datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,12 0:30:00,30 ,0.467218,5.566791,1.275194,1.016269
sgpcmbeC1.c1,2006,12 1:30:00,30 ,0.481957,5.066342,1.248395,0.932835
sgpcmbeC1.c1,2006,12 2:30:00,29 ,0.485983,5.390226,1.274793,0.982431
sgpcmbeC1.c1,2006,12 3:30:00,29 ,0.519379,5.278467,1.291712,0.960821
sgpcmbeC1.c1,2006,12 4:30:00,29 , 0.55437,5.658321,1.377497,1.117792
sgpcmbeC1.c1,2006,12 5:30:00,29 , 0.55475,4.254363,1.291363,0.857096
sgpcmbeC1.c1,2006,12 6:30:00,29 ,0.537637,4.228406,1.294166,0.909619
sgpcmbeC1.c1,2006,12 7:30:00,29 ,0.515824,5.709805,1.360637,1.177406
sgpcmbeC1.c1,2006,12 8:30:00,29 ,0.385496,5.214849,1.384889, 1.20768
sgpcmbeC1.c1,2006,12 9:30:00,29 ,0.154963, 4.86013,1.325884,1.112007
sgpcmbeC1.c1,2006,1210:30:00,30 ,0.131976,4.985019, 1.23908,0.989045
sgpcmbeC1.c1,2006,1211:30:00,30 ,0.140737,3.575114,1.164416,0.767183
sgpcmbeC1.c1,2006,1212:30:00,30 ,0.151854,2.706401,1.117505,0.620229
sgpcmbeC1.c1,2006,1213:30:00,31 ,0.161535,2.793359,1.082626,0.600669
sgpcmbeC1.c1,2006,1214:30:00,31 ,0.169422,2.822591,1.057138,0.593852
sgpcmbeC1.c1,2006,1215:30:00,31 ,0.172314,2.926059,1.057822,0.595683
sgpcmbeC1.c1,2006,1216:30:00,31 ,0.172396,3.150941,1.087132,0.641638
sgpcmbeC1.c1,2006,1217:30:00,31 ,0.180032,  3.1702,1.123076,0.680071
sgpcmbeC1.c1,2006,1218:30:00,31 ,0.174264,3.093517,1.117491,0.673275
sgpcmbeC1.c1,2006,1219:30:00,31 ,0.197779,4.968188,1.206355,0.936284
sgpcmbeC1.c1,2006,1220:30:00,31 ,0.294152,6.691118,1.272533,1.167223
sgpcmbeC1.c1,2006,1221:30:00,31 ,0.369712,6.695346,1.342827,1.295863
sgpcmbeC1.c1,2006,1222:30:00,31 , 0.42521,6.523337,1.401692, 1.41235
sgpcmbeC1.c1,2006,1223:30:00,31 ,0.411826,6.673084,1.339957,1.279056