datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,28 ,0.013565,0.175259,0.041511,0.037909
sgpcmbeC1.c1,1998,04 1:30:00,28 , 0.01263,0.247153,0.043638,0.049158
sgpcmbeC1.c1,1998,04 2:30:00,28 ,0.012234,0.309743,0.044874,0.060896
sgpcmbeC1.c1,1998,04 3:30:00,27 ,0.010756,0.275298,0.038675,0.053616
sgpcmbeC1.c1,1998,04 4:30:00,27 ,0.012107, 0.13952,0.030953,0.027114
sgpcmbeC1.c1,1998,04 5:30:00,27 ,0.011625,0.115898, 0.03245,0.025427
sgpcmbeC1.c1,1998,04 6:30:00,28 ,0.012264,0.168267,0.031727,0.034279
sgpcmbeC1.c1,1998,04 7:30:00,28 ,0.011187,0.165566,0.034359,0.035275
sgpcmbeC1.c1,1998,04 8:30:00,28 ,0.012737,0.201031,0.032049,0.034948
sgpcmbeC1.c1,1998,04 9:30:00,28 ,0.014646,  0.1469,0.032933,0.026276
sgpcmbeC1.c1,1998,0410:30:00,29 ,0.016073,0.525645,0.058001,0.099099
sgpcmbeC1.c1,1998,0411:30:00,27 ,0.015661,0.069776,0.031025,0.013507
sgpcmbeC1.c1,1998,0412:30:00,27 ,0.012524,0.080316,0.035759,0.017466
sgpcmbeC1.c1,1998,0413:30:00,28 ,0.011364,0.284191,0.052958,0.060576
sgpcmbeC1.c1,1998,0414:30:00,28 ,0.016167,0.461588, 0.06507,0.083615
sgpcmbeC1.c1,1998,0415:30:00,29 ,0.012214,0.208215,0.051997,0.044224
sgpcmbeC1.c1,1998,0416:30:00,29 ,0.012251,0.305663,0.050953,0.056959
sgpcmbeC1.c1,1998,0417:30:00,28 , 0.01454,0.274366,0.056466,0.061725
sgpcmbeC1.c1,1998,0418:30:00,30 , 0.01216, 0.28812, 0.05244,0.059502
sgpcmbeC1.c1,1998,0419:30:00,30 ,0.011611,0.321176, 0.04524,0.060774
sgpcmbeC1.c1,1998,0420:30:00,28 ,0.012184,0.352665,0.042555,0.064702
sgpcmbeC1.c1,1998,0421:30:00,29 ,0.012445,0.200779,0.042338,0.046931
sgpcmbeC1.c1,1998,0422:30:00,28 ,0.012642,0.108883,0.036763,0.025769
sgpcmbeC1.c1,1998,0423:30:00,28 ,0.013453,0.143946,0.030337,0.026222