datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,06 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,06 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,06 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,06 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,06 5:30:00,30 ,0.001587,0.998072,0.264287,0.336329
sgpcmbeC1.c1,2006,06 6:30:00,30 ,0.006045,0.999209,0.331506,  0.3918
sgpcmbeC1.c1,2006,06 7:30:00,30 ,0.006318,0.999955,0.352651,0.417916
sgpcmbeC1.c1,2006,06 8:30:00,30 ,0.005502,0.999876,0.337388,0.418986
sgpcmbeC1.c1,2006,06 9:30:00,30 , 0.00383,0.999419,0.333405,0.418108
sgpcmbeC1.c1,2006,0610:30:00,30 ,0.002098,0.999053,0.265395, 0.37582
sgpcmbeC1.c1,2006,0611:30:00,30 ,0.002629,0.999377,0.244255,0.373566
sgpcmbeC1.c1,2006,0612:30:00,30 ,0.000218,0.999996,0.271062,0.366893
sgpcmbeC1.c1,2006,0613:30:00,30 ,0.000515, 0.99999,0.296286,0.394461
sgpcmbeC1.c1,2006,0614:30:00,30 ,  0.0004,0.999716,0.279541,0.341119
sgpcmbeC1.c1,2006,0615:30:00,30 ,0.000974, 0.99994,0.318963,0.347636
sgpcmbeC1.c1,2006,0616:30:00,30 ,0.001486,0.999998,0.203919,0.256764
sgpcmbeC1.c1,2006,0617:30:00,30 , 0.00139,0.999696,0.173834,0.251775
sgpcmbeC1.c1,2006,0618:30:00,30 ,0.001063,0.999811,0.191955,0.260494
sgpcmbeC1.c1,2006,0619:30:00,30 ,0.000637, 0.99983,0.147201,0.287879
sgpcmbeC1.c1,2006,0620:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0621:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0622:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0623:30:00,0 ,       .,       .,       .,       .