PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: COLUMBUS MONTH: APR YEAR: 2002 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 53 34 44 -4 21 0 0.05 0.0 0 7.0 20 280 M M M 1,8 23 280 2 72 45 59 11 6 0 T 0.0 0 13.2 30 220 M M M 36 220 3 47 33 40 -8 25 0 0.21 0.3 0 10.2 23 320 M M M 1 26 330 4 44 28 36 -12 29 0 T T 0 5.0 14 360 M M M 16 360 5 43 33 38 -11 27 0 T T 0 10.2 22 280 M M M 1 24 310 6 41 27 34 -15 31 0 0.00 0.0 0 6.3 16 340 M M M 20 330 7 61 29 45 -4 20 0 0.00 0.0 0 9.6 17 160 M M M 21 190 8 71 48 60 10 5 0 0.08 0.0 0 13.1 26 170 M M M 37 210 9 69 47 58 8 7 0 0.06 0.0 0 16.1 35 230 M M M 1 41 230 10 62 38 50 0 15 0 0.00 0.0 0 5.8 13 120 M M M 1,8 15 80 11 79 47 63 13 2 0 0.00 0.0 0 8.8 18 190 M M M 22 190 12 76 57 67 16 0 2 0.14 0.0 0 12.3 23 210 M M M 3,1 28 220 13 69 57 63 12 2 0 0.46 0.0 0 5.4 12 290 M M M 1 15 240 14 67 56 62 11 3 0 1.34 0.0 0 4.2 12 190 M M M 1,3 14 200 15 82 58 70 19 0 5 0.00 0.0 0 7.7 18 240 M M M 23 220 16 85 60 73 21 0 8 0.00 0.0 0 8.6 23 230 M M M 28 230 17 83 63 73 21 0 8 0.00 0.0 0 6.9 23 250 M M M 28 230 18 85 59 72 20 0 7 0.00 0.0 0 7.3 16 230 M M M 21 220 19 85 65 75 22 0 10 0.07 0.0 0 11.2 30 240 M M M 3 33 240 20 68 52 60 7 5 0 0.06 0.0 0 10.0 16 30 M M M 1,8 20 40 21 51 41 46 -7 19 0 0.38 0.0 0 9.6 17 10 M M M 1 21 10 22 51 38 45 -9 20 0 0.08 0.0 0 13.3 25 280 M M M 1,8 30 270 23 54 33 44 -11 21 0 0.00 0.0 0 3.5 13 270 M M M 14 270 24 72 39 56 1 9 0 0.02 0.0 0 10.9 22 210 M M M 30 210 25 60 43 52 -3 13 0 0.01 0.0 0 17.4 31 320 M M M 1 41 320 26 61 40 51 -5 14 0 0.00 0.0 0 7.1 21 270 M M M 26 270 27 57 43 50 -6 15 0 0.61 0.0 0 10.1 20 140 M M M 1 22 140 28 74 44 59 3 6 0 0.40 0.0 0 21.3 45 270 M M M 3,1 60 260 29 50 41 46 -11 19 0 T 0.0 0 11.8 23 280 M M M 30 280 30 66 41 54 -3 11 0 0.05 0.0 0 9.3 28 310 M M M 1 32 300 =============================================================================== SM 1938 1339 345 40 4.02 0.3 293.2 =============================================================================== AV 64.6 44.6 9.8 FASTST PSBL % M MAX(MPH) MISC ----> 45 270 60 260 =============================================================================== 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 MONTH: APR YEAR: 2002 ** TEMPERATURE DATA ** ** PRECIPITATION DATA ** SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 54.6 TOTAL FOR MONTH: 4.02 1 = FOG DPTR FM NORMAL: +2.6 DPTR FM NORMAL: +0.77 2 = FOG REDUCING VISIBILITY HIGHEST: 85 ON 19 GRTST 24HR 1.01 ON 27-28 TO 1/4 MILE OR LESS LOWEST: 27 ON 6 3 = THUNDER SNOW, ICE; PELLETS, HAIL; 4 = ICE; PELLETS TOTAL MONTH: 0.3 INCHES 5 = HAIL GRTST 24HR 0.3 ON 3 6 = GLAZE OR RIME GRTST DEPTH: 0.0 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: 16 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 3 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 ** HDD (BASE 65) ** TOTAL THIS MO. 345 DPTR FM NORMAL -75 SEASONAL TOTAL 4448 DPTR FM NORMAL -1050 ** CDD (BASE 65) ** TOTAL THIS MO. 40 DPTR FM NORMAL +40 ** PRESSURE DATA ** SEASONAL TOTAL 40 HIGHEST SLP 30.51 ON 10 DPTR FM NORMAL +40 LOWEST SLP 29.47 ON 28