datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,01 7:30:00,10 ,0.037612, 0.99976,0.360774,0.442403
sgpcmbeC1.c1,2001,01 8:30:00,29 ,       0,0.999939,0.351863,0.398292
sgpcmbeC1.c1,2001,01 9:30:00,29 ,       0,       1,0.361458,0.457845
sgpcmbeC1.c1,2001,0110:30:00,30 ,       0,       1,0.420153, 0.46479
sgpcmbeC1.c1,2001,0111:30:00,30 ,       0,       1,0.427105,0.471892
sgpcmbeC1.c1,2001,0112:30:00,30 ,0.000016,       1,0.470339,0.494224
sgpcmbeC1.c1,2001,0113:30:00,30 ,0.000041,0.999952,0.475522,0.469366
sgpcmbeC1.c1,2001,0114:30:00,30 ,8.059E-6,0.999911,0.410635, 0.43237
sgpcmbeC1.c1,2001,0115:30:00,30 ,0.000395,0.999976,0.356963, 0.43504
sgpcmbeC1.c1,2001,0116:30:00,30 ,0.000737,0.998547,0.394896,0.460572
sgpcmbeC1.c1,2001,0117:30:00,20 ,0.001079,0.986437,0.280773,0.333831
sgpcmbeC1.c1,2001,0118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0123:30:00,0 ,       .,       .,       .,       .