datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,18 ,0.014077,  0.0941,0.037028,0.022161
sgpcmbeC1.c1,2000,09 1:30:00,18 ,0.013667,0.070219, 0.03165,0.015356
sgpcmbeC1.c1,2000,09 2:30:00,18 ,0.014468,  0.0783,0.033229, 0.01883
sgpcmbeC1.c1,2000,09 3:30:00,17 ,0.014614,0.092551,0.035673,0.024079
sgpcmbeC1.c1,2000,09 4:30:00,17 ,0.014204,0.089406,0.037028,0.021821
sgpcmbeC1.c1,2000,09 5:30:00,17 ,0.015054,0.131619,0.037509,0.027498
sgpcmbeC1.c1,2000,09 6:30:00,17 ,0.013425,0.063683,0.029716,0.015766
sgpcmbeC1.c1,2000,09 7:30:00,18 ,0.011728,0.066256,0.027894,0.016389
sgpcmbeC1.c1,2000,09 8:30:00,20 ,0.011121,0.410955,0.047871,0.088022
sgpcmbeC1.c1,2000,09 9:30:00,21 ,0.013117, 0.41949,0.050668,0.086614
sgpcmbeC1.c1,2000,0910:30:00,21 ,0.014666,0.611127,0.061704,0.127177
sgpcmbeC1.c1,2000,0911:30:00,20 ,0.012094,0.122378,0.046645,0.034121
sgpcmbeC1.c1,2000,0912:30:00,20 , 0.01251,0.113615,0.050773,0.031072
sgpcmbeC1.c1,2000,0913:30:00,21 ,0.017229,0.155622,0.068801,0.040826
sgpcmbeC1.c1,2000,0914:30:00,22 ,0.016252,0.173545,0.067731,0.047474
sgpcmbeC1.c1,2000,0915:30:00,21 ,0.014385,0.163768,0.067676, 0.04101
sgpcmbeC1.c1,2000,0916:30:00,20 ,0.014437,0.124269,0.054372,0.032375
sgpcmbeC1.c1,2000,0917:30:00,20 ,0.012581, 0.13969,0.044513, 0.03452
sgpcmbeC1.c1,2000,0918:30:00,20 ,0.013193, 0.10266,0.040467, 0.02245
sgpcmbeC1.c1,2000,0919:30:00,20 ,0.014489,0.134323,0.043957,0.032444
sgpcmbeC1.c1,2000,0920:30:00,19 ,0.011655,0.082255, 0.03096,0.017772
sgpcmbeC1.c1,2000,0921:30:00,18 ,0.017582,0.291068,0.050271,0.063342
sgpcmbeC1.c1,2000,0922:30:00,18 ,0.012463, 0.24011, 0.05281,0.061408
sgpcmbeC1.c1,2000,0923:30:00,18 ,0.016463, 0.13342,0.040021, 0.03047