.10 0.0 0 4.9 9 210 M M 7 1 18 210 8 68 50 59 11 6 0 0.06 0.0 0 6.2 14 90 M M 9 12 20 100 9 67 42 55 7 10 0 0.00 0.0 0 7.2 13 120 M M 3 21 120 10 78 34 56 8 9 0 0.00 0.0 0 1.6 8 110 M M 0 M M 11 79 43 61 12 4 0 0.00 0.0 0 3.5 10 90 M M 2 M M 12 58 40 49 0 16 0 0.34 0.0 0 6.2 12 110 M M 8 M M 13 42 34 38 -11 27 0 0.29 0.0 0 5.1 14 90 M M 10 12 22 90 14 65 28 47 -3 18 0 0.00 0.0 0 3.2 10 100 M M 5 12 M M 15 61 35 48 -2 17 0 0.00 0.0 0 8.5 16 100 M M 0 22 110 16 64 26 45 -5 20 0 0.00 0.0 0 4.3 12 70 M M 1 12 60 17 73 28 51 1 14 0 0.00 0.0 0 2.3 12 300 M M 1 M M 18 73 40 57 6 8 0 0.00 0.0 0 2.4 8 280 M M 3 M M 19 77 42 60 9 5 0 0.00 0.0 0 2.3 9 270 M M 3 1 M M 20 76 43 60 9 5 0 0.00 0.0 0 5.3 16 260 M M 1 22 250 21 76 49 63 11 2 0 T 0.0 0 4.4 12 270 M M 4 18 270 22 70 52 61 9 4 0 0.35 0.0 0 5.4 12 110 M M 9 123 18 220 23 58 36 47 -5 18 0 T 0.0 0 12.9 22 310 M M 6 35 280 24 40 29 35 -17 30 0 T T T 14.4 20 290 M M 10 29 280 25 60 38 49 -4 16 0 0.00 0.0 0 11.7 20 280 M M 5 36 300 26 61 36 49 -4 16 0 0.06 0.0 0 5.1 14 190 M M 7 23 190 27 55 37 46 -7 19 0 0.05 0.0 0 7.9 16 310 M M 6 21 300 28 59 39 49 -5 16 0 0.00 0.0 0 7.1 10 240 M M 4 21 250 29 58 43 51 -3 14 0 0.27 0.0 0 2.3 10 220 M M 10 M M 30 67 50 59 5 6 0 0.14 0.0 0 6.6 14 210 M M 8 1 22 200 ================================================================================ SM 1933 1162 395 0 2.52 0.2 199.1 M 144 ================================================================================ AV 64.4 38.7 6.6 FASTST PSBL % 5 MAX(MPH) MISC ----> 30 310 55 300 ================================================================================ 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: 2005 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 51.6 TOTAL FOR MONTH: 2.52 1 = FOG DPTR FM NORMAL: 1.6 DPTR FM NORMAL: -1.31 2 = FOG REDUCING VISIBILITY HIGHEST: 79 ON 11 GRTST 24HR 0.71 ON 2- 2 TO 1/4 MILE OR LESS LOWEST: 26 ON 16 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.2 INCH 5 = HAIL GRTST 24HR 0.2 ON 3- 3 6 = GLAZE OR RIME GRTST DEPTH: 0 7 = BLOWING DUST OR SAND: 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: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 5 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 395 CLEAR (SCALE 0-3) 13 DPTR FM NORMAL -57 PTCLDY (SCALE 4-7) 9 SEASONAL TOTAL 4685 CLOUDY (SCALE 8-10) 8 DPTR FM NORMAL -608 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP M ON M [REMARKS]