datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,26 ,2.378511,4.949938,3.556946,0.678461
sgpcmbeC1.c1,2005,07 1:30:00,26 ,2.276982,5.027425,3.554019,0.647531
sgpcmbeC1.c1,2005,07 2:30:00,27 ,1.886667,5.050042,3.477923,0.705581
sgpcmbeC1.c1,2005,07 3:30:00,25 ,2.639724,4.968046,3.591506,0.608212
sgpcmbeC1.c1,2005,07 4:30:00,27 ,1.978692,4.956131,3.525045,0.714939
sgpcmbeC1.c1,2005,07 5:30:00,24 ,2.394783, 4.98073,3.609867,0.610462
sgpcmbeC1.c1,2005,07 6:30:00,24 ,2.372356,4.845706,3.626889,0.637537
sgpcmbeC1.c1,2005,07 7:30:00,25 ,2.040447,4.912166,3.577559,0.704272
sgpcmbeC1.c1,2005,07 8:30:00,28 ,1.993429,4.913998,3.596408,0.659932
sgpcmbeC1.c1,2005,07 9:30:00,28 ,2.053848,4.992906,3.588168,0.652903
sgpcmbeC1.c1,2005,0710:30:00,28 ,2.032926,5.162888,3.595583,0.661385
sgpcmbeC1.c1,2005,0711:30:00,28 , 2.46711,5.266356,3.612002,0.635061
sgpcmbeC1.c1,2005,0712:30:00,27 ,2.479547,5.254686,3.713897,0.605656
sgpcmbeC1.c1,2005,0713:30:00,28 ,2.304284,5.461586,3.723268,0.695244
sgpcmbeC1.c1,2005,0714:30:00,26 ,2.723687,5.673224,3.834497,0.682939
sgpcmbeC1.c1,2005,0715:30:00,26 ,2.748973,5.611962,3.883203,0.696148
sgpcmbeC1.c1,2005,0716:30:00,26 ,2.807894,5.427072,3.831003,0.693557
sgpcmbeC1.c1,2005,0717:30:00,25 ,2.563959, 5.36151,3.727838,0.658774
sgpcmbeC1.c1,2005,0718:30:00,26 ,2.524715,5.159942,3.667857,0.702485
sgpcmbeC1.c1,2005,0719:30:00,27 ,2.197365,5.532895,3.737335,0.832289
sgpcmbeC1.c1,2005,0720:30:00,28 ,1.599088,5.585266,3.682263,0.977554
sgpcmbeC1.c1,2005,0721:30:00,26 ,2.404108,5.410598,3.693099,0.832397
sgpcmbeC1.c1,2005,0722:30:00,27 ,1.562618,5.188338, 3.48202,0.834645
sgpcmbeC1.c1,2005,0723:30:00,26 ,2.349085,5.044271,3.519271, 0.72135