PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CHICAGO-OHARE MONTH: FEBRUARY YEAR: 2005 LATITUDE: 41 58 N LONGITUDE: 87 54 W TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND ================================================================================ 1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 34 22 28 5 37 0 0.00 0.0 M 5.0 12 110 M M M 18 23 80 2 36 16 26 3 39 0 0.00 0.0 M 4.9 14 110 M M M 18 28 90 3 44 15 30 6 35 0 0.00 0.0 M 7.3 18 280 M M M 18 23 260 4 50 22 36 12 29 0 0.00 0.0 M 5.6 14 220 M M M 18 18 240 5 55 36 46 22 19 0 0.00 0.0 M 8.5 17 190 M M M 18 21 190 6 47 39 43 19 22 0 0.02 0.0 M 7.8 13 190 M M M 18 16 190 7 45 33 39 14 26 0 0.19 0.0 M 8.2 18 20 M M M 1 22 40 8 33 25 29 4 36 0 T T M 11.0 18 20 M M M 18 28 10 9 31 24 28 3 37 0 0.01 0.4 M 9.3 15 330 M M M 1 17 330 10 32 22 27 1 38 0 T T M 9.9 17 320 M M M 23 340 11 42 23 33 7 32 0 0.01 0.1 M 11.2 18 290 M M M 18 23 300 12 51 33 42 16 23 0 0.00 0.0 M 6.8 15 260 M M M 18 22 250 13 41 35 38 12 27 0 0.60 0.0 M 13.4 24 120 M M M 18 29 120 14 49 37 43 16 22 0 0.16 0.0 M 12.7 26 280 M M M 12 32 280 15 42 33 38 11 27 0 0.26 T M 5.0 16 340 M M M 13 23 30 16 33 26 30 3 35 0 T T M 12.0 24 270 M M M 30 280 17 27 17 22 -6 43 0 T T M 14.7 29 310 M M M 35 320 18 26 11 19 -9 46 0 0.00 0.0 M 7.9 16 350 M M M 21 360 19 41 22 32 4 33 0 T T M 8.5 15 180 M M M 18 180 20 37 31 34 5 31 0 0.42 1.0 M 10.1 21 150 M M M 18 24 150 21 36 33 35 6 30 0 0.00 0.0 M 8.1 15 310 M M M 8 18 310 22 36 21 29 0 36 0 T 0.1 M 6.9 17 290 M M 5 18 21 300 23 36 20 28 -2 37 0 0.00 0.0 0 5.2 13 280 M M 5 18 18 60 24 36 27 32 2 33 0 T T 0 4.6 12 20 M M 9 18 20 40 25 41 27 34 4 31 0 T T 0 7.7 14 50 M M 9 18 24 60 26 33 25 29 -2 36 0 T T 0 9.1 15 60 M M 7 8 23 70 27 40 26 33 2 32 0 0.20 0.0 0 9.5 15 140 M M 10 1 20 90 28 35 26 31 0 34 0 0.32 1.1 0 12.0 20 310 M M 10 1 22 320 ================================================================================ SM 1089 727 906 0 2.19 2.7 242.9 M 55 ================================================================================ AV 38.9 26.0 8.7 FASTST PSBL % 8 MAX(MPH) MISC ----> 29 310 35 320 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: CHICAGO-OHARE MONTH: FEBRUARY YEAR: 2005 LATITUDE: 41 58 N LONGITUDE: 87 54 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 32.4 TOTAL FOR MONTH: 2.19 1 = FOG DPTR FM NORMAL: 5.4 DPTR FM NORMAL: 0.56 2 = FOG REDUCING VISIBILITY HIGHEST: 55 ON 5 GRTST 24HR 0.71 ON 13-14 TO 1/4 MILE OR LESS LOWEST: 11 ON 18 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 2.7 INCHES 5 = HAIL GRTST 24HR 1.1 ON 28-28 6 = GLAZE OR RIME GRTST DEPTH: 0 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: 4 0.01 INCH OR MORE: 10 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 906 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -169 PTCLDY (SCALE 4-7) 3 SEASONAL TOTAL 4326 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -520 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 0 HIGHEST SLP 30.51 ON 1 DPTR FM NORMAL 0 LOWEST SLP 29.39 ON 14 [REMARKS]