datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,09 6:30:00,30 ,0.001248,0.999918,0.268372,0.369796
sgpcmbeC1.c1,2006,09 7:30:00,30 ,0.003511,0.999759,0.320832,0.381137
sgpcmbeC1.c1,2006,09 8:30:00,30 ,0.002718,0.999977,0.341457,0.425441
sgpcmbeC1.c1,2006,09 9:30:00,30 ,0.001814,0.999991,0.317224,0.401806
sgpcmbeC1.c1,2006,0910:30:00,30 ,  0.0033,0.999999,0.261733,0.381467
sgpcmbeC1.c1,2006,0911:30:00,30 ,0.002595,0.999713,0.327934,0.402312
sgpcmbeC1.c1,2006,0912:30:00,30 ,0.001743,0.999997,0.378228,0.406586
sgpcmbeC1.c1,2006,0913:30:00,30 ,0.002029,0.999948,0.341738,0.392605
sgpcmbeC1.c1,2006,0914:30:00,30 ,0.001613,       1,0.405361, 0.43467
sgpcmbeC1.c1,2006,0915:30:00,30 ,0.000761,       1,0.387453,0.405177
sgpcmbeC1.c1,2006,0916:30:00,30 ,0.000421,0.999969,0.408934,0.414115
sgpcmbeC1.c1,2006,0917:30:00,30 ,0.000489, 0.99971,0.394555,0.375117
sgpcmbeC1.c1,2006,0918:30:00,20 ,0.001173,0.996674,0.382249,0.371297
sgpcmbeC1.c1,2006,0919:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0920:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0921:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0922:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0923:30:00,0 ,       .,       .,       .,       .