datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,30 ,       0,       1,0.172593,0.300721
sgpcmbeC1.c1,2002,09 1:30:00,30 ,       0,       1,0.210648,0.368875
sgpcmbeC1.c1,2002,09 2:30:00,30 ,       0,       1,0.250278,0.381292
sgpcmbeC1.c1,2002,09 3:30:00,30 ,       0,       1,0.274167,0.388966
sgpcmbeC1.c1,2002,09 4:30:00,30 ,       0,       1,0.254259,0.408473
sgpcmbeC1.c1,2002,09 5:30:00,30 ,       0,       1,0.224907,0.344691
sgpcmbeC1.c1,2002,09 6:30:00,30 ,       0,       1,0.260648,0.392173
sgpcmbeC1.c1,2002,09 7:30:00,30 ,       0,       1,0.223148,0.362611
sgpcmbeC1.c1,2002,09 8:30:00,30 ,       0,       1,0.238333,0.335199
sgpcmbeC1.c1,2002,09 9:30:00,30 ,       0,       1,0.293333,0.416889
sgpcmbeC1.c1,2002,0910:30:00,30 ,       0,       1,0.251111,0.373518
sgpcmbeC1.c1,2002,0911:30:00,30 ,       0,0.988889,0.290463,0.375516
sgpcmbeC1.c1,2002,0912:30:00,30 ,       0,       1,0.321574,0.367203
sgpcmbeC1.c1,2002,0913:30:00,30 ,       0,       1,0.264537, 0.33246
sgpcmbeC1.c1,2002,0914:30:00,30 ,       0,       1,0.247315,0.347538
sgpcmbeC1.c1,2002,0915:30:00,30 ,       0,       1,0.203241, 0.33844
sgpcmbeC1.c1,2002,0916:30:00,30 ,       0,       1,0.219074,0.370386
sgpcmbeC1.c1,2002,0917:30:00,30 ,       0,       1,0.243796,0.374718
sgpcmbeC1.c1,2002,0918:30:00,30 ,       0,       1,0.238519,0.381159
sgpcmbeC1.c1,2002,0919:30:00,30 ,       0,       1,0.300463,0.425994
sgpcmbeC1.c1,2002,0920:30:00,30 ,       0,       1,0.249444,0.387154
sgpcmbeC1.c1,2002,0921:30:00,30 ,       0,       1,0.245556,0.386642
sgpcmbeC1.c1,2002,0922:30:00,30 ,       0,       1,0.169815, 0.34859
sgpcmbeC1.c1,2002,0923:30:00,30 ,       0,       1,   0.205,0.377763