PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: DECEMBER YEAR: 2003 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 31 40 2 25 0 0.00 0.0 0 16.1 24 280 M M 1 39 280 2 41 27 34 -4 31 0 0.00 0.0 0 11.5 16 280 M M 0 31 310 3 32 23 28 -9 37 0 0.00 0.0 0 2.6 7 110 M M 6 M M 4 29 24 27 -10 38 0 0.89 6.8 1 1.3 6 130 M M 10 146 M M 5 33 29 31 -6 34 0 0.07 0.2 4 0.7 5 90 M M 10 146 M M 6 35 29 32 -4 33 0 0.03 0.2 5 11.2 17 300 M M 10 1 27 310 7 35 26 31 -5 34 0 T T 4 11.1 18 310 M M 4 29 320 8 45 20 33 -3 32 0 0.00 0.0 4 0.7 5 130 M M 0 M M 9 48 22 35 0 30 0 0.00 0.0 3 1.4 7 120 M M 1 M M 10 42 32 37 2 28 0 0.52 0.0 1 5.9 10 80 M M 8 M M 11 39 29 34 -1 31 0 T T T 17.2 24 300 M M 9 37 290 12 39 25 32 -3 33 0 0.00 0.0 T 8.5 15 290 M M 2 23 290 13 33 19 26 -8 39 0 0.31 1.2 T 5.9 13 90 M M 3 4 20 90 14 34 22 28 -6 37 0 0.32 0.7 2 6.9 17 300 M M 10 46 27 300 15 44 24 34 0 31 0 T T 1 9.4 21 290 M M 4 32 300 16 50 22 36 2 29 0 0.00 0.0 T 3.7 12 180 M M 2 18 210 17 43 26 35 1 30 0 0.24 T T 12.7 23 300 M M 10 32 300 18 31 24 28 -5 37 0 0.03 0.5 1 6.2 16 300 M M 9 28 300 19 30 22 26 -7 39 0 T 0.1 1 8.9 17 310 M M 9 29 310 20 27 19 23 -10 42 0 0.02 0.4 1 10.1 16 310 M M 8 27 310 21 45 12 29 -4 36 0 0.00 0.0 1 4.4 9 270 M M 0 M M 22 51 18 35 2 30 0 0.00 0.0 0 3.6 14 250 M M 0 21 250 23 54 24 39 7 26 0 0.02 0.0 0 4.8 16 190 M M 4 1 22 210 24 52 26 39 7 26 0 0.07 T 0 9.4 16 300 M M 9 24 300 25 32 22 27 -5 38 0 T T 0 11.2 16 300 M M 5 24 300 26 39 24 32 0 33 0 0.00 0.0 0 9.9 16 290 M M 1 24 290 27 57 20 39 7 26 0 0.00 0.0 0 1.5 10 290 M M 1 16 290 28 57 20 39 7 26 0 0.00 0.0 0 1.2 7 130 M M 0 M M 29 57 25 41 9 24 0 0.00 0.0 0 3.3 10 220 M M 1 16 200 30 51 30 41 9 24 0 0.14 0.0 0 12.4 22 300 M M 4 33 290 31 56 18 37 6 28 0 0.00 0.0 0 3.4 13 260 M M 0 16 260 ================================================================================ SM 1309 734 987 0 2.66 10.1 217.1 M 141 ================================================================================ AV 42.2 23.7 7.0 FASTST PSBL % 5 MAX(MPH) MISC ----> # 24 300 39 280 ================================================================================ 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: 2003 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 33.0 TOTAL FOR MONTH: 2.66 1 = FOG DPTR FM NORMAL: -1.1 DPTR FM NORMAL: -0.21 2 = FOG REDUCING VISIBILITY HIGHEST: 57 ON 29,28 GRTST 24HR 0.89 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: 12 ON 21 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 10.1 INCHES 5 = HAIL GRTST 24HR 6.8 ON 4- 4 6 = GLAZE OR RIME GRTST DEPTH: 5 ON 6 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: 6 0.01 INCH OR MORE: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 987 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL 28 PTCLDY (SCALE 4-7) 6 SEASONAL TOTAL 1998 CLOUDY (SCALE 8-10) 11 DPTR FM NORMAL -168 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 571 HIGHEST SLP M ON M DPTR FM NORMAL 38 LOWEST SLP M ON M [REMARKS]