datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,09 1:30:00,30 ,       0,1.158138,0.074891,0.285152
sgpcmbeC1.c1,2001,09 2:30:00,30 ,       0,1.880437,0.062681,0.343319
sgpcmbeC1.c1,2001,09 3:30:00,30 ,       0,1.269299, 0.04231,0.231741
sgpcmbeC1.c1,2001,09 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,09 5:30:00,30 ,       0,0.768852,0.025644, 0.14037
sgpcmbeC1.c1,2001,09 6:30:00,30 ,0.022647,31.12397,10.82857,10.61591
sgpcmbeC1.c1,2001,09 7:30:00,30 ,0.039197,69.93693,34.94481,23.94654
sgpcmbeC1.c1,2001,09 8:30:00,29 , 0.10615,105.7891,47.27802,27.87188
sgpcmbeC1.c1,2001,09 9:30:00,30 ,0.180981,179.3594,66.06104,51.08883
sgpcmbeC1.c1,2001,0910:30:00,30 ,  0.2737,228.8271,61.52166,66.58264
sgpcmbeC1.c1,2001,0911:30:00,30 ,0.483711,233.7289, 70.8047,76.86967
sgpcmbeC1.c1,2001,0912:30:00,30 ,3.936381,267.1283,75.83767,92.53559
sgpcmbeC1.c1,2001,0913:30:00,30 ,11.73716,349.4963,87.18729,93.89387
sgpcmbeC1.c1,2001,0914:30:00,30 ,0.081493,207.9229,77.54692,62.33787
sgpcmbeC1.c1,2001,0915:30:00,30 ,0.025122, 205.948,64.64211,50.57182
sgpcmbeC1.c1,2001,0916:30:00,30 ,0.018761,120.3337, 54.5204, 29.8371
sgpcmbeC1.c1,2001,0917:30:00,30 ,0.007582,70.22935,37.90324,21.05186
sgpcmbeC1.c1,2001,0918:30:00,30 ,       0,27.27423,6.924299,8.806307
sgpcmbeC1.c1,2001,0919:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0920:30:00,30 ,       0,1.766212,0.058874,0.322465
sgpcmbeC1.c1,2001,0921:30:00,30 ,       0,1.101524,0.036717, 0.20111
sgpcmbeC1.c1,2001,0922:30:00,30 ,       0,1.480393,0.071389,0.292195
sgpcmbeC1.c1,2001,0923:30:00,30 ,       0,1.554386,0.074027,0.304894