datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,04 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,04 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,04 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,04 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,04 5:30:00,1 ,0.005365,0.005365,0.005365,       .
sgpcmbeC1.c1,2001,04 6:30:00,30 ,0.001512,0.999009,0.425724,0.421087
sgpcmbeC1.c1,2001,04 7:30:00,30 ,0.000165,0.999988,0.470057,0.459737
sgpcmbeC1.c1,2001,04 8:30:00,30 ,0.000151,       1, 0.47301,0.478713
sgpcmbeC1.c1,2001,04 9:30:00,30 ,0.000177,       1,0.489742,0.474534
sgpcmbeC1.c1,2001,0410:30:00,30 ,0.000172,       1,0.536867,0.475697
sgpcmbeC1.c1,2001,0411:30:00,30 ,0.000603,       1,0.578735, 0.46109
sgpcmbeC1.c1,2001,0412:30:00,30 ,0.001037,       1,0.616514,0.442926
sgpcmbeC1.c1,2001,0413:30:00,30 ,0.000602,       1, 0.62806,0.427007
sgpcmbeC1.c1,2001,0414:30:00,30 ,0.000575,       1,0.574557,0.436133
sgpcmbeC1.c1,2001,0415:30:00,30 ,0.000444,0.999996,0.496744, 0.43644
sgpcmbeC1.c1,2001,0416:30:00,30 ,0.000351,0.999992,0.489141,0.449942
sgpcmbeC1.c1,2001,0417:30:00,30 , 0.00048,       1,0.449569,0.438861
sgpcmbeC1.c1,2001,0418:30:00,30 ,0.000697,0.991659,0.311552,0.367248
sgpcmbeC1.c1,2001,0419:30:00,2 ,0.005235,0.005908,0.005571,0.000476
sgpcmbeC1.c1,2001,0420:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0421:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0422:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0423:30:00,0 ,       .,       .,       .,       .