datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,01 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,01 8:30:00,31 ,0.000547,0.996608,0.313278,0.390868
sgpcmbeC1.c1,2006,01 9:30:00,31 ,0.000352,       1,0.345828,0.410178
sgpcmbeC1.c1,2006,0110:30:00,31 ,4.737E-7,       1,0.363038,0.436123
sgpcmbeC1.c1,2006,0111:30:00,31 ,1.439E-6,       1,0.308235,0.395336
sgpcmbeC1.c1,2006,0112:30:00,31 ,2.882E-6,       1,0.301495,0.404284
sgpcmbeC1.c1,2006,0113:30:00,31 ,       0,       1,0.272756,0.364339
sgpcmbeC1.c1,2006,0114:30:00,31 ,       0,       1,0.298207,0.386242
sgpcmbeC1.c1,2006,0115:30:00,31 ,       0,       1,0.303524,0.395369
sgpcmbeC1.c1,2006,0116:30:00,31 ,2.707E-6,0.999702, 0.27642,0.375347
sgpcmbeC1.c1,2006,0117:30:00,21 ,       0,0.930971,0.240764,0.323859
sgpcmbeC1.c1,2006,0118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0123:30:00,0 ,       .,       .,       .,       .