datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,       0,       1,0.235394,0.361069
sgpcmbeC1.c1,2007,08 1:30:00,31 ,       0,       1,0.213351,0.358503
sgpcmbeC1.c1,2007,08 2:30:00,31 ,       0,       1,0.210036,0.340551
sgpcmbeC1.c1,2007,08 3:30:00,31 ,       0,       1,0.200179,0.315321
sgpcmbeC1.c1,2007,08 4:30:00,31 ,       0,       1,0.219265,0.308745
sgpcmbeC1.c1,2007,08 5:30:00,31 ,       0,       1,0.237545,0.322541
sgpcmbeC1.c1,2007,08 6:30:00,31 ,       0,       1,0.230735,0.350381
sgpcmbeC1.c1,2007,08 7:30:00,31 ,       0,       1,0.215233,0.331751
sgpcmbeC1.c1,2007,08 8:30:00,31 ,       0,       1, 0.24328,0.344439
sgpcmbeC1.c1,2007,08 9:30:00,31 ,       0,       1,0.294176,0.395485
sgpcmbeC1.c1,2007,0810:30:00,31 ,       0,       1,0.367832,0.411189
sgpcmbeC1.c1,2007,0811:30:00,31 ,       0,       1,0.336559,0.397886
sgpcmbeC1.c1,2007,0812:30:00,31 ,       0,       1,0.372043,0.367974
sgpcmbeC1.c1,2007,0813:30:00,31 ,       0,       1,0.443996, 0.39979
sgpcmbeC1.c1,2007,0814:30:00,31 ,       0,       1,0.331631,0.349774
sgpcmbeC1.c1,2007,0815:30:00,31 ,       0,       1,    0.25, 0.32645
sgpcmbeC1.c1,2007,0816:30:00,31 ,       0,       1,0.263172,0.317157
sgpcmbeC1.c1,2007,0817:30:00,31 ,       0,       1, 0.29095,0.378618
sgpcmbeC1.c1,2007,0818:30:00,30 ,       0,0.994444,0.278796,0.353079
sgpcmbeC1.c1,2007,0819:30:00,30 ,       0,       1, 0.25713,0.362449
sgpcmbeC1.c1,2007,0820:30:00,30 ,       0,0.952778,0.197778,0.305378
sgpcmbeC1.c1,2007,0821:30:00,30 ,       0,       1,0.151111,0.288182
sgpcmbeC1.c1,2007,0822:30:00,30 ,       0,     0.9,0.180278,0.284756
sgpcmbeC1.c1,2007,0823:30:00,30 ,       0,       1,0.227593,0.358992