PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROANOKE VA MONTH: DECEMBER YEAR: 2012 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 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 62 32 47 4 18 0 0.00 0.0 0 1.4 12 140 M M 1 14 140 2 67 35 51 9 14 0 T 0.0 0 2.7 13 160 M M 2 16 160 3 73 51 62 20 3 0 0.00 0.0 0 5.3 12 120 M M 5 16 250 4 72 44 58 16 7 0 0.00 0.0 0 3.2 15 240 M M 2 1 20 260 5 62 43 53 12 12 0 T 0.0 0 7.7 18 320 M M 3 22 320 6 47 31 39 -2 26 0 T 0.0 0 4.9 12 110 M M 3 M M 7 51 40 46 5 19 0 T 0.0 0 3.2 8 120 M M 7 9 140 8 68 39 54 14 11 0 0.00 0.0 0 5.8 17 250 M M 3 1 23 230 9 63 43 53 13 12 0 0.00 0.0 0 5.6 18 130 M M 6 12 23 140 10 62 49 56 16 9 0 0.03 0.0 0 1.7 24 310 M M 10 12 30 310 11 49 34 42 2 23 0 0.00 0.0 0 9.6 23 290 M M 3 30 280 12 44 34 39 -1 26 0 0.00 0.0 0 4.2 12 50 M M 4 14 50 13 49 28 39 0 26 0 0.00 0.0 0 3.0 9 30 M M 0 M M 14 61 23 42 3 23 0 0.00 0.0 0 3.1 15 230 M M 0 29 210 15 55 33 44 5 21 0 T 0.0 0 4.2 12 140 M M 3 14 140 16 53 40 47 8 18 0 0.18 0.0 0 1.5 12 320 M M 7 1 14 290 17 55 44 50 12 15 0 0.03 0.0 0 3.3 15 140 M M 5 12 18 150 18 54 40 47 9 18 0 0.00 0.0 0 10.3 24 300 M M 5 32 300 19 64 40 52 14 13 0 0.00 0.0 0 10.0 32 290 M M 0 41 280 20 45 38 42 4 23 0 0.49 0.0 0 4.6 13 110 M M 5 1 M M 21 45 33 39 1 26 0 T T 0 19.8 37 290 M M 10 54 290 22 42 33 38 0 27 0 0.00 0.0 0 17.6 33 310 M M 5 47 300 23 55 31 43 5 22 0 0.00 0.0 0 8.6 22 260 M M 0 29 240 24 45 38 42 5 23 0 0.52 0.0 0 3.3 15 140 M M 8 12 20 140 25 53 37 45 8 20 0 0.00 0.0 0 3.7 15 120 M M 5 1 M M 26 42 33 38 1 27 0 1.20 0.3 T 6.7 24 70 M M 10 146 33 80 27 42 30 36 -1 29 0 T T 0 15.6 35 300 M M 8 48 320 28 40 28 34 -3 31 0 T T T 3.8 12 290 M M 3 4 14 290 29 47 33 40 3 25 0 0.13 T 0 10.7 30 290 M M 9 14 40 290 30 40 30 35 -2 30 0 T 0.0 0 13.9 29 290 M M 4 37 300 31 45 28 37 0 28 0 0.00 0.0 0 8.7 17 260 M M 3 23 260 ================================================================================ SM 1652 1115 625 0 2.58 0.3 207.7 M 139 ================================================================================ AV 53.3 36.0 6.7 FASTST M M 4 MAX(MPH) MISC ----> # 37 290 # 54 290 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROANOKE VA MONTH: DECEMBER YEAR: 2012 LATITUDE: 37 19 N LONGITUDE: 79 58 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 44.6 TOTAL FOR MONTH: 2.58 1 = FOG OR MIST DPTR FM NORMAL: 5.6 DPTR FM NORMAL: -0.36 2 = FOG REDUCING VISIBILITY HIGHEST: 73 ON 3 GRTST 24HR 1.20 ON 26-26 TO 1/4 MILE OR LESS LOWEST: 23 ON 14 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.3 INCH 5 = HAIL GRTST 24HR 0.3 ON M 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: 0 0.01 INCH OR MORE: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 9 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 625 CLEAR (SCALE 0-3) 13 DPTR FM NORMAL -181 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 1512 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL -98 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 1423 HIGHEST SLP 30.48 ON 13 DPTR FM NORMAL 215 LOWEST SLP 29.47 ON 21 [REMARKS]