Preliminary Local Climatological Data (WS Form: F-6) Station: DAYTON OH Month: SEP Year: 1998 Temperature in F : :Pcpn :Snow: Wind :Sunshine: Sky :Pk Wnd ===================================== Columns ================================= 1 2 3 4 5 6a 6b 7 8 9 10 11 12 13 14 15 16 17 18 Dy Max Min Avg Dep HDD CDD Wtr Snw Dpth Avg Spd Dir Min Psbl S-S Wx Spd Dr =============================================================================== 1 80 54 67 -2 0 2 T 0.0 0 4.4 13 340 M M M 1,8 17 20 2 80 57 69 0 0 4 0.00 0.0 0 8.3 17 300 M M M 1,8 28 310 3 83 50 67 -2 0 2 0.00 0.0 0 4.8 15 280 M M M 8,1 21 260 4 84 62 73 4 0 8 0.31 0.0 0 5.5 14 320 M M M 1,8 16 350 5 88 56 72 3 0 7 0.00 0.0 0 5.8 14 130 M M M 1,8 16 130 6 94 69 82 13 0 17 0.00 0.0 0 11.5 21 240 M M M 8 25 240 7 84 59 72 4 0 7 0.15 0.0 0 10.7 21 330 M M M 3,1,8 25 330 8 70 50 60 -8 5 0 0.00 0.0 0 9.7 23 320 M M M 29 360 9 71 46 59 -9 6 0 0.00 0.0 0 7.4 18 10 M M M 23 360 10 79 46 63 -5 2 0 0.00 0.0 0 3.5 13 250 M M M 20 260 11 86 53 70 2 0 5 0.00 0.0 0 6.5 14 240 M M M 8 18 270 12 89 59 74 7 0 9 0.00 0.0 0 7.2 16 260 M M M 18 250 13 92 58 75 8 0 10 0.00 0.0 0 4.9 11 150 M M M 8 13 180 14 94 64 79 12 0 14 0.00 0.0 0 8.5 21 210 M M M 8 25 200 15 84 71 78 11 0 13 0.00 0.0 0 11.5 24 240 M M M 8 29 230 16 79 68 74 8 0 9 T 0.0 0 5.1 11 20 M M M 8,1 13 20 17 80 64 72 6 0 7 0.00 0.0 0 6.7 11 30 M M M 1,8 16 70 18 83 61 72 6 0 7 0.00 0.0 0 3.5 10 120 M M M 8,1 10 100 19 86 64 75 10 0 10 0.11 0.0 0 4.7 11 190 M M M 8,1 14 290 20 84 68 76 11 0 11 0.09 0.0 0 8.3 20 300 M M M 8,1 24 290 21 84 65 75 11 0 10 0.00 0.0 0 5.7 15 10 M M M 1,2,8 18 10 22 74 52 63 -1 2 0 0.05 0.0 0 9.9 21 10 M M M 1 24 10 23 67 45 56 -7 9 0 0.00 0.0 0 6.1 13 20 M M M 18 70 24 74 46 60 -3 5 0 T 0.0 0 7.1 15 190 M M M 17 190 25 86 65 76 13 0 11 0.00 0.0 0 10.6 21 240 M M M 25 240 26 90 70 80 18 0 15 0.00 0.0 0 11.7 21 200 M M M 8,1 28 200 27 91 66 79 17 0 14 0.06 0.0 0 13.0 28 270 M M M 8,3 33 250 28 78 56 67 6 0 2 0.00 0.0 0 6.3 14 360 M M M 18 360 29 85 54 70 9 0 5 T 0.0 0 8.3 21 290 M M M 29 280 30 80 57 69 8 0 4 T 0.0 0 6.5 13 300 M M M 8,1 15 300 =============================================================================== Sm 2479 1755 29 203 0.77 0.0 223.7 M M =============================================================================== Av 82.6 58.5 7.5 Fastst Psbl % M Max(mph) Misc ----> 28 270 M M 33 250 =============================================================================== Notes: # Last of several occurrences Column 17 Peak Wind in M.P.H. Preliminary Local Climatological Data (WS Form: F-6) , Page 2 Station: DAYTON OH Month: SEP Year: 1998 ** Temperature Data ** ** Precipitation Data ** SYMBOLS USED IN COLUMN 16 Average Monthly: 70.5 Total for Month: 0.77 1 = FOG Dptr fm normal: +4.7 Dptr fm normal: -1.77 2 = FOG REDUCING VISIBILITY Highest: 94 on 14 Grtst 24hr .31 on 4 TO 1/4 MILE OR LESS Lowest: 45 on 23 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS Total month: 0.0 Inches 5 = HAIL Grtst 24hr ____ on ____ 6 = GLAZE OR RIME Grtst depth: ____ on ____ 7 = BLOWING DUST OR SAND: 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: 6 Max 90 or above: 5 0.10 inch or more: 3 Min 32 or below: 0 0.50 inch or more: 0 Min 0 or below: 0 1.00 inch or more: 0 ** HDD (Base 65) ** Total this Mo. 29 Dptr fm normal -44 Seasonal total 29 Dptr fm normal -50 ** CDD (Base 65) ** Total this Mo. 203 Dptr fm normal +106 ** Pressure Data ** Seasonal total 1119 Highest SLP 30.26 on 10 Dptr fm normal +251 Lowest SLP on =============================================================================== ------------------