Preliminary Local Climatological Data (WS Form: F-6) Station: DAYTON OH Month: MAY Year: 1997 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 59 43 51 -6 14 0 0.00 0.0 0 19.4 38 240 0 0 0 44 250 2 62 39 51 -6 14 0 1.66 0.0 0 14.0 33 120 0 0 0 1,3 39 120 3 58 42 50 -7 15 0 0.41 0.0 0 17.8 34 260 0 0 0 1,3 41 260 4 60 43 52 -6 13 0 0.00 0.0 0 13.6 25 290 0 0 0 1 31 280 5 68 43 56 -2 9 0 0.09 0.0 0 18.6 39 220 0 0 0 47 210 6 63 47 55 -3 10 0 0.00 0.0 0 12.3 24 280 0 0 M 30 270 7 68 36 52 -7 13 0 T 0.0 0 6.4 21 110 0 0 0 24 110 8 63 51 57 -2 8 0 0.41 0.0 0 12.4 17 190 0 0 0 1,8 22 200 9 59 42 51 -8 14 0 0.02 0.0 0 17.7 26 310 0 0 0 1 34 310 10 59 41 50 -10 15 0 0.00 0.0 0 14.8 24 300 0 0 0 30 330 11 71 38 55 -5 10 0 0.00 0.0 0 14.5 28 210 0 0 0 37 230 12 61 46 54 -6 11 0 0.02 0.0 0 15.2 30 250 0 0 0 36 230 13 63 41 52 -9 13 0 0.00 0.0 0 10.3 23 260 0 0 0 28 260 14 67 46 57 -4 8 0 0.16 0.0 0 12.7 29 280 0 0 0 3,1 33 270 15 57 41 49 -13 16 0 0.00 0.0 0 21.2 40 270 0 0 0 52 260 16 59 36 48 -14 17 0 T 0.0 0 12.5 23 230 0 0 0 28 230 17 77 52 65 3 0 0 T 0.0 0 12.8 22 220 0 0 0 28 220 18 80 60 70 8 0 5 0.25 0.0 0 15.0 30 230 0 0 0 3,1 40 250 19 80 52 66 3 0 1 0.01 0.0 0 13.9 33 330 0 0 0 1,8 39 320 20 63 44 54 -9 11 0 0.00 0.0 0 9.2 17 10 0 0 0 21 10 21 59 41 50 -13 15 0 0.00 0.0 0 9.6 18 360 0 0 0 23 360 22 65 40 53 -11 12 0 0.00 0.0 0 7.3 16 40 0 0 0 20 360 23 71 43 57 -7 8 0 0.00 0.0 0 7.8 14 120 0 0 0 17 90 24 81 50 66 2 0 1 T 0.0 0 9.5 23 210 0 0 0 8 29 230 25 70 54 62 -3 3 0 0.48 0.0 0 12.1 22 40 0 0 0 8,1,2 28 50 26 63 50 57 -8 8 0 0.22 0.0 0 12.8 22 40 0 0 0 1 28 40 27 70 46 58 -7 7 0 0.00 0.0 0 13.6 22 90 0 0 0 34 80 28 65 51 58 -8 7 0 0.08 0.0 0 11.8 22 130 0 0 0 8 26 140 29 61 54 58 -8 7 0 0.15 0.0 0 12.5 20 160 0 0 0 8,1 23 160 30 67 56 62 -4 3 0 0.05 0.0 0 7.7 15 220 0 0 0 1,8 18 220 31 60 57 59 -8 6 0 1.75 0.0 0 11.4 20 40 0 0 0 1 25 30 =============================================================================== Sm 2029 1425 287 7 5.76 0 400.4 0 0 =============================================================================== Av 65.5 46.0 12.9 Fastst Psbl % 0.0 Max(mph) Misc ----> 40 270 0 0 52 260 =============================================================================== Notes: # Last of several occurrences Column 17 Peak Wind in M.P.H. Preliminary Local Climatological Data (WS Form: F-6) , Page 2 Station: DAYTON OH Month: MAY Year: 1997 [Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16 Average Monthly: 55.8 Total for Month: 5.76 1 = FOG Dptr fm normal: -5.9 Dptr fm normal: 1.88 2 = FOG REDUCING VISIBILITY Highest: 81 on 24 Grtst 24hr 1.75 on 31 TO 1/4 MILE OR LESS Lowest: 36 on 16 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS Total month: 0 Inches 5 = HAIL Grtst 24hr on __ __ 6 = GLAZE OR RIME Grtst depth: 0 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: 15 Max 90 or above: 0 0.10 inch or more: 9 Min 32 or below: 0 0.50 inch or more: 2 Min 0 or below: 0 1.00 inch or more: 2 [HDD (Base 65) ] Total this Mo. 287 Clear (scale 0-3) 30 Dptr fm normal 102 Ptcldy (scale 4-7) 0 Seasonal total 5740 Cloudy (scale 8-10) 0 Dptr fm normal 43 [CDD Base 65) ] Total this Mo. 7 Dptr fm normal -76 [Pressure Data] Seasonal total 7 Highest SLP 30.33 on 22 Dptr fm normal -76 Lowest SLP 29.41 on 03 =============================================================================== ------------------