datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,28 ,1.000166,4.395612,2.415367,1.018219
sgpcmbeC1.c1,1999,05 1:30:00,27 ,0.957346,4.587889,2.384034,1.022335
sgpcmbeC1.c1,1999,05 2:30:00,27 ,  0.8843,4.591745,2.397319,1.038855
sgpcmbeC1.c1,1999,05 3:30:00,26 ,0.771286,4.709445,2.391163, 1.06494
sgpcmbeC1.c1,1999,05 4:30:00,24 ,  0.6984,4.955361,2.360075,1.078147
sgpcmbeC1.c1,1999,05 5:30:00,24 ,0.688153,   4.264,2.361105,1.039635
sgpcmbeC1.c1,1999,05 6:30:00,24 ,0.676985,3.974369, 2.34359,1.046106
sgpcmbeC1.c1,1999,05 7:30:00,27 ,0.747992,3.913406, 2.34362,0.982512
sgpcmbeC1.c1,1999,05 8:30:00,27 ,0.758134,3.971215,2.347491,0.979861
sgpcmbeC1.c1,1999,05 9:30:00,26 ,0.795047,3.927076,2.364452,0.964863
sgpcmbeC1.c1,1999,0510:30:00,25 ,0.880783,3.810636,2.301521,0.881221
sgpcmbeC1.c1,1999,0511:30:00,25 ,0.981519,4.157104,2.344285,0.868188
sgpcmbeC1.c1,1999,0512:30:00,25 ,0.962166,4.120873,2.357286,0.843793
sgpcmbeC1.c1,1999,0513:30:00,26 ,1.029267,4.122892,2.338434,0.815455
sgpcmbeC1.c1,1999,0514:30:00,26 ,1.089382,4.177262,2.360676, 0.80315
sgpcmbeC1.c1,1999,0515:30:00,27 ,1.091876,4.192074,2.441447,0.835413
sgpcmbeC1.c1,1999,0516:30:00,27 , 1.09769,3.918468,2.424467,0.763112
sgpcmbeC1.c1,1999,0517:30:00,27 ,1.066072,3.718114,2.452888,0.744447
sgpcmbeC1.c1,1999,0518:30:00,29 ,1.043609,3.794296,2.437531,0.734486
sgpcmbeC1.c1,1999,0519:30:00,29 ,1.037303,4.124427,2.461884, 0.81974
sgpcmbeC1.c1,1999,0520:30:00,29 ,1.057426,4.190152,2.468364,0.886841
sgpcmbeC1.c1,1999,0521:30:00,29 ,1.054673,4.524014,2.479534,0.957698
sgpcmbeC1.c1,1999,0522:30:00,27 ,1.037445,3.852883,2.348208,0.892777
sgpcmbeC1.c1,1999,0523:30:00,27 ,1.035458,4.210711,2.379057, 0.95851