datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,12 0:30:00,28 ,0.011915,  0.0716,0.027474,0.017183
sgpcmbeC1.c1,1996,12 1:30:00,28 ,0.012673,0.084024,0.031669,0.022534
sgpcmbeC1.c1,1996,12 2:30:00,28 ,0.012287,0.091116,0.032114,0.023721
sgpcmbeC1.c1,1996,12 3:30:00,28 ,0.012056,0.090972,0.028598,0.020497
sgpcmbeC1.c1,1996,12 4:30:00,28 ,0.012544,0.113724,0.032847,0.028695
sgpcmbeC1.c1,1996,12 5:30:00,28 ,0.012072,0.110378,0.036396,0.031079
sgpcmbeC1.c1,1996,12 6:30:00,28 ,0.012588,0.099974,0.035565,0.028784
sgpcmbeC1.c1,1996,12 7:30:00,28 ,0.011471, 0.09729,0.033576,0.027457
sgpcmbeC1.c1,1996,12 8:30:00,27 ,0.012241,0.106679,0.029179,0.024872
sgpcmbeC1.c1,1996,12 9:30:00,28 ,0.012846,0.113657,0.031926,0.027811
sgpcmbeC1.c1,1996,1210:30:00,28 , 0.01286,0.093567,0.026551, 0.01823
sgpcmbeC1.c1,1996,1211:30:00,28 ,0.013125,0.057817,0.022493,0.010812
sgpcmbeC1.c1,1996,1212:30:00,28 ,0.011847,0.071732,0.025532,0.014577
sgpcmbeC1.c1,1996,1213:30:00,28 ,0.012911,0.182664,0.033943,0.033561
sgpcmbeC1.c1,1996,1214:30:00,28 ,0.012052,0.078862,0.023344,0.015353
sgpcmbeC1.c1,1996,1215:30:00,28 , 0.01259,0.109433,0.027766,0.019685
sgpcmbeC1.c1,1996,1216:30:00,28 ,0.012531,0.125532,0.026724,0.021879
sgpcmbeC1.c1,1996,1217:30:00,28 ,0.011755, 0.10332,0.028718, 0.02361
sgpcmbeC1.c1,1996,1218:30:00,29 ,0.012787,0.094875, 0.02735,0.016757
sgpcmbeC1.c1,1996,1219:30:00,29 ,0.012618,0.054984, 0.02363,0.011889
sgpcmbeC1.c1,1996,1220:30:00,29 ,0.011591,0.089026,0.025877,0.017761
sgpcmbeC1.c1,1996,1221:30:00,29 ,0.012393,0.085573,0.026204,0.017042
sgpcmbeC1.c1,1996,1222:30:00,29 , 0.01315,0.105332,0.027883,0.020695
sgpcmbeC1.c1,1996,1223:30:00,29 ,0.011699,0.079962, 0.02618,0.015556