datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,04 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,04 6:30:00,30 ,0.003873,       1,0.547038,0.423068
sgpcmbeC1.c1,2002,04 7:30:00,30 ,0.001096,       1,0.607715,0.455626
sgpcmbeC1.c1,2002,04 8:30:00,30 ,0.001472,       1,0.581556,0.459264
sgpcmbeC1.c1,2002,04 9:30:00,30 ,0.002272,       1,0.630495,0.452317
sgpcmbeC1.c1,2002,0410:30:00,30 ,0.001393,       1,0.611482,0.467744
sgpcmbeC1.c1,2002,0411:30:00,30 ,0.001023,       1,  0.5914,0.460662
sgpcmbeC1.c1,2002,0412:30:00,30 ,0.001112,       1,0.544115,0.475259
sgpcmbeC1.c1,2002,0413:30:00,30 ,0.000845,       1,0.551092,0.477681
sgpcmbeC1.c1,2002,0414:30:00,30 ,0.001242,       1, 0.52531,0.470423
sgpcmbeC1.c1,2002,0415:30:00,30 ,0.002306,       1,0.501313,0.464086
sgpcmbeC1.c1,2002,0416:30:00,30 ,0.001346,       1,0.494191,0.444426
sgpcmbeC1.c1,2002,0417:30:00,30 ,0.001779,       1,0.496751,0.458251
sgpcmbeC1.c1,2002,0418:30:00,30 ,0.001593,0.999876,0.448683,0.426327
sgpcmbeC1.c1,2002,0419:30:00,1 ,0.992402,0.992402,0.992402,       .
sgpcmbeC1.c1,2002,0420:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0421:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0422:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0423:30:00,0 ,       .,       .,       .,       .