PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROANOKE VA MONTH: APRIL YEAR: 2013 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 61 39 50 -2 15 0 T 0.0 0 11.1 29 330 M M 3 41 260 2 54 35 45 -8 20 0 0.00 0.0 0 10.5 24 310 M M 1 29 310 3 56 32 44 -9 21 0 0.00 0.0 0 7.2 23 310 M M 0 26 320 4 43 33 38 -15 27 0 0.63 1.0 1 6.3 13 10 M M 5 124 18 20 5 65 34 50 -4 15 0 0.07 0.0 0 6.6 20 310 M M 4 1 25 300 6 62 34 48 -6 17 0 0.00 0.0 0 5.2 15 120 M M 0 20 90 7 73 41 57 3 8 0 0.00 0.0 0 7.3 17 220 M M 1 23 220 8 80 49 65 10 0 0 0.00 0.0 0 6.7 20 180 M M 2 25 180 9 87 57 72 17 0 7 0.00 0.0 0 7.6 18 290 M M 1 24 250 10 90 65 78 23 0 13 0.00 0.0 0 8.4 18 240 M M 0 25 240 11 85 66 76 20 0 11 0.05 0.0 0 8.5 24 190 M M 2 3 37 180 12 76 56 66 10 0 1 1.16 0.0 0 12.1 28 300 M M 5 13 37 260 13 74 53 64 8 1 0 0.00 0.0 0 11.8 31 300 M M 1 40 300 14 79 48 64 8 1 0 T 0.0 0 7.4 18 160 M M 1 25 150 15 63 53 58 1 7 0 0.26 0.0 0 5.7 12 110 M M 10 18 18 110 16 76 56 66 9 0 1 T 0.0 0 6.5 15 140 M M 7 12 20 120 17 80 62 71 14 0 6 T 0.0 0 4.4 13 230 M M 3 16 230 18 77 60 69 12 0 4 T 0.0 0 9.1 22 170 M M 8 1 28 150 19 71 49 60 2 5 0 0.43 0.0 0 12.2 26 310 M M 9 13 33 310 20 61 42 52 -6 13 0 0.00 0.0 0 12.9 26 300 M M 1 36 300 21 57 34 46 -12 19 0 0.00 0.0 0 5.7 14 120 M M 1 18 90 22 61 35 48 -10 17 0 0.00 0.0 0 5.3 16 120 M M 1 21 120 23 69 47 58 -1 7 0 0.00 0.0 0 5.4 15 140 M M 5 20 130 24 78 47 63 4 2 0 0.03 0.0 0 7.8 26 300 M M 3 35 320 25 68 39 54 -5 11 0 0.00 0.0 0 8.4 21 330 M M 1 26 330 26 68 38 53 -7 12 0 0.00 0.0 0 4.0 14 150 M M 1 20 150 27 67 49 58 -2 7 0 T 0.0 0 3.4 12 210 M M 7 15 210 28 58 52 55 -5 10 0 0.29 0.0 0 6.5 21 140 M M 10 1 26 140 29 68 51 60 0 5 0 0.02 0.0 0 2.1 12 140 M M 8 1 14 140 30 69 57 63 3 2 0 0.00 0.0 0 5.5 16 110 M M 10 21 110 ================================================================================ SM 2076 1413 242 43 2.94 1.0 221.6 M 111 ================================================================================ AV 69.2 47.1 7.4 FASTST M M 4 MAX(MPH) MISC ----> # 31 300 # 41 260 ================================================================================ 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: 2013 LATITUDE: 37 19 N LONGITUDE: 79 58 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 58.1 TOTAL FOR MONTH: 2.94 1 = FOG OR MIST DPTR FM NORMAL: 1.4 DPTR FM NORMAL: -0.43 2 = FOG REDUCING VISIBILITY HIGHEST: 90 ON 10 GRTST 24HR 1.21 ON 11-12 TO 1/4 MILE OR LESS LOWEST: 32 ON 3 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 1.0 INCH 5 = HAIL GRTST 24HR 1.0 ON 4- 4 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 1 ON 4 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: 9 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 242 CLEAR (SCALE 0-3) 17 DPTR FM NORMAL -33 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 3883 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -149 [CDD (BASE 65) ] TOTAL THIS MO. 43 DPTR FM NORMAL 19 [PRESSURE DATA] TOTAL FM JAN 1 43 HIGHEST SLP 30.53 ON 21 DPTR FM NORMAL 14 LOWEST SLP 29.61 ON 12 [REMARKS]