PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: KNOXVILLE ASOS MONTH: APRIL YEAR: 2006 LATITUDE: 35 49 N LONGITUDE: 83 59 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 80 56 68 14 0 3 0.02 0.0 0 10.5 24 210 M M 5 1 30 210 2 76 47 62 8 3 0 0.01 0.0 0 4.3 16 320 M M 3 20 300 3 75 50 63 8 2 0 0.49 T 0 13.1 29 280 M M 8 135 38 260 4 65 41 53 -2 12 0 0.00 0.0 0 7.2 20 250 M M 3 23 290 5 70 37 54 -1 11 0 0.00 0.0 0 3.4 14 260 M M 0 17 270 6 67 38 53 -2 12 0 0.02 0.0 0 2.5 13 120 M M 5 15 100 7 79 53 66 10 0 1 0.83 0.0 0 14.7 31 250 M M 6 13 39 240 8 68 41 55 -1 10 0 0.71 0.0 0 11.5 24 360 M M 8 13 33 10 9 62 37 50 -6 15 0 0.00 0.0 0 9.1 17 50 M M 0 21 60 10 71 38 55 -1 10 0 0.00 0.0 0 2.7 10 300 M M 0 8 14 250 11 77 42 60 3 5 0 0.00 0.0 0 4.0 13 230 M M 0 15 240 12 76 52 64 7 1 0 0.00 0.0 0 10.4 23 230 M M 3 28 230 13 80 55 68 11 0 3 T 0.0 0 7.0 15 230 M M 4 18 250 14 84 61 73 16 0 8 0.00 0.0 0 14.1 24 210 M M 0 29 230 15 83 63 73 15 0 8 0.00 0.0 0 12.0 20 230 M M M 23 240 16 82 62 72 14 0 7 0.00 0.0 0 13.6 24 250 M M 2 29 230 17 84 64 74 16 0 9 0.00 0.0 0 12.4 26 270 M M 4 31 260 18 81 58 70 12 0 5 0.00 0.0 0 4.9 13 40 M M 2 15 40 19 77 61 69 10 0 4 0.44 0.0 0 4.4 25 310 M M 5 13 33 300 20 68 58 63 4 2 0 0.23 0.0 0 4.2 20 260 M M 4 138 23 270 21 77 59 68 9 0 3 3.61 0.0 0 5.7 37 280 M M 8 123 51 280 22 76 58 67 8 0 2 0.30 0.0 0 5.0 9 210 M M 6 13 13 170 23 76 54 65 5 0 0 0.00 0.0 0 9.8 22 250 M M 3 25 240 24 79 61 70 10 0 5 0.00 0.0 0 7.5 20 230 M M 6 23 220 25 83 62 73 13 0 8 0.08 0.0 0 6.9 23 300 M M 7 13 33 300 26 68 55 62 1 3 0 0.76 0.0 0 6.3 20 320 M M 8 13 25 320 27 70 51 61 0 4 0 0.00 0.0 0 5.0 16 40 M M 4 18 40 28 74 44 59 -2 6 0 0.00 0.0 0 5.3 7 60 M M 1 8 60 29 73 53 63 2 2 0 0.02 0.0 0 5.4 14 80 M M 2 17 90 30 69 53 61 -1 4 0 0.05 0.0 0 4.7 14 190 M M 8 1 18 190 ================================================================================ SM 2250 1564 102 66 7.57 T 227.6 M 115 ================================================================================ AV 75.0 52.1 7.6 FASTST PSBL % 4 MAX(MPH) MISC ----> # 37 280 # 51 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: KNOXVILLE ASOS MONTH: APRIL YEAR: 2006 LATITUDE: 35 49 N LONGITUDE: 83 59 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 63.6 TOTAL FOR MONTH: 7.57 1 = FOG OR MIST DPTR FM NORMAL: 5.8 DPTR FM NORMAL: 3.58 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 17,14 GRTST 24HR 3.71 ON 21-22 TO 1/4 MILE OR LESS LOWEST: 37 ON 9, 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 3- 3 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: 13 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 102 CLEAR (SCALE 0-3) 13 DPTR FM NORMAL -125 PTCLDY (SCALE 4-7) 11 TOTAL FM JUL 1 3261 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL -361 [CDD (BASE 65) ] TOTAL THIS MO. 66 DPTR FM NORMAL 39 [PRESSURE DATA] TOTAL FM JAN 1 77 HIGHEST SLP M ON M DPTR FM NORMAL 44 LOWEST SLP M ON M [REMARKS]