PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BLACKSBURG MONTH: DECEMBER YEAR: 2001 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 65 37 51 13 14 0 0.00 0.0 0 3.9 10 280 M M 1 M M 2 60 29 45 7 20 0 0.00 0.0 0 1.5 8 100 M M 1 M M 3 63 22 43 6 22 0 0.00 0.0 0 0.0 M M M M 1 M M 4 70 27 49 12 16 0 0.00 0.0 0 0.6 5 330 M M 1 M M 5 75 32 54 17 11 0 0.00 0.0 0 0.8 5 160 M M 1 M M 6 68 42 55 19 10 0 0.00 0.0 0 3.0 12 250 M M 2 21 250 7 58 48 53 17 12 0 T 0.0 0 3.4 12 270 M M 7 M M 8 51 44 48 12 17 0 0.07 M 0 4.1 9 100 M M 10 12 M M 9 48 27 38 3 27 0 T 0.0 0 7.2 16 340 M M 4 23 300 10 38 28 33 -2 32 0 1.33 M 0 2.8 9 270 M M 8 1 M M 11 48 36 42 7 23 0 0.11 0.0 0 2.7 7 100 M M 10 1 M M 12 45 42 44 9 21 0 0.01 0.0 0 6.1 12 90 M M 10 M M 13 58 43 51 17 14 0 0.09 M 0 1.5 8 270 M M 10 1 M M 14 65 48 57 23 8 0 0.00 0.0 0 7.3 18 220 M M 6 28 220 15 49 32 41 7 24 0 0.00 0.0 0 7.2 18 310 M M 5 25 310 16 50 29 40 6 25 0 0.00 0.0 0 2.0 6 120 M M 2 M M 17 54 31 43 9 22 0 0.31 M 0 3.0 12 200 M M 8 1 18 200 18 53 32 43 10 22 0 0.02 M 0 14.8 26 310 M M 5 38 290 19 54 24 39 6 26 0 0.00 0.0 0 4.6 14 200 M M 2 22 200 20 43 26 35 2 30 0 0.00 0.0 0 14.0 23 300 M M 2 37 300 21 42 26 34 1 31 0 0.00 0.0 0 8.9 15 300 M M 0 27 290 22 49 17 33 0 32 0 0.00 0.0 0 1.6 7 130 M M 1 M M 23 48 23 36 4 29 0 0.13 M 0 4.3 13 280 M M 6 25 280 24 42 26 34 2 31 0 0.00 0.0 0 9.9 20 300 M M 1 25 300 25 38 16 27 -5 38 0 0.00 0.0 0 3.9 10 300 M M 4 16 280 26 33 18 26 -6 39 0 0.00 0.0 0 5.9 13 280 M M 4 18 280 27 32 22 27 -5 38 0 T T 0 10.7 17 280 M M 9 27 280 28 43 23 33 1 32 0 0.00 0.0 0 9.3 20 270 M M 3 33 260 29 44 20 32 0 33 0 T T 0 10.5 16 300 M M 7 25 300 30 29 16 23 -9 42 0 T T 0 11.4 18 300 M M 3 31 300 31 29 13 21 -10 44 0 0.00 0.0 0 8.2 15 310 M M 2 17 280 ================================================================================ SM 1544 899 785 0 2.07 T 175.1 M 136 ================================================================================ AV 49.8 29.0 5.6 FASTST PSBL % 4 MAX(MPH) MISC ----> 26 310 38 290 ================================================================================ 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: 2001 LATITUDE: 37 13 N LONGITUDE: 80 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 39.4 TOTAL FOR MONTH: 2.07 1 = FOG OR MIST DPTR FM NORMAL: 5.3 DPTR FM NORMAL: -0.80 2 = FOG REDUCING VISIBILITY HIGHEST: 75 ON 5 GRTST 24HR 1.33 ON 10-10 TO 1/4 MILE OR LESS LOWEST: 13 ON 31 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 30-30 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: 3 0.01 INCH OR MORE: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 23 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 785 CLEAR (SCALE 0-3) 15 DPTR FM NORMAL -174 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 1864 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL -302 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 547 HIGHEST SLP M ON M DPTR FM NORMAL 14 LOWEST SLP M ON M [REMARKS]