PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DAYTON OH MONTH: DEC YEAR: 1999 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 39 19 29 -8 36 0 0.00 0.0 0 7.7 13 160 M M M 15 160 2 53 28 41 5 24 0 0.00 0.0 0 12.9 18 190 M M M 23 200 3 57 48 53 17 12 0 T 0.0 0 15.9 22 180 M M M 26 190 4 60 47 54 18 11 0 0.01 0.0 0 11.5 17 210 M M M 1 21 210 5 57 44 51 16 14 0 0.44 0.0 0 15.3 28 240 M M M 1 33 240 6 47 27 37 2 28 0 0.03 T 0 11.4 24 310 M M M 1 30 300 7 42 25 34 0 31 0 0.00 0.0 0 8.1 16 190 M M M 1,8 17 180 8 51 27 39 5 26 0 0.00 0.0 0 7.6 14 210 M M M 16 210 9 50 30 40 6 25 0 T 0.0 0 7.7 13 150 M M M 14 140 10 51 29 40 7 25 0 0.69 0.0 0 12.2 25 330 M M M 1,8 30 340 11 40 22 31 -2 34 0 0.00 0.0 0 6.3 13 110 M M M 1 15 110 12 40 33 37 4 28 0 0.42 T 0 6.0 14 140 M M M 1,8 15 150 13 44 36 40 8 25 0 0.37 0.0 0 13.0 23 50 M M M 1,8 26 60 14 44 38 41 9 24 0 0.27 0.0 0 13.2 25 70 M M M 1 29 70 15 46 33 40 8 25 0 0.09 T 0 17.1 36 250 M M M 1 48 220 16 35 25 30 -1 35 0 T T 0 15.9 29 260 M M M 1 34 260 17 44 22 33 2 32 0 0.00 0.0 0 8.2 15 230 M M M 20 230 18 33 25 29 -2 36 0 0.00 0.0 0 8.4 14 20 M M M 1,8 18 10 19 46 24 35 5 30 0 0.01 0.0 0 7.5 13 120 M M M 1 14 120 20 48 22 35 5 30 0 0.17 0.0 0 14.9 28 270 M M M 1 33 270 21 24 15 20 -10 45 0 0.00 0.0 0 7.1 15 270 M M M 17 270 22 29 10 20 -10 45 0 0.00 0.0 0 6.0 13 260 M M M 16 260 23 29 17 23 -6 42 0 T T T 11.7 20 260 M M M 1 23 260 24 21 8 15 -14 50 0 0.06 0.6 T 7.5 17 330 M M M 1,8 20 330 25 25 6 16 -13 49 0 0.00 0.0 T 11.5 23 220 M M M 29 210 26 37 21 29 0 36 0 0.00 0.0 0 18.0 26 300 M M M 8 31 290 27 25 17 21 -7 44 0 T T 0 10.2 16 250 M M M 8,1 18 260 28 27 12 20 -8 45 0 T 0.3 T 13.4 26 220 M M M 1 33 210 29 37 25 31 3 34 0 0.00 0.0 1 13.7 23 220 M M M 28 210 30 45 33 39 11 26 0 0.00 0.0 0 8.2 21 210 M M M 1 24 210 31 47 24 36 9 29 0 0.00 0.0 0 5.7 15 260 M M M 1,2,8 17 270 =============================================================================== SM 1273 792 976 0 2.56 0.9 333.8 =============================================================================== AV 41.1 25.5 10.8 FASTST PSBL % M MAX(MPH) MISC ----> 36 250 48 220 =============================================================================== 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: JAN YEAR: 2000 ** TEMPERATURE DATA ** ** PRECIPITATION DATA ** SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 33.3 TOTAL FOR MONTH: 2.56 1 = FOG DPTR FM NORMAL: +1.8 DPTR FM NORMAL: -0.37 2 = FOG REDUCING VISIBILIT HIGHEST: 60 ON 4 GRTST 24HR 0.69 ON 10 TO 1/4 MILE OR LESS LOWEST: 6 ON 25 3 = THUNDER SNOW, ICE; PELLETS, HAIL; 4 = ICE; PELLETS TOTAL MONTH: 0.9 INCHES 5 = HAIL GRTST 24HR 0.6 ON 24 6 = GLAZE OR RIME GRTST DEPTH: 1.0 ON 29 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: 7 0.01 INCH OR MORE: 11 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 23 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 ** HDD (BASE 65) ** TOTAL THIS MO. 976 DPTR FM NORMAL -59 SEASONAL TOTAL 1890 DPTR FM NORMAL -242 ** CDD (BASE 65) ** TOTAL THIS MO. 0 DPTR FM NORMAL +0 ** PRESSURE DATA ** SEASONAL TOTAL 1061 HIGHEST SLP 30.65 ON 01 DPTR FM NORMAL +175 LOWEST SLP 29.60 ON 28 ------------------