datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,12 0:30:00,28 ,0.299296,3.855748,0.973264, 0.68399
sgpcmbeC1.c1,2004,12 1:30:00,27 ,  0.2789, 2.10498,0.858536,0.373155
sgpcmbeC1.c1,2004,12 2:30:00,27 ,0.281542,1.956074,0.854473, 0.35613
sgpcmbeC1.c1,2004,12 3:30:00,27 ,0.275606,1.811811,0.848106,0.342937
sgpcmbeC1.c1,2004,12 4:30:00,27 ,0.242126,1.889553,  0.8571,0.367598
sgpcmbeC1.c1,2004,12 5:30:00,27 ,0.221051, 1.92052,0.843675,0.384429
sgpcmbeC1.c1,2004,12 6:30:00,26 ,0.234063,2.060601,0.826058,0.403362
sgpcmbeC1.c1,2004,12 7:30:00,26 ,0.233415,2.171005,0.848476,0.433495
sgpcmbeC1.c1,2004,12 8:30:00,28 ,0.206962,2.370887,0.910958,0.471392
sgpcmbeC1.c1,2004,12 9:30:00,29 ,0.203697,2.554612, 0.90538, 0.47886
sgpcmbeC1.c1,2004,1210:30:00,28 ,0.218532,2.483802,0.891612, 0.47291
sgpcmbeC1.c1,2004,1211:30:00,28 ,0.231428,2.248198,0.886838,0.439385
sgpcmbeC1.c1,2004,1212:30:00,28 ,0.231964,2.162063, 0.90823,0.440633
sgpcmbeC1.c1,2004,1213:30:00,29 ,0.234234,2.085363,0.931845,0.440412
sgpcmbeC1.c1,2004,1214:30:00,27 ,0.234206,1.670881,0.905861,0.376658
sgpcmbeC1.c1,2004,1215:30:00,27 ,0.232375,1.650816,0.922736,0.388113
sgpcmbeC1.c1,2004,1216:30:00,27 ,0.222901,1.829615,0.930535,0.408788
sgpcmbeC1.c1,2004,1217:30:00,28 , 0.24163, 3.86671,1.037688,0.697515
sgpcmbeC1.c1,2004,1218:30:00,28 ,0.242656,3.291462,1.012645,0.626281
sgpcmbeC1.c1,2004,1219:30:00,28 ,0.270575,2.727899,0.983758,0.554982
sgpcmbeC1.c1,2004,1220:30:00,28 ,0.274341,2.440084,0.977499,0.509446
sgpcmbeC1.c1,2004,1221:30:00,28 ,0.322743,2.338571,0.971871,0.481131
sgpcmbeC1.c1,2004,1222:30:00,28 ,0.321827,2.376827,0.967733,0.487208
sgpcmbeC1.c1,2004,1223:30:00,27 ,0.308912,2.361661,0.920267,0.421101