PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) Station: O'HARE Month: February Year: 1998 ================================================================================ 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 45 33 39 17 26 0 0.12 0.0 0 12.1 26 250 32 350 0 0 1 2 40 25 33 11 32 0 0.00 0.0 0 9.5 24 250 29 290 0 0 1 3 41 27 34 12 31 0 T T 0 8.2 17 020 24 020 0 0 1 4 33 31 32 10 33 0 0.00 0.0 0 16.6 23 030 30 050 0 0 0 5 35 29 32 9 33 0 0.00 0.0 0 15.7 25 020 31 030 0 0 0 6 42 29 36 13 29 0 0.00 0.0 0 8.2 15 040 24 060 0 0 1 7 40 27 34 11 31 0 0.00 0.0 0 7.5 16 050 24 060 0 0 1 8 40 26 33 10 32 0 0.00 0.0 0 4.6 10 050 24 050 0 0 1 9 46 23 35 12 30 0 0.00 0.0 0 4.1 10 240 11 240 0 0 21 10 48 30 39 15 26 0 0.05 0.0 0 5.2 15 140 17 130 0 0 821 11 45 37 41 17 24 0 0.61 0.0 0 11.6 23 360 28 010 0 0 1 12 39 31 35 11 30 0 T 0.0 0 10.2 21 360 26 360 0 0 1 13 40 31 36 11 29 0 0.00 0.0 0 6.5 13 240 16 240 0 0 81 14 43 33 38 13 27 0 0.00 0.0 0 6.9 13 180 15 190 0 0 81 15 53 32 43 18 22 0 0.00 0.0 0 9.3 18 190 23 190 0 0 1 16 44 39 42 16 23 0 0.28 0.0 0 12.8 22 090 28 090 0 0 1 17 43 39 41 15 24 0 0.34 0.0 0 16.6 25 040 33 040 0 0 1 18 40 37 39 13 26 0 0.02 0.0 0 12.7 25 020 32 030 0 0 1 19 43 37 40 13 25 0 T 0.0 0 5.8 13 340 17 060 0 0 1 20 42 35 39 12 26 0 0.02 0.0 0 6.8 11 310 20 040 0 0 1 21 46 30 38 11 27 0 0.01 0.0 0 5.2 11 280 15 280 0 0 1 22 50 37 44 16 21 0 0.00 0.0 0 4.9 14 100 23 080 0 0 1 23 50 32 41 13 24 0 0.00 0.0 0 6.4 13 110 18 090 0 0 81 24 54 36 45 17 20 0 0.09 0.0 0 9.5 20 320 22 310 0 0 821 25 52 31 42 13 23 0 0.00 0.0 0 11.5 23 120 28 130 0 0 1 26 63 45 54 25 11 0 0.01 0.0 0 16.2 26 130 31 130 0 0 0 27 52 32 42 12 23 0 0.14 0.0 0 12.6 26 170 32 160 0 0 1 28 50 32 41 11 24 0 0.01 0.0 0 8.0 17 230 24 220 0 0 0 ==================================================================================== Avg 45.0 32.4 38.7 ==================================================================================== PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6), Page 2 Station: O'HARE Month: February Year: 1998 ==================================================================================== {Temperature Data} {Precipitation Data} SYMBOLS USED IN COLUMN 16 Average Monthly: 38.7 Total for Month: 1.70 1 = BR Departure: 13.3 Departure: 0.34 2 = FG Highest: 63 on 26 Greatest daily: 0.61 on 11 3 = TS Lowest: 23 on 09 4 = PE {Snowfall, Ice Pellets, Hail} 5 = GR / GS 6 = FZRA / FZDZ Total for Month: Trace 7 = DU / SS Greatest daily snowfall: Trace on 3 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: 12 Total sunshine: 0 Max 90 or above: 0 0.10 inch or more Precip: 5 Sunshine %: 0 Min 32 or below: 17 0.50 inch or more Precip: 1 Min 0 or below: 0 1.00 inch or more Precip: 0 {Heating Degree Days (Base 65) } { Wind data (MPH) } Total this Month: 732 Peak wind: 33 Departure from Normal: -337 Direction: 040 Seasonal Total: 4201 Fastest 2-min wind: 26 Departure from Normal: -711 Direction: 170 Average wind: 9.5 {Cooling Degree Days (Base 65) } { Days of weather } Wx Code 1-8 Hail = 0 Total this Month: 0 Mist =24 Freezing Rain= 0 Departure from Normal: 0 Fog = 3 Dust/Sand = 0 Seasonal Total: 0 Thunder= 0 Smoke/Haze = 6 Departure from Normal: 0 Pellets= 0 Blowing Snow = 0