PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROANOKE MONTH: DECEMBER YEAR: 2007 LATITUDE: 37 19 N LONGITUDE: 79 58 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 54 39 47 4 18 0 T 0.0 0 6.7 16 130 M M 0 20 130 2 44 35 40 -2 25 0 0.06 0.0 0 4.5 10 140 M M 5 13 140 3 58 32 45 3 20 0 T 0.0 0 16.1 33 300 M M 4 1 41 300 4 43 30 37 -5 28 0 0.00 0.0 0 11.5 24 300 M M 1 29 280 5 41 28 35 -7 30 0 0.04 0.4 0 3.6 21 320 M M 9 1 25 320 6 39 22 31 -10 34 0 0.00 0.0 0 5.9 17 310 M M 1 20 310 7 40 25 33 -8 32 0 T T 0 1.9 10 150 M M 8 46 13 170 8 61 38 50 9 15 0 0.01 0.0 0 5.0 13 50 M M 9 14 250 9 60 47 54 14 11 0 0.04 0.0 0 3.1 9 110 M M 4 18 12 210 10 73 51 62 22 3 0 0.00 0.0 0 9.4 23 260 M M 6 28 260 11 64 49 57 17 8 0 0.00 0.0 0 3.5 10 160 M M 3 128 12 150 12 73 46 60 20 5 0 0.00 0.0 0 9.0 20 250 M M 3 1 23 250 13 57 46 52 13 13 0 T 0.0 0 7.6 18 150 M M 9 21 140 14 58 37 48 9 17 0 0.00 0.0 0 8.3 16 310 M M 0 21 310 15 39 32 36 -3 29 0 0.75 0.0 0 5.2 14 110 M M 9 18 16 110 16 46 33 40 1 25 0 0.15 T 0 15.1 36 280 M M 9 1 47 310 17 38 28 33 -6 32 0 T T 0 15.1 36 290 M M 3 44 300 18 46 22 34 -4 31 0 0.00 0.0 0 5.3 14 270 M M 1 17 280 19 49 32 41 3 24 0 T T 0 5.9 17 250 M M 6 4 22 250 20 52 36 44 6 21 0 T 0.0 0 5.8 13 120 M M 1 15 150 21 41 33 37 -1 28 0 0.28 0.5 T 4.0 10 20 M M 10 18 12 30 22 43 38 41 3 24 0 0.03 0.0 0 3.9 10 150 M M 10 18 12 150 23 61 41 51 13 14 0 0.34 0.0 0 7.6 25 240 M M 7 1 33 250 24 51 34 43 6 22 0 0.00 0.0 0 8.4 16 260 M M 0 20 310 25 50 36 43 6 22 0 0.00 0.0 0 3.0 13 290 M M 3 15 300 26 52 31 42 5 23 0 0.00 0.0 0 5.0 14 50 M M 3 16 50 27 60 30 45 8 20 0 0.00 0.0 0 3.1 15 330 M M 6 20 240 28 45 33 39 2 26 0 0.70 0.0 0 1.7 12 130 M M 8 1 14 120 29 58 43 51 14 14 0 0.01 0.0 0 4.5 10 220 M M 5 1 14 250 30 45 39 42 5 23 0 0.35 0.0 0 4.6 17 140 M M 9 1 20 140 31 51 34 43 7 22 0 0.00 0.0 0 6.2 16 310 M M 1 20 250 ================================================================================ SM 1592 1100 659 0 2.76 0.9 200.5 M 153 ================================================================================ AV 51.4 35.5 6.5 FASTST PSBL % 5 MAX(MPH) MISC ----> # 36 280 # 47 310 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROANOKE MONTH: DECEMBER YEAR: 2007 LATITUDE: 37 19 N LONGITUDE: 79 58 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 43.4 TOTAL FOR MONTH: 2.76 1 = FOG OR MIST DPTR FM NORMAL: 4.3 DPTR FM NORMAL: -0.10 2 = FOG REDUCING VISIBILITY HIGHEST: 73 ON 12,10 GRTST 24HR 0.90 ON 15-16 TO 1/4 MILE OR LESS LOWEST: 22 ON 18, 6 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.9 INCH 5 = HAIL GRTST 24HR 0.5 ON 21-21 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: -1 ON M 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: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 11 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 659 CLEAR (SCALE 0-3) 12 DPTR FM NORMAL -139 PTCLDY (SCALE 4-7) 10 TOTAL FM JUL 1 1311 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -342 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 1725 HIGHEST SLP 30.50 ON 1 DPTR FM NORMAL 591 LOWEST SLP 29.48 ON 16 [REMARKS]