Preliminary Local Climatological Data (WS Form: F-6) Station: COLUMBUS 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 58 29 44 -2 21 0 0.00 0.0 0 8.3 16 360 0 0 0 18 360 2 64 30 47 0 18 0 0.00 0.0 0 2.0 10 310 0 0 0 14 160 3 70 35 53 6 12 0 0.00 0.0 0 8.0 23 240 0 0 0 26 240 4 77 45 61 13 4 0 0.00 0.0 0 4.9 15 200 0 0 0 17 190 5 69 57 63 15 2 0 0.29 0.0 0 11.0 20 150 0 0 0 1 26 150 6 74 48 61 13 4 0 0.00 0.0 0 20.5 37 260 0 0 0 43 260 7 49 36 43 -6 22 0 0.00 0.0 0 18.5 30 270 0 0 0 37 280 8 54 23 39 -10 26 0 T T 0 14.2 26 330 0 0 0 31 330 9 39 21 30 -19 35 0 0.00 0.0 0 9.0 17 340 0 0 0 22 360 10 46 20 33 -16 32 0 0.00 0.0 0 2.5 9 230 0 0 0 13 230 11 64 40 52 2 13 0 0.00 0.0 0 8.1 16 110 0 0 0 21 110 12 65 43 54 4 11 0 0.63 0.0 0 12.4 28 280 0 0 0 1,8 32 280 13 43 34 39 -11 26 0 0.01 0.0 0 14.6 25 260 0 0 0 1 31 260 14 53 29 41 -9 24 0 0.00 0.0 0 3.4 14 240 0 0 0 1,8 22 230 15 60 31 46 -5 19 0 0.00 0.0 0 5.8 18 210 0 0 0 23 230 16 59 39 49 -2 16 0 0.05 0.0 0 8.6 21 250 0 0 0 1 25 270 17 45 34 40 -11 25 0 T T 0 12.5 20 330 0 0 0 5 26 320 18 54 32 43 -9 22 0 0.01 0.0 0 9.7 20 320 0 0 0 1 26 320 19 59 32 46 -6 19 0 0.00 0.0 0 4.0 15 10 0 0 0 18 10 20 63 31 47 -5 18 0 0.00 0.0 0 4.5 14 270 0 0 0 17 260 21 61 43 52 -1 13 0 0.01 0.0 0 3.6 10 160 0 0 0 1,8 18 180 22 58 45 52 -1 13 0 T 0.0 0 9.5 20 10 0 0 0 8,1 26 10 23 59 42 51 -2 14 0 0.00 0.0 0 9.0 16 350 0 0 0 8 21 20 24 60 46 53 -1 12 0 0.03 0.0 0 9.2 23 280 0 0 0 8,1 28 280 25 60 41 51 -3 14 0 0.04 0.0 0 4.8 21 290 0 0 0 1,8,3 26 290 26 65 33 49 -5 16 0 0.00 0.0 0 4.4 13 120 0 0 0 15 70 27 56 50 53 -2 12 0 0.38 0.0 0 7.2 17 140 0 0 0 1 21 150 28 60 46 53 -2 12 0 0.01 0.0 0 10.5 17 30 0 0 0 1,8 22 20 29 68 36 52 -3 13 0 0.00 0.0 0 3.0 10 130 0 0 0 15 200 30 77 41 59 4 6 0 0.19 0.0 0 12.2 37 270 0 0 0 3,1 41 270 =============================================================================== Sm 1789 1112 494 0 1.65 T 255.9 0 0 =============================================================================== Av 59.6 37.1 8.5 Fastst Psbl % 0.0 Max(mph) Misc ----> 37 270 0 0 43 260 =============================================================================== Notes: # Last of several occurrences Column 17 Peak Wind in M.P.H. Preliminary Local Climatological Data (WS Form: F-6) , Page 2 Station: COLUMBUS OH Month: APR Year: 1997 [Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16 Average Monthly: 48.3 Total for Month: 1.65 1 = FOG Dptr fm normal: -2.7 Dptr fm normal: -1.56 2 = FOG REDUCING VISIBILITY Highest: 77 on 30 Grtst 24hr 0.63 on 12 TO 1/4 MILE OR LESS Lowest: 20 on 10 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS Total month: T 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: 11 Max 90 or above: 0 0.10 inch or more: 4 Min 32 or below: 10 0.50 inch or more: 1 Min 0 or below: 0 1.00 inch or more: 0 [HDD (Base 65) ] Total this Mo. 494 Clear (scale 0-3) 30 Dptr fm normal 74 Ptcldy (scale 4-7) 0 Seasonal total 5180 Cloudy (scale 8-10) 0 Dptr fm normal -318 [CDD Base 65) ] Total this Mo. 0 Dptr fm normal 0 [Pressure Data] Seasonal total 0 Highest SLP 30.47 on 10 Dptr fm normal 0 Lowest SLP 29.34 on 30 =============================================================================== ------------------