Preliminary Local Climatological Data (WS Form: F-6) Station: DAYTON OH Month: MAY 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 64 51 58 1 7 0 0.21 0.0 0 6.2 15 240 M M M 1 17 250 2 66 52 59 2 6 0 0.10 0.0 0 8.4 17 270 M M M 1,8 21 270 3 66 45 56 -1 9 0 0.25 0.0 0 5.0 29 230 M M M 1,8,3 34 230 4 65 41 53 -5 12 0 0.00 0.0 0 3.5 11 90 M M M 2 1 15 90 5 72 49 61 3 4 0 0.00 0.0 0 7.0 16 240 M M M 1,8 18 240 6 73 53 63 5 2 0 0.02 0.0 0 6.9 15 210 M M M 8,1 17 210 7 63 59 61 2 4 0 1.36 0.0 0 13.1 24 180 M M M 1 32 130 8 71 58 65 6 0 0 0.10 0.0 0 9.6 20 10 M M M 1,8 23 360 9 72 57 65 6 0 0 0.00 0.0 0 10.9 18 10 M M M 1,8 21 40 10 72 55 64 4 1 0 0.00 0.0 0 13.2 24 10 M M M 1,8 26 10 11 71 52 62 2 3 0 0.00 0.0 0 9.4 18 340 M M M 1 25 320 12 76 51 64 4 1 0 0.00 0.0 0 4.6 11 320 M M M 1,8 16 310 13 83 60 72 11 0 7 0.11 0.0 0 9.3 28 70 M M M 8,3,1 31 60 14 86 57 72 11 0 7 0.00 0.0 0 2.3 9 140 M M M 1 2 8 9 140 15 87 58 73 11 0 8 0.00 0.0 0 7.1 15 170 M M M 1,8 18 140 16 83 62 73 11 0 8 0.00 0.0 0 10.7 18 280 M M M 8,1 22 330 17 82 60 71 9 0 6 0.00 0.0 0 7.1 15 20 M M M 20 10 18 85 54 70 8 0 5 0.00 0.0 0 6.3 14 200 M M M 17 200 19 88 59 74 11 0 9 0.44 0.0 0 10.4 26 80 M M M 3,1 30 80 20 83 62 73 10 0 8 0.48 0.0 0 6.9 28 310 M M M 1,8,3 31 320 21 75 59 67 4 0 2 0.00 0.0 0 6.9 15 30 M M M 22 40 22 68 52 60 -4 5 0 0.05 0.0 0 8.1 20 110 M M M 22 120 23 68 52 60 -4 5 0 0.58 0.0 0 7.7 22 10 M M M 1,3,8 24 360 24 76 60 68 4 0 3 0.07 0.0 0 9.6 18 140 M M M 1,3,8 21 220 25 70 58 64 -1 1 0 T 0.0 0 7.4 14 260 M M M 1,8 16 250 26 72 51 62 -3 3 0 0.00 0.0 0 5.3 10 140 M M M 8,1 14 120 27 79 54 67 2 0 2 0.00 0.0 0 5.1 11 100 M M M 8,1 16 140 28 83 61 72 6 0 7 0.00 0.0 0 8.3 16 200 M M M 8 1 18 210 29 86 65 76 10 0 11 0.32 0.0 0 9.3 21 340 M M M 8,1,3 26 360 30 85 64 75 9 0 10 T 0.0 0 6.4 16 220 M M M 1,8 18 200 31 83 65 74 7 0 9 T 0.0 0 15.7 28 240 M M M 8,3 33 230 =============================================================================== Sm 2353 1736 63 102 4.09 0.0 247.7 M M =============================================================================== Av 75.9 56.0 8.0 Fastst Psbl % M Max(mph) Misc ----> 29 230 M M 34 230 =============================================================================== 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: MAY Year: 1998 ** Temperature Data ** ** Precipitation Data ** SYMBOLS USED IN COLUMN 16 Average Monthly: 66.0 Total for Month: 4.09 1 = FOG Dptr fm normal: +4.3 Dptr fm normal: +0.21 2 = FOG REDUCING VISIBILITY Highest: 88 on 19 Grtst 24hr 1.46 on 7-8 TO 1/4 MILE OR LESS Lowest: 41 on 4 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: 13 Max 90 or above: 0 0.10 inch or more: 10 Min 32 or below: 0 0.50 inch or more: 2 Min 0 or below: 0 1.00 inch or more: 1 ** HDD (Base 65) ** Total this Mo. 63 Dptr fm normal -122 Seasonal total 5017 Dptr fm normal -680 ** CDD (Base 65) ** Total this Mo. 102 Dptr fm normal +19 ** Pressure Data ** Seasonal total 121 Highest SLP 30.20 on 18 Dptr fm normal +38 Lowest SLP 29.60 on 02 =============================================================================== ------------------