PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DAYTON OH MONTH: APR YEAR: 2000 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 66 35 51 5 14 0 0.04 0.0 0 5.9 16 210 M M M 3 18 230 2 59 50 55 8 10 0 0.32 0.0 0 7.0 22 300 M M M 3,1,2 25 300 3 59 49 54 7 11 0 0.34 0.0 0 8.7 15 280 M M M 1,8 22 300 4 49 31 40 -7 25 0 0.17 T 0 15.2 26 290 M M M 1 34 290 5 53 30 42 -6 23 0 0.00 0.0 0 13.2 23 190 M M M 29 190 6 65 49 57 9 8 0 0.00 0.0 0 16.7 31 250 M M M 37 240 7 62 46 54 6 11 0 2.23 0.0 0 10.2 23 160 M M M 1,3 28 180 8 53 31 42 -7 23 0 0.10 T 0 18.2 28 310 M M M 1 32 330 9 54 25 40 -9 25 0 0.00 0.0 0 12.2 30 250 M M M 39 250 10 53 32 43 -6 22 0 T 0.0 0 6.6 20 60 M M M 8 23 50 11 52 38 45 -5 20 0 0.07 0.0 0 9.9 18 340 M M M 1,8 21 340 12 46 33 40 -10 25 0 0.00 0.0 0 6.9 14 10 M M M 1,8 16 10 13 60 32 46 -4 19 0 0.00 0.0 0 8.6 22 130 M M M 25 120 14 71 40 56 5 9 0 0.00 0.0 0 8.9 17 200 M M M 21 190 15 75 51 63 12 2 0 0.00 0.0 0 5.8 10 260 M M M 1 14 260 16 71 51 61 10 4 0 0.00 0.0 0 4.4 14 260 M M M 1,8 16 260 17 59 42 51 -1 14 0 0.44 0.0 0 10.8 18 10 M M M 8,1 22 10 18 56 42 49 -3 16 0 T 0.0 0 8.7 17 360 M M M 1,8 23 10 19 63 50 57 5 8 0 T 0.0 0 8.4 17 120 M M M 8,1,3 20 120 20 78 53 66 13 0 1 0.24 0.0 0 16.1 49 250 M M M 3,1 56 260 21 53 41 47 -6 18 0 0.24 0.0 0 15.7 29 230 M M M 1 34 240 22 60 40 50 -3 15 0 T 0.0 0 9.1 17 330 M M M 1 22 330 23 65 36 51 -3 14 0 0.00 0.0 0 4.8 13 60 M M M 1 15 60 24 64 48 56 2 9 0 0.00 0.0 0 12.0 22 40 M M M 26 40 25 64 40 52 -2 13 0 0.00 0.0 0 14.3 25 10 M M M 30 10 26 61 35 48 -7 17 0 0.00 0.0 0 8.8 16 310 M M M 21 330 27 68 38 53 -2 12 0 0.00 0.0 0 8.7 20 40 M M M 23 50 28 66 39 53 -3 12 0 0.00 0.0 0 8.9 15 350 M M M 8 23 10 29 70 39 55 -1 10 0 0.00 0.0 0 7.4 20 20 M M M 22 20 30 72 43 58 2 7 0 0.00 0.0 0 6.6 14 250 M M M 17 240 =============================================================================== SM 1847 1209 416 1 4.19 T 298.7 =============================================================================== AV 61.6 40.3 10.0 FASTST PSBL % M MAX(MPH) MISC ----> 49 250 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: 2000 ** TEMPERATURE DATA ** ** PRECIPITATION DATA ** SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 50.9 TOTAL FOR MONTH: 4.19 1 = FOG DPTR FM NORMAL: -0.3 DPTR FM NORMAL: +0.73 2 = FOG REDUCING VISIBILITY HIGHEST: 78 ON 20 GRTST 24HR 2.32 ON 7-8 TO 1/4 MILE OR LESS LOWEST: 25 ON 9 3 = THUNDER SNOW, ICE; PELLETS, HAIL; 4 = ICE; PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 8 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: 10 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 6 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 ** HDD (BASE 65) ** TOTAL THIS MO. 416 DPTR FM NORMAL +2 SEASONAL TOTAL 4960 DPTR FM NORMAL -552 ** CDD (BASE 65) ** TOTAL THIS MO. 1 DPTR FM NORMAL +1 ** PRESSURE DATA ** SEASONAL TOTAL 1 HIGHEST SLP 30.52 ON 12 DPTR FM NORMAL +1 LOWEST SLP 29.44 ON 20 NNNN ------------------