PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DAYTON 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 52 32 42 -4 23 0 0.00 0.0 0 10.0 18 260 M M M 1 22 280 2 70 41 56 10 9 0 0.48 0.0 0 15.9 28 300 M M M 8,1 37 230 3 43 32 38 -8 27 0 0.22 0.0 0 11.5 24 320 M M M 1 30 300 4 41 28 35 -12 30 0 0.00 0.0 0 5.6 10 310 M M M 13 320 5 42 30 36 -11 29 0 0.03 0.4 0 10.4 20 290 M M M 1,8 23 290 6 42 23 33 -14 32 0 0.00 0.0 0 6.8 13 320 M M M 1 16 320 7 60 26 43 -5 22 0 0.00 0.0 0 9.7 18 160 M M M 23 160 8 69 50 60 12 5 0 0.05 0.0 0 16.8 35 220 M M M 40 220 9 61 41 51 3 14 0 0.29 0.0 0 13.7 24 280 M M M 1 30 280 10 62 35 49 0 16 0 0.00 0.0 0 8.1 15 130 M M M 1,8 20 100 11 78 42 60 11 5 0 0.00 0.0 0 9.7 20 210 M M M 8 24 210 12 72 57 65 16 0 0 1.23 0.0 0 10.4 26 270 M M M 1,3 32 260 13 67 56 62 13 3 0 0.41 0.0 0 6.7 16 240 M M M 1 18 240 14 67 56 62 12 3 0 0.76 0.0 0 7.0 15 190 M M M 1 18 200 15 82 60 71 21 0 6 0.00 0.0 0 12.5 21 210 M M M 1 26 220 16 84 65 75 25 0 10 0.00 0.0 0 11.8 21 200 M M M 26 200 17 81 65 73 22 0 8 T 0.0 0 10.6 31 230 M M M 3 43 240 18 84 61 73 22 0 8 0.00 0.0 0 11.0 21 190 M M M 26 220 19 82 63 73 22 0 8 0.56 0.0 0 11.4 26 230 M M M 1,3 32 230 20 67 51 59 7 6 0 0.01 0.0 0 10.6 18 10 M M M 1 22 10 21 51 38 45 -7 20 0 0.51 0.0 0 11.6 23 60 M M M 1 28 50 22 51 40 46 -7 19 0 0.02 0.0 0 15.2 29 270 M M M 1 35 270 23 56 36 46 -8 19 0 0.00 0.0 0 4.8 10 150 M M M 13 150 24 72 42 57 3 8 0 0.10 0.0 0 13.3 22 190 M M M 3,1 28 170 25 57 40 49 -6 16 0 0.03 0.0 0 17.7 33 320 M M M 1,8 44 310 26 60 37 49 -6 16 0 0.00 0.0 0 8.8 20 270 M M M 23 280 27 56 40 48 -7 17 0 0.72 0.0 0 11.8 22 130 M M M 1 26 140 28 71 41 56 1 9 0 0.30 0.0 0 20.9 44 260 M M M 1,3 59 250 29 54 40 47 -9 18 0 0.00 0.0 0 11.2 20 290 M M M 1 24 310 30 66 44 55 -1 10 0 T 0.0 0 11.4 25 320 M M M 1 29 320 =============================================================================== SM 1900 1312 376 40 5.72 0.4 336.9 =============================================================================== AV 63.3 43.7 11.2 FASTST PSBL % M MAX(MPH) MISC ----> 44 260 59 250 =============================================================================== NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6), PAGE 2 STATION: DAYTON MONTH: APR YEAR: 2002 ** TEMPERATURE DATA ** ** PRECIPITATION DATA ** SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 53.5 TOTAL FOR MONTH: 5.72 1 = FOG DPTR FM NORMAL: +2.9 DPTR FM NORMAL: +1.69 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 18 GRTST 24HR 1.62 ON 12-13 TO 1/4 MILE OR LESS LOWEST: 23 ON 6 3 = THUNDER SNOW, ICE; PELLETS, HAIL; 4 = ICE; PELLETS TOTAL MONTH: 0.4 INCHES 5 = HAIL GRTST 24HR 0.4 ON 5 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: 11 MIN 32 OR BELOW: 6 0.50 INCH OR MORE: 5 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 ** HDD (BASE 65) ** TOTAL THIS MO. 376 DPTR FM NORMAL -38 SEASONAL TOTAL 4726 DPTR FM NORMAL -786 ** CDD (BASE 65) ** TOTAL THIS MO. 40 DPTR FM NORMAL +40 ** PRESSURE DATA ** SEASONAL TOTAL 40 HIGHEST SLP 30.53 ON 10 DPTR FM NORMAL +40 LOWEST SLP 29.53 ON 28 ------------------