PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) Station: O'HARE Month: June 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--15a/15b--16- Day Max Min Avg Dep HDD CDD Wtr Snw Dpth Avg Spd Dir Spd Dir Sun Wx # Tmp Tmp Tmp +/- ( in inches ) ( MPH Degrees ) Min % Code ================================================================================ 1 75 55 65 1 0 0 1.07 0.0 0 6.8 18 290 25 60 0 0 813 2 73 55 64 -1 1 0 0.01 0.0 0 7.2 23 310 29 320 0 0 18 3 65 50 58 -7 7 0 0.00 0.0 0 8.2 16 40 24 40 0 0 1 4 78 50 64 -1 1 0 T 0.0 0 10.1 23 140 26 150 0 0 3 5 89 60 75 9 0 10 0.00 0.0 0 10.0 22 200 29 190 0 0 1 6 91 69 80 14 0 15 0.02 0.0 0 9.8 31 290 40 290 0 0 31 7 88 73 81 14 0 16 0.00 0.0 0 12.5 23 270 31 260 0 0 18 8 92 68 80 13 0 15 0.00 0.0 0 7.7 20 330 25 70 0 0 0 9 90 67 79 12 0 14 0.02 0.0 0 5.4 21 160 28 160 0 0 3 10 90 67 79 12 0 14 0.01 0.0 0 7.0 20 220 29 220 0 0 83 11 90 66 78 10 0 13 1.40 0.0 12 82 67 75 7 0 10 0.21 0.0 0 5.7 13 100 16 120 0 0 183 13 71 59 65 -3 0 0 1.76 0.0 0 8.7 23 10 29 10 0 0 13 14 75 56 66 -3 0 1 T 0.0 0 10.4 21 320 23 310 0 0 0 15 63 52 58 -11 7 0 T 0.0 0 7.0 14 50 24 70 0 0 0 16 68 54 61 -8 4 0 0.01 0.0 0 6.5 17 360 23 50 0 0 0 17 66 48 57 -12 8 0 0.00 0.0 0 8.7 18 30 29 60 0 0 0 18 73 45* 59 -10 6 0 0.00 0.0 0 6.1 15 90 24 80 0 0 0 19 77 58 68 -2 0 3 0.00 0.0 0 9.2 18 90 26 70 0 0 0 20 79 54 67 -3 0 2 0.00 0.0 0 6.2 15 100 26 70 0 0 18 21 82 62 72 2 0 7 0.00 0.0 0 7.1 14 90 22 90 0 0 81 22 84 64 74 4 0 9 0.32 0.0 0 7.3 22 230 30 210 0 0 813 23 83 69 76 5 0 11 0.06 0.0 0 10.3 21 190 28 190 0 0 18 24 85 66 76 5 0 11 0.00 0.0 0 7.7 16 40 24 60 0 0 1 25 88 62 75 4 0 10 0.00 0.0 0 5.7 15 60 24 80 0 0 0 26 89 63 76 5 0 11 T 0.0 0 4.1 14 130 16 120 0 0 1 27 86 70 78 7 0 13 0.03 0.0 0 5.0 13 120 17 90 0 0 138 28 87 67 77 6 0 12 0.03 0.0 0 10.1 26 320 30 320 0 0 81 29 74 58 66 -6 0 1 T 0.0 0 10.0 21 340 24 20 0 0 0 30 80 55 68 -4 0 3 0.00 0.0 0 7.4 15 140 18 190 0 0 0 * INDICATES BROKEN RECORD TEMPERATURE ==================================================================================== Avg 80.4 60.3 70.4 ==================================================================================== PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6), Page 2 Station: O'HARE Month: June Year: 1999 ==================================================================================== {Temperature Data} {Precipitation Data} SYMBOLS USED IN COLUMN 16 Average Monthly: 70.4 Total for Month: 4.95 1 = BR Departure: 1.8 Departure: 1.17 2 = FG Highest: 92 on 8 Greatest daily: 1.76 on 13 3 = TS Lowest: 45 on 18 4 = PE {Snowfall, Ice Pellets, Hail} 5 = GR / GS 6 = FZRA / FZDZ Total for Month: 0.0 7 = DU / SS Greatest daily snowfall: 0.0 on 8 = FU / HZ Greatest snowdepth: 0.0 on 9 = BLSN X = FC { No. of Days with } {WEATHER - No. of Days with } { Sunshine Data } Max 32 or below: 0 0.01 inch or more Precip: 13 Total sunshine: 0 Max 90 or above: 5 0.10 inch or more Precip: 5 Sunshine %: 0 Min 32 or below: 0 0.50 inch or more Precip: 3 Min 0 or below: 0 1.00 inch or more Precip: 3 {Heating Degree Days (Base 65) } { Wind data (MPH) } Total this Month: 34 Peak wind: 40 Departure from Normal: -1 Direction: 290 Seasonal Total: 5566 Fastest 2-min wind: 31 Departure from Normal: -970 Direction: 290 Average wind: 7.6 {Cooling Degree Days (Base 65) } { Days of weather } Wx Code 1-8 Hail = 0 Total this Month: 201 Mist =16 Freezing Rain= 0 Departure from Normal: 58 Fog = 0 Dust/Sand = 0 Seasonal Total: 253 Thunder= 9 Smoke/Haze =11 Departure from Normal: 64 Pellets= 0 Blowing Snow = 0