PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROANOKE VA MONTH: APRIL 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 76 44 60 8 5 0 T 0.0 0 6.5 18 280 M M 1 26 270 2 78 54 66 13 0 1 T 0.0 0 8.3 22 330 M M 3 29 330 3 80 41 61 8 4 0 0.00 0.0 0 6.1 20 260 M M 1 28 270 4 81 62 72 19 0 7 T 0.0 0 9.7 26 310 M M 3 35 320 5 66 45 56 2 9 0 0.09 0.0 0 4.6 13 30 M M 10 1 16 30 6 67 44 56 2 9 0 0.00 0.0 0 8.5 20 350 M M 4 23 30 7 70 34 52 -2 13 0 0.00 0.0 0 6.0 18 310 M M 0 23 310 8 75 43 59 4 6 0 0.00 0.0 0 11.8 26 270 M M 2 33 320 9 72 44 58 3 7 0 0.00 0.0 0 12.4 31 250 M M 1 8 39 250 10 68 48 58 3 7 0 0.00 0.0 0 16.2 37 280 M M 0 8 48 280 11 49 39 44 -12 21 0 T T 0 12.1 23 300 M M 5 30 300 12 63 36 50 -6 15 0 0.00 0.0 0 7.4 20 10 M M 1 23 10 13 66 38 52 -4 13 0 0.00 0.0 0 2.3 10 150 M M 2 15 120 14 76 38 57 1 8 0 0.00 0.0 0 3.9 14 170 M M 2 17 210 15 86 53 70 13 0 5 0.00 0.0 0 7.7 20 150 M M 0 26 150 16 89 58 74 17 0 9 0.00 0.0 0 9.0 23 250 M M 1 31 240 17 79 60 70 13 0 5 T 0.0 0 7.1 16 30 M M 4 M M 18 60 50 55 -2 10 0 0.91 0.0 0 5.2 14 80 M M 10 1 16 90 19 62 49 56 -2 9 0 0.00 0.0 0 2.2 10 20 M M 9 1 15 360 20 72 44 58 0 7 0 0.00 0.0 0 3.6 16 130 M M 5 12 20 150 21 77 53 65 7 0 0 0.63 0.0 0 3.5 23 280 M M 9 1 30 270 22 57 46 52 -6 13 0 0.64 0.0 0 7.6 18 330 M M 10 1 24 330 23 51 40 46 -13 19 0 0.01 0.0 0 13.3 29 300 M M 9 45 300 24 62 41 52 -7 13 0 0.00 0.0 0 11.7 29 320 M M 1 38 310 25 67 40 54 -5 11 0 0.06 0.0 0 5.8 15 270 M M 2 18 21 290 26 72 54 63 3 2 0 0.60 0.0 0 6.3 24 320 M M 7 1 32 330 27 70 53 62 2 3 0 0.00 0.0 0 9.6 24 310 M M 1 29 320 28 58 47 53 -7 12 0 0.10 0.0 0 4.6 17 320 M M 5 3 21 320 29 71 46 59 -1 6 0 T 0.0 0 4.5 13 130 M M 3 3 17 90 30 63 59 61 1 4 0 T 0.0 0 4.6 10 130 M M 10 12 13 110 ================================================================================ SM 2083 1403 226 27 3.04 T 222.1 M 121 ================================================================================ AV 69.4 46.8 7.4 FASTST M M 4 MAX(MPH) MISC ----> # 37 280 # 48 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROANOKE VA MONTH: APRIL YEAR: 2012 LATITUDE: 37 19 N LONGITUDE: 79 58 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 58.1 TOTAL FOR MONTH: 3.04 1 = FOG OR MIST DPTR FM NORMAL: 1.4 DPTR FM NORMAL: -0.33 2 = FOG REDUCING VISIBILITY HIGHEST: 89 ON 16 GRTST 24HR 1.18 ON 21-22 TO 1/4 MILE OR LESS LOWEST: 34 ON 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 11-11 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: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 226 CLEAR (SCALE 0-3) 17 DPTR FM NORMAL -49 PTCLDY (SCALE 4-7) 6 TOTAL FM JUL 1 3154 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL -878 [CDD (BASE 65) ] TOTAL THIS MO. 27 DPTR FM NORMAL 3 [PRESSURE DATA] TOTAL FM JAN 1 46 HIGHEST SLP 30.37 ON 28 DPTR FM NORMAL 17 LOWEST SLP 29.49 ON 23 [REMARKS]