datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,07 0:30:00,31 ,0.437869,8.760592,1.536244,1.477921
sgpcmbeC1.c1,1999,07 1:30:00,31 ,0.375152,8.831306,2.077899,2.382561
sgpcmbeC1.c1,1999,07 2:30:00,31 , 0.49777,11.58391,2.349142,2.623637
sgpcmbeC1.c1,1999,07 3:30:00,31 ,0.422549,7.252504,1.793369,1.615292
sgpcmbeC1.c1,1999,07 4:30:00,31 , 0.41335,7.654469, 2.23074,1.963151
sgpcmbeC1.c1,1999,07 5:30:00,31 ,0.397156,5.304163,1.575274,1.372847
sgpcmbeC1.c1,1999,07 6:30:00,31 ,0.628795,18.66425,3.166591,3.874254
sgpcmbeC1.c1,1999,07 7:30:00,31 ,0.609887,16.38738,3.615982,3.053943
sgpcmbeC1.c1,1999,07 8:30:00,31 ,1.197876,7.538187, 3.05998,1.628134
sgpcmbeC1.c1,1999,07 9:30:00,31 ,1.212187,7.072187,2.825907,1.195192
sgpcmbeC1.c1,1999,0710:30:00,31 ,0.895552,11.68557,3.014048,1.922999
sgpcmbeC1.c1,1999,0711:30:00,31 ,1.171581,10.85851,3.417743,2.504909
sgpcmbeC1.c1,1999,0712:30:00,31 ,0.938952,8.249201,3.075194,1.709207
sgpcmbeC1.c1,1999,0713:30:00,31 ,1.172157,13.03957, 3.25653,2.612095
sgpcmbeC1.c1,1999,0714:30:00,31 ,0.836682,11.52552,3.213171,2.433711
sgpcmbeC1.c1,1999,0715:30:00,31 , 1.11314,7.680297,2.805214, 1.71623
sgpcmbeC1.c1,1999,0716:30:00,31 ,0.781335,9.749298,2.531975,2.229338
sgpcmbeC1.c1,1999,0717:30:00,31 , 0.89283, 10.9504,2.320205,2.087311
sgpcmbeC1.c1,1999,0718:30:00,31 ,0.790198,16.00716,3.068778,3.551864
sgpcmbeC1.c1,1999,0719:30:00,31 , 1.41667,10.13283,3.134325,  1.5577
sgpcmbeC1.c1,1999,0720:30:00,31 ,0.958084,4.694652, 1.85276,0.883301
sgpcmbeC1.c1,1999,0721:30:00,31 ,0.421459,7.171388,1.654094,1.472493
sgpcmbeC1.c1,1999,0722:30:00,31 ,0.498524,7.763041,1.732934,1.529708
sgpcmbeC1.c1,1999,0723:30:00,31 , 0.38299,11.75786,1.962417,2.585008