datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,07 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,07 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,07 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,07 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,07 5:30:00,20 ,0.001657,0.999771,0.289834,0.415385
sgpcmbeC1.c1,2001,07 6:30:00,6 ,0.039141,       1,0.678196,0.483554
sgpcmbeC1.c1,2001,07 7:30:00,5 ,0.037141,       1, 0.57923,0.458437
sgpcmbeC1.c1,2001,07 8:30:00,12 ,0.000615,       1,0.308504, 0.42584
sgpcmbeC1.c1,2001,07 9:30:00,20 ,0.000432,       1,0.259541, 0.39584
sgpcmbeC1.c1,2001,0710:30:00,20 ,0.000679,0.979976,0.213043,0.356132
sgpcmbeC1.c1,2001,0711:30:00,21 ,0.000975,0.848012,0.218343,0.280905
sgpcmbeC1.c1,2001,0712:30:00,21 ,0.004585,       1,0.338881,0.414733
sgpcmbeC1.c1,2001,0713:30:00,22 ,0.004526,       1,0.275192,0.355025
sgpcmbeC1.c1,2001,0714:30:00,22 ,0.002294,       1,0.305251,0.388044
sgpcmbeC1.c1,2001,0715:30:00,22 ,0.002455,       1,0.274385,0.370156
sgpcmbeC1.c1,2001,0716:30:00,22 ,0.003544,       1,0.242214,0.365344
sgpcmbeC1.c1,2001,0717:30:00,23 , 0.00322,0.999555,0.186614,0.326242
sgpcmbeC1.c1,2001,0718:30:00,23 ,0.001952,0.992123,0.122495,0.237252
sgpcmbeC1.c1,2001,0719:30:00,23 ,0.001226,0.995061,0.059933,0.207121
sgpcmbeC1.c1,2001,0720:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0721:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0722:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0723:30:00,0 ,       .,       .,       .,       .