PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) Station: O'HARE Month: April 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--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 57 47 52 8 13 0 T 0.0 0 6.1 14 320 18 320 0 0 0 2 57 44 51 7 14 0 T 0.0 0 5.3 14 90 21 30 0 0 0 3 60 43 52 8 13 0 0.00 0.0 0 12.1 26 320 33 320 0 0 0 4 46 29 38 -7 27 0 T T 0 13.6 24 330 28 330 0 0 0 5 63 25 44 -1 21 0 0.00 0.0 0 12.6 30 160 36 200 0 0 0 6 64 42 53 8 12 0 0.00 0.0 0 13.8 29 270 38 290 0 0 0 7 52 30 41 -5 24 0 0.45 1.6 2 16.7 31 20 40 20 0 0 1 8 41 27 34 -12 31 0 T T 0 13.4 25 350 33 360 0 0 1 9 58 32 45 -1 20 0 0.00 0.0 0 11.3 24 320 30 320 0 0 0 10 40 33 37 -10 28 0 0.10 T 0 11.0 16 60 25 60 0 0 1 11 39 29 34 -13 31 0 0.02 0.0 0 8.1 15 40 24 60 0 0 1 12 49 29 39 -8 26 0 0.00 0.0 0 9.3 17 130 25 80 0 0 1 13 63 34 49 1 16 0 0.00 0.0 0 10.2 20 200 28 170 0 0 0 14 76 40 58 10 7 0 0.00 0.0 0 13.0 21 190 26 190 0 0 0 15 72 40 56 8 9 0 0.00 0.0 0 11.9 21 20 25 20 0 0 81 16 49 39 44 -5 21 0 1.21 0.0 0 12.4 20 40 32 40 0 0 183 17 42 39 41 -8 24 0 T 0.0 0 12.2 21 20 29 30 0 0 1 18 55 40 48 -1 17 0 0.00 0.0 0 4.8 10 20 13 20 0 0 1 19 57 47 52 2 13 0 0.63 0.0 0 11.0 25 110 33 120 0 0 138 20 65 41 53 3 12 0 2.37 0.0 0 12.5 25 60 32 270 0 0 13 21 52 35 44 -7 21 0 0.22 0.0 0 15.3 33 10 41 10 0 0 1 22 65 31 48 -3 17 0 0.00 0.0 0 4.9 14 100 20 90 0 0 0 23 51 42 47 -4 18 0 0.10 0.0 0 8.0 17 130 23 80 0 0 1 24 64 40 52 0 13 0 0.00 0.0 0 12.5 26 20 36 30 0 0 0 25 61 37 49 -3 16 0 0.00 0.0 0 10.0 23 20 29 20 0 0 0 26 65 38 52 0 13 0 0.00 0.0 0 5.0 12 70 20 60 0 0 0 27 68 38 53 0 12 0 0.00 0.0 0 5.7 14 70 22 60 0 0 0 28 70 37 54 1 11 0 0.02 0.0 0 5.8 21 20 24 20 0 0 0 29 56 40 48 -5 17 0 0.03 0.0 0 11.1 22 40 28 50 0 0 0 30 71 37 54 1 11 0 0.00 0.0 0 4.6 14 100 22 80 0 0 0 ==================================================================================== Avg 57.6 36.8 47.2 ==================================================================================== PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6), Page 2 Station: O'HARE Month: April Year: 2000 ==================================================================================== {Temperature Data} {Precipitation Data} SYMBOLS USED IN COLUMN 16 Average Monthly: 47.2 Total for Month: 5.15 1 = BR Departure: -1.4 Departure: 1.51 2 = FG Highest: 76 on 14 Greatest daily: 2.37 on 20 3 = TS Lowest: 25 on 5 4 = PE {Snowfall, Ice Pellets, Hail} 5 = GR / GS 6 = FZRA / FZDZ Total for Month: 1.6 7 = DU / SS Greatest daily snowfall: 1.6 on 7 8 = FU / HZ 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: 10 Total sunshine: 0 Max 90 or above: 0 0.10 inch or more Precip: 7 Sunshine %: 0 Min 32 or below: 8 0.50 inch or more Precip: 3 Min 0 or below: 0 1.00 inch or more Precip: 2 {Heating Degree Days (Base 65) } Total this Month: 528 Departure from Normal: 36 Seasonal Total: 5439 Departure from Normal: -827 {Cooling Degree Days (Base 65) } { Days of weather } Wx Code 1-8 Hail = 0 Total this Month: 0 Mist =13 Freezing Rain= 0 Departure from Normal: 0 Fog = 0 Dust/Sand = 0 Seasonal Total: 3 Thunder= 3 Smoke/Haze = 3 Departure from Normal: 3 Pellets= 0 Blowing Snow = 0