Preliminary Local Climatological Data (WS Form: F-6) Station: DAYTON OH Month: APR 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 57 26 42 -4 23 0 0.00 0.0 0 6.6 14 10 0 0 0 18 60 2 64 31 48 1 17 0 0.00 0.0 0 3.5 9 300 0 0 0 13 290 3 71 43 57 10 8 0 0.00 0.0 0 10.4 23 230 0 0 0 28 240 4 76 49 63 16 2 0 T 0.0 0 8.9 22 220 0 0 0 24 220 5 71 55 63 15 2 0 0.35 0.0 0 17.8 32 170 0 0 0 1 37 190 6 75 44 60 12 5 0 0.00 0.0 0 23.6 47 250 0 0 0 56 260 7 47 32 40 -8 25 0 0.00 0.0 0 20.0 32 270 0 0 0 38 270 8 51 20 36 -13 29 0 0.00 0.0 0 14.4 26 310 0 0 0 32 310 9 38 19 29 -20 36 0 0.00 0.0 0 9.9 21 310 0 0 0 24 360 10 46 21 34 -15 31 0 0.00 0.0 0 4.7 11 130 0 0 0 15 360 11 65 38 52 2 13 0 0.04 0.0 0 10.6 24 110 0 0 0 28 110 12 64 39 52 2 13 0 0.47 0.0 0 16.4 29 290 0 0 0 1,8 33 270 13 41 31 36 -14 29 0 T 0.0 0 14.9 25 250 0 0 0 8,1 30 260 14 51 26 39 -12 26 0 0.00 0.0 0 5.5 13 240 0 0 0 1,8 16 240 15 59 32 46 -5 19 0 0.00 0.0 0 7.1 16 270 0 0 0 8 20 260 16 58 40 49 -2 16 0 0.01 0.0 0 13.0 24 240 0 0 0 28 240 17 41 30 36 -16 29 0 T 0.0 0 13.8 24 330 0 0 0 8,1 28 300 18 54 27 41 -11 24 0 0.00 0.0 0 10.8 21 290 0 0 0 24 300 19 58 40 49 -3 16 0 0.00 0.0 0 6.8 17 330 0 0 0 21 260 20 60 33 47 -6 18 0 0.00 0.0 0 5.4 15 250 0 0 0 8 21 300 21 57 47 52 -1 13 0 T 0.0 0 2.4 10 210 0 0 0 8,1 13 200 22 57 40 49 -4 16 0 0.00 0.0 0 11.9 21 20 0 0 0 8,1 24 10 23 57 35 46 -8 19 0 0.00 0.0 0 12.6 22 30 0 0 0 1,8 28 20 24 57 39 48 -6 17 0 0.06 0.0 0 6.8 18 350 0 0 0 1,8 22 340 25 62 41 52 -2 13 0 T 0.0 0 9.5 20 300 0 0 0 1,8 25 320 26 65 35 50 -5 15 0 0.00 0.0 0 7.7 15 70 0 0 0 20 110 27 54 46 50 -5 15 0 0.25 0.0 0 8.5 16 330 0 0 0 1 22 340 28 60 42 51 -5 14 0 T 0.0 0 10.3 17 30 0 0 0 1,8 21 30 29 67 37 52 -4 13 0 0.00 0.0 0 6.1 10 220 0 0 0 8,1 14 260 30 76 45 61 5 4 0 0.24 0.0 0 15.2 33 170 0 0 0 1,3 38 180 =============================================================================== Sm 1759 1083 520 0 1.42 0 315.1 0 0 =============================================================================== Av 58.6 36.1 10.5 Fastst Psbl % 0.0 Max(mph) Misc ----> 47 250 0 0 56 260 =============================================================================== 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: APR Year: 1997 [Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16 Average Monthly: 47.3 Total for Month: 1.42 1 = FOG Dptr fm normal: -3.9 Dptr fm normal: -2.04 2 = FOG REDUCING VISIBILITY Highest: 76 on 30 Grtst 24hr 0.51 on 11-12 TO 1/4 MILE OR LESS Lowest: 19 on 9 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: 7 Max 90 or above: 0 0.10 inch or more: 4 Min 32 or below: 11 0.50 inch or more: 0 Min 0 or below: 0 1.00 inch or more: 0 [HDD (Base 65) ] Total this Mo. 520 Clear (scale 0-3) 30 Dptr fm normal 106 Ptcldy (scale 4-7) 0 Seasonal total 5453 Cloudy (scale 8-10) 0 Dptr fm normal -59 [CDD Base 65) ] Total this Mo. 0 Dptr fm normal 0 [Pressure Data] Seasonal total 0 Highest SLP 30.48 on 10 Dptr fm normal 0 Lowest SLP 29.34 on 30 =============================================================================== ------------------