datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,28 ,0.014451,0.136833,0.040265,0.030091
sgpcmbeC1.c1,2003,09 1:30:00,28 ,0.014951, 0.17506,0.040047,0.031749
sgpcmbeC1.c1,2003,09 2:30:00,28 ,0.015307,0.121598,0.042639,0.028081
sgpcmbeC1.c1,2003,09 3:30:00,29 ,0.011387,0.127218,0.040812,0.027593
sgpcmbeC1.c1,2003,09 4:30:00,29 ,0.006258,0.263736,0.050867,0.055822
sgpcmbeC1.c1,2003,09 5:30:00,27 ,0.016066,0.235772,0.053247,0.052264
sgpcmbeC1.c1,2003,09 6:30:00,29 ,0.012019,0.267364,0.055939,0.057749
sgpcmbeC1.c1,2003,09 7:30:00,28 ,0.015112,0.098931,0.041892,0.027736
sgpcmbeC1.c1,2003,09 8:30:00,27 ,0.014962,0.083818,0.041371,0.020968
sgpcmbeC1.c1,2003,09 9:30:00,28 ,0.016169,0.194086,0.055549,0.046803
sgpcmbeC1.c1,2003,0910:30:00,29 ,0.022288,0.095358,0.043233,0.016968
sgpcmbeC1.c1,2003,0911:30:00,29 ,0.018117,0.207677,0.060571,0.038714
sgpcmbeC1.c1,2003,0912:30:00,29 , 0.01892,0.150155,0.065683,0.035354
sgpcmbeC1.c1,2003,0913:30:00,29 ,0.017764,0.267123,0.072897,0.051434
sgpcmbeC1.c1,2003,0914:30:00,30 ,0.019649,0.263374,0.067458, 0.05199
sgpcmbeC1.c1,2003,0915:30:00,29 ,0.013825,0.248144,0.068366,0.049549
sgpcmbeC1.c1,2003,0916:30:00,30 ,0.024862,0.233591,0.065115,0.039533
sgpcmbeC1.c1,2003,0917:30:00,30 ,0.022086,0.133402,0.057144,0.031146
sgpcmbeC1.c1,2003,0918:30:00,29 ,0.013884,0.117432,0.049961,0.031367
sgpcmbeC1.c1,2003,0919:30:00,29 ,0.014186,0.179221,0.045858,0.034309
sgpcmbeC1.c1,2003,0920:30:00,29 ,0.013475, 0.10602,0.042969,0.025366
sgpcmbeC1.c1,2003,0921:30:00,29 ,0.015185,0.146407,0.044955,0.033467
sgpcmbeC1.c1,2003,0922:30:00,28 ,0.015291,  0.0959,0.037881,0.018992
sgpcmbeC1.c1,2003,0923:30:00,28 ,0.015254,0.107311,0.042498,0.024963