datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,0.149365,0.010152,0.037965
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,0.466843, 0.02208,0.089934
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0,0.175718,0.012904,0.040467
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,0.186507,0.009694,0.038271
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 6:30:00,29 ,0.730763,12.94741,8.988485,3.202951
sgpcmbeC1.c1,2000,09 7:30:00,29 ,1.624106,31.50847,16.96645, 5.99064
sgpcmbeC1.c1,2000,09 8:30:00,29 ,1.859773,39.03617,17.12969,8.464121
sgpcmbeC1.c1,2000,09 9:30:00,29 , 2.96139,47.57474,16.86721,11.74239
sgpcmbeC1.c1,2000,0910:30:00,29 ,2.285143,71.23715,14.72192,15.71251
sgpcmbeC1.c1,2000,0911:30:00,29 ,2.721824,52.48807,13.86008,16.15349
sgpcmbeC1.c1,2000,0912:30:00,29 ,0.571568,60.81872,14.37241,20.48002
sgpcmbeC1.c1,2000,0913:30:00,29 , 2.83964,77.34331,16.38752,21.50055
sgpcmbeC1.c1,2000,0914:30:00,29 ,5.668176,66.62676,18.32766, 16.1848
sgpcmbeC1.c1,2000,0915:30:00,29 ,6.568439,57.68154,19.32291,12.84776
sgpcmbeC1.c1,2000,0916:30:00,29 ,3.087883,40.79429,18.62676,7.474473
sgpcmbeC1.c1,2000,0917:30:00,29 ,2.135145,24.94866, 17.0044,4.546422
sgpcmbeC1.c1,2000,0918:30:00,29 , 0.21488,11.03249,5.769512,3.067329
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,0.205294,0.007079,0.038122
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,0.248989,0.014209,0.054358
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,0.660507,0.022776,0.122653