datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,05 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,05 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,05 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,05 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,05 5:30:00,23 ,0.000016,0.985744, 0.27842, 0.39739
sgpcmbeC1.c1,2001,05 6:30:00,31 ,0.002469,0.999751,0.373212,0.442146
sgpcmbeC1.c1,2001,05 7:30:00,31 ,0.001531,0.999995, 0.36744,0.425267
sgpcmbeC1.c1,2001,05 8:30:00,31 ,0.000109,       1,0.373598,0.436306
sgpcmbeC1.c1,2001,05 9:30:00,31 ,0.000641,       1,0.416458,0.458565
sgpcmbeC1.c1,2001,0510:30:00,31 ,0.000211,0.999997,0.408237,0.418059
sgpcmbeC1.c1,2001,0511:30:00,31 ,0.001269,       1,0.421937,0.416844
sgpcmbeC1.c1,2001,0512:30:00,31 ,0.001925,       1,0.432525,0.425135
sgpcmbeC1.c1,2001,0513:30:00,31 ,0.000762,       1,0.465967,0.430123
sgpcmbeC1.c1,2001,0514:30:00,31 ,0.000834,0.999997,0.452225,0.402209
sgpcmbeC1.c1,2001,0515:30:00,30 ,0.001276,0.999987,0.491388,0.397437
sgpcmbeC1.c1,2001,0516:30:00,30 ,0.002712,       1,0.447861,0.411806
sgpcmbeC1.c1,2001,0517:30:00,30 , 0.00248,0.999961,0.412463, 0.43616
sgpcmbeC1.c1,2001,0518:30:00,31 ,  0.0001,0.989476,0.322991,0.412346
sgpcmbeC1.c1,2001,0519:30:00,14 ,0.000042,0.846973,0.255717,0.326317
sgpcmbeC1.c1,2001,0520:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0521:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0522:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0523:30:00,0 ,       .,       .,       .,       .