Preliminary Local Climatological Data (WS Form: F-6) Station: COLUMBUS OH Month: APR 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 49 57 11 8 0 0.38 0.0 0 13.4 28 200 M M M 1 32 210 2 56 42 49 2 16 0 0.00 0.0 0 12.3 21 270 M M M 24 270 3 55 34 45 -2 20 0 0.08 0.0 0 7.5 22 20 M M M 1,8 29 30 4 49 37 43 -5 22 0 0.08 0.0 0 15.2 28 360 M M M 33 20 5 56 30 43 -5 22 0 0.00 0.0 0 4.7 15 340 M M M 1 18 350 6 61 33 47 -1 18 0 0.00 0.0 0 4.2 11 30 M M M 14 20 7 67 41 54 5 11 0 0.10 0.0 0 8.5 15 110 M M M 3 21 90 8 74 51 63 14 2 0 0.79 T 0 12.4 28 240 M M M 3,1,5 33 230 9 57 45 51 2 14 0 0.84 0.0 0 13.3 32 250 M M M 1,3 40 250 10 56 37 47 -2 18 0 0.02 0.0 0 12.1 22 360 M M M 1 29 350 11 60 31 46 -4 19 0 0.00 0.0 0 3.0 15 260 M M M 21 280 12 68 36 52 2 13 0 0.00 0.0 0 5.1 15 130 M M M 21 130 13 73 49 61 11 4 0 0.01 0.0 0 12.8 28 200 M M M 37 230 14 66 53 60 10 5 0 0.07 0.0 0 14.4 26 250 M M M 1 30 250 15 67 44 56 5 9 0 0.08 0.0 0 5.7 28 170 M M M 1,8,3 31 190 16 73 56 65 14 0 0 2.23 0.0 0 12.2 26 190 M M M 3,1 31 190 17 59 41 50 -1 15 0 T 0.0 0 10.4 18 300 M M M 8 22 290 18 57 35 46 -6 19 0 0.01 0.0 0 5.5 16 80 M M M 21 80 19 49 45 47 -5 18 0 0.52 0.0 0 10.8 18 330 M M M 1 24 350 20 63 39 51 -1 14 0 0.00 0.0 0 3.5 15 360 M M M 1 18 360 21 65 42 54 1 11 0 0.01 0.0 0 5.6 18 180 M M M 1 21 180 22 67 50 59 6 6 0 0.07 0.0 0 7.4 20 310 M M M 1,3 23 300 23 67 46 57 4 8 0 T 0.0 0 6.5 17 360 M M M 1 21 310 24 74 40 57 3 8 0 T 0.0 0 7.8 23 270 M M M 34 290 25 73 47 60 6 5 0 0.02 0.0 0 6.8 24 240 M M M 1,8 29 240 26 68 45 57 3 8 0 0.67 0.0 0 12.2 24 260 M M M 1,8,3 29 20 27 59 39 49 -6 16 0 0.01 0.0 0 10.6 17 30 M M M 22 40 28 66 37 52 -3 13 0 0.00 0.0 0 6.8 15 110 M M M 17 50 29 66 51 59 4 6 0 0.14 0.0 0 9.0 18 200 M M M 1 22 210 30 64 58 61 6 4 0 0.38 0.0 0 7.0 16 150 M M M 1 22 140 =============================================================================== Sm 1899 1283 352 0 6.51 T 266.7 M M =============================================================================== Av 63.3 42.8 8.9 Fastst Psbl % M Max(mph) Misc ----> 32 250 M M 40 250 =============================================================================== Notes: # Last of several occurrences Column 17 Peak Wind in M.P.H. Preliminary Local Climatological Data (WS Form: F-6) , Page 2 Station: COLUMBUS OH Month: APR Year: 1998 ** Temperature Data ** ** Precipitation Data ** SYMBOLS USED IN COLUMN 16 Average Monthly: 53.0 Total for Month: 6.51 1 = FOG Dptr fm normal: +2.0 Dptr fm normal: +3.30 2 = FOG REDUCING VISIBILITY Highest: 74 on 24 Grtst 24hr 2.31 on 15-16 TO 1/4 MILE OR LESS Lowest: 30 on 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS Total month: T 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: 20 Max 90 or above: 0 0.10 inch or more: 9 Min 32 or below: 2 0.50 inch or more: 5 Min 0 or below: 0 1.00 inch or more: 1 ** HDD (Base 65) ** Total this Mo. 352 Dptr fm normal -68 Seasonal total 4648 Dptr fm normal -850 ** CDD (Base 65) ** Total this Mo. 0 Dptr fm normal +0 ** Pressure Data ** Seasonal total 27 Highest SLP 30.39 on 28 Dptr fm normal +27 Lowest SLP 29.25 on 09 =============================================================================== ------------------