datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,12 0:30:00,28 ,0.432569, 4.19566,1.017175,0.721744
sgpcmbeC1.c1,1999,12 1:30:00,26 ,0.412179,1.769724,0.856496,0.324612
sgpcmbeC1.c1,1999,12 2:30:00,26 ,0.306243,3.969751,0.984538,0.683138
sgpcmbeC1.c1,1999,12 3:30:00,27 ,0.276433,4.005667,0.979184, 0.67773
sgpcmbeC1.c1,1999,12 4:30:00,26 ,0.318092,1.448234,0.873832,0.314918
sgpcmbeC1.c1,1999,12 5:30:00,27 ,0.339843,4.020082,0.998889,0.676422
sgpcmbeC1.c1,1999,12 6:30:00,27 ,0.329278,3.242192,0.971722,0.542314
sgpcmbeC1.c1,1999,12 7:30:00,28 , 0.33438,2.684324,0.955077,0.455575
sgpcmbeC1.c1,1999,12 8:30:00,27 ,0.358547,2.455992,0.945097,0.425434
sgpcmbeC1.c1,1999,12 9:30:00,26 ,0.382516,4.511662,1.017598,0.773228
sgpcmbeC1.c1,1999,1210:30:00,27 ,0.401332, 1.64788,0.885902,0.322496
sgpcmbeC1.c1,1999,1211:30:00,26 ,0.394073,2.714636,0.953352,0.493054
sgpcmbeC1.c1,1999,1212:30:00,28 ,0.435455,2.607568,0.931876,0.491061
sgpcmbeC1.c1,1999,1213:30:00,28 ,0.436173,2.742079,0.943242,0.517641
sgpcmbeC1.c1,1999,1214:30:00,28 , 0.46108,2.330054,0.942979,0.472727
sgpcmbeC1.c1,1999,1215:30:00,27 ,0.479428,2.278056,0.919895,0.438062
sgpcmbeC1.c1,1999,1216:30:00,28 ,0.442888,4.408851,1.083405,0.807799
sgpcmbeC1.c1,1999,1217:30:00,28 , 0.43414,3.208979,1.045557,0.647777
sgpcmbeC1.c1,1999,1218:30:00,28 ,0.395065,2.204483,0.937801, 0.42938
sgpcmbeC1.c1,1999,1219:30:00,28 ,0.383116,2.385738,0.938097,0.446649
sgpcmbeC1.c1,1999,1220:30:00,28 ,0.387621,2.757417,0.952601,  0.5165
sgpcmbeC1.c1,1999,1221:30:00,28 ,0.400276,3.478067,0.987265, 0.63221
sgpcmbeC1.c1,1999,1222:30:00,29 , 0.44407, 3.79262, 1.10566,0.868531
sgpcmbeC1.c1,1999,1223:30:00,28 ,0.455455,4.308881,1.041844,0.812305