datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,28 ,0.316724,1.727823,0.782349,0.377095
sgpcmbeC1.c1,2002,01 1:30:00,26 , 0.32082,1.724317,0.779522,0.391032
sgpcmbeC1.c1,2002,01 2:30:00,26 ,0.333193, 1.73885,0.778878,0.384355
sgpcmbeC1.c1,2002,01 3:30:00,26 ,0.332138,1.829561,0.795168,0.389914
sgpcmbeC1.c1,2002,01 4:30:00,26 ,0.320898,  1.6214,0.780455,0.375906
sgpcmbeC1.c1,2002,01 5:30:00,26 ,0.326146,1.579244, 0.77537,0.376814
sgpcmbeC1.c1,2002,01 6:30:00,26 ,0.339876,1.538193,0.764656,0.363563
sgpcmbeC1.c1,2002,01 7:30:00,25 ,0.336282,1.487678,0.738618,0.340203
sgpcmbeC1.c1,2002,01 8:30:00,25 ,0.316969, 1.46378,0.729179,0.330178
sgpcmbeC1.c1,2002,01 9:30:00,26 ,0.299566,1.615156,0.771715,0.377643
sgpcmbeC1.c1,2002,0110:30:00,28 ,0.298235,1.700442,0.822806,0.403859
sgpcmbeC1.c1,2002,0111:30:00,28 ,0.327649,1.717778, 0.83992,0.410181
sgpcmbeC1.c1,2002,0112:30:00,28 ,0.317762,1.741463,0.857997,0.432581
sgpcmbeC1.c1,2002,0113:30:00,28 ,0.350644,1.677192,0.857783,0.421842
sgpcmbeC1.c1,2002,0114:30:00,28 ,0.341804,1.731083,0.853924,0.418744
sgpcmbeC1.c1,2002,0115:30:00,27 ,0.311686,1.698747,0.806841,0.390775
sgpcmbeC1.c1,2002,0116:30:00,27 ,0.330359,2.060233,0.788838,0.405484
sgpcmbeC1.c1,2002,0117:30:00,27 ,0.317894,2.714579,0.797962,0.488595
sgpcmbeC1.c1,2002,0118:30:00,27 ,  0.3144,1.481849,0.749111,0.336889
sgpcmbeC1.c1,2002,0119:30:00,27 ,0.309683,1.554827,0.759463, 0.32346
sgpcmbeC1.c1,2002,0120:30:00,27 ,0.305961,1.653384,0.760397,0.328848
sgpcmbeC1.c1,2002,0121:30:00,27 ,0.303053,1.693398, 0.75561,0.332268
sgpcmbeC1.c1,2002,0122:30:00,27 ,0.305974,1.667072,0.764151,0.344522
sgpcmbeC1.c1,2002,0123:30:00,27 ,0.308859,1.660898,0.770485,0.360351