PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: APRIL YEAR: 2002 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 57 34 46 0 19 0 0.00 0.0 M 7.8 16 280 M M 4 24 280 2 71 31 51 5 14 0 0.00 0.0 M 5.4 14 200 M M 2 22 190 3 65 35 50 4 15 0 0.00 0.0 M 8.5 23 310 M M 4 30 310 4 51 32 42 -5 23 0 0.00 0.0 M 5.4 10 260 M M 3 16 340 5 52 23 38 -9 27 0 0.00 0.0 0 7.6 18 320 M M 1 28 290 6 45 27 36 -11 29 0 0.00 0.0 M 7.6 15 300 M M 5 22 340 7 56 18 37 -11 28 0 0.01 0.0 M 3.5 10 170 M M 1 20 220 8 64 32 48 0 17 0 0.00 0.0 M 6.7 18 190 M M 5 27 190 9 63 54 59 11 6 0 0.29 0.0 M 8.2 15 210 M M 10 22 210 10 71 48 60 12 5 0 0.01 0.0 M 5.2 9 120 M M 4 M M 11 69 34 52 3 13 0 0.00 0.0 M 4.7 12 90 M M 1 18 90 12 63 41 52 3 13 0 T 0.0 M 3.3 8 110 M M 7 1 M M 13 66 52 59 10 6 0 0.32 0.0 M 2.2 9 180 M M 10 M M 14 74 45 60 10 5 0 0.18 M M 4.0 12 220 M M 9 21 220 15 79 50 65 15 0 0 T 0.0 M 2.3 8 260 M M 5 M M 16 86 49 68 18 0 3 0.00 0.0 0 2.6 8 190 M M 2 M M 17 83 53 68 18 0 3 0.00 0.0 M 4.5 12 270 M M 4 M M 18 83 53 68 17 0 3 0.15 0.0 M 2.5 9 120 M M 3 3 M M 19 80 55 68 17 0 3 0.51 0.0 0 2.6 9 340 M M 3 3 20 340 20 76 56 66 15 0 1 0.01 0.0 M 6.3 16 300 M M 3 24 300 21 80 54 67 15 0 2 0.20 0.0 M 3.3 10 120 M M 6 M M 22 66 46 56 4 9 0 0.11 M M 12.2 22 310 M M 6 1 31 310 23 58 36 47 -5 18 0 0.00 0.0 M 8.2 13 310 M M 4 22 310 24 67 33 50 -2 15 0 0.09 M M 3.5 12 210 M M 4 1 M M 25 58 44 51 -2 14 0 0.55 M M 9.0 21 310 M M 6 30 310 26 57 37 47 -6 18 0 T 0.0 M 3.6 9 290 M M 3 M M 27 66 32 49 -4 16 0 0.02 0.0 M 4.2 14 140 M M 6 18 140 28 76 53 65 11 0 0 0.21 0.0 M 8.5 20 300 M M 9 3 35 250 29 60 44 52 -2 13 0 0.00 0.0 M 15.9 23 300 M M 2 35 310 30 72 34 53 -1 12 0 0.00 0.0 M 4.9 13 260 M M 0 24 270 ================================================================================ SM 2014 1235 335 15 2.66 0.0 174.2 M 132 ================================================================================ AV 67.1 41.2 5.8 FASTST PSBL % 4 MAX(MPH) MISC ----> # 23 300 # 35 310 ================================================================================ 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: 2002 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 54.2 TOTAL FOR MONTH: 2.66 1 = FOG DPTR FM NORMAL: 4.2 DPTR FM NORMAL: -1.17 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 16 GRTST 24HR 0.55 ON 25-25 TO 1/4 MILE OR LESS LOWEST: 18 ON 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR 0.0 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: 14 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 7 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 335 CLEAR (SCALE 0-3) 10 DPTR FM NORMAL -78 PTCLDY (SCALE 4-7) 16 SEASONAL TOTAL 4570 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -661 [CDD (BASE 65) ] TOTAL THIS MO. 15 DPTR FM NORMAL 15 [PRESSURE DATA] SEASONAL TOTAL 15 HIGHEST SLP M ON M DPTR FM NORMAL 15 LOWEST SLP M ON M [REMARKS]