datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,01 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,01 8:30:00,30 ,0.004556,0.998306,0.404547,0.431044
sgpcmbeC1.c1,2007,01 9:30:00,31 ,0.001765,0.999969,0.460744,0.477823
sgpcmbeC1.c1,2007,0110:30:00,31 ,0.000564,0.999988,0.488398,0.480705
sgpcmbeC1.c1,2007,0111:30:00,31 ,0.000623,0.999995,0.406722,0.443715
sgpcmbeC1.c1,2007,0112:30:00,31 ,0.000838,0.999989,0.414471,0.465201
sgpcmbeC1.c1,2007,0113:30:00,31 ,0.001122,0.999995,0.356604,0.442869
sgpcmbeC1.c1,2007,0114:30:00,31 ,0.001153, 0.99998,0.378284,0.449846
sgpcmbeC1.c1,2007,0115:30:00,31 ,0.000516,0.999859,0.363719, 0.44595
sgpcmbeC1.c1,2007,0116:30:00,31 ,0.000929,0.999342,0.395555,0.442823
sgpcmbeC1.c1,2007,0117:30:00,20 ,0.001414,0.959362,0.239097,0.297221
sgpcmbeC1.c1,2007,0118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0123:30:00,0 ,       .,       .,       .,       .