datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,31 ,0.561458,2.894508, 1.74232,0.647143
sgpcmbeC1.c1,2001,07 1:30:00,31 ,0.516364,2.980128,1.667181,0.651891
sgpcmbeC1.c1,2001,07 2:30:00,31 ,0.500104,4.054886,1.553337, 0.95649
sgpcmbeC1.c1,2001,07 3:30:00,31 ,0.473667,4.496545,1.681699,1.165731
sgpcmbeC1.c1,2001,07 4:30:00,31 ,0.378062,4.467068,1.713571,1.151727
sgpcmbeC1.c1,2001,07 5:30:00,31 ,  0.4377,5.436572,1.770566,1.070155
sgpcmbeC1.c1,2001,07 6:30:00,31 ,0.630258,10.02898,5.353009,2.440003
sgpcmbeC1.c1,2001,07 7:30:00,31 ,1.020545,9.969512,6.225371,2.086385
sgpcmbeC1.c1,2001,07 8:30:00,31 ,1.919591, 16.3752,6.487328,2.778997
sgpcmbeC1.c1,2001,07 9:30:00,31 ,2.075395,14.05593,7.181577,2.185854
sgpcmbeC1.c1,2001,0710:30:00,31 ,3.604501,12.67919,6.775009,1.901238
sgpcmbeC1.c1,2001,0711:30:00,31 ,3.283468,12.18638,5.986595,2.229379
sgpcmbeC1.c1,2001,0712:30:00,30 ,2.452684,22.61253,6.075208,4.573409
sgpcmbeC1.c1,2001,0713:30:00,31 ,1.746487, 16.1059,5.467824,3.515528
sgpcmbeC1.c1,2001,0714:30:00,31 ,2.009637,14.39028,4.865499,2.856708
sgpcmbeC1.c1,2001,0715:30:00,31 ,2.035429,13.67642, 5.64251,2.843402
sgpcmbeC1.c1,2001,0716:30:00,31 ,2.627738,12.08316,5.298267,2.248406
sgpcmbeC1.c1,2001,0717:30:00,31 ,2.363541,9.548219,4.914258,1.363688
sgpcmbeC1.c1,2001,0718:30:00,31 ,1.150599,7.652296,4.819995,1.137312
sgpcmbeC1.c1,2001,0719:30:00,31 , 2.56001,8.652597,5.065947,1.424929
sgpcmbeC1.c1,2001,0720:30:00,31 ,0.500316,5.542756,2.894754,0.982978
sgpcmbeC1.c1,2001,0721:30:00,31 ,0.655089,4.606093,2.137494, 0.86642
sgpcmbeC1.c1,2001,0722:30:00,31 ,0.773743,3.641307,1.956917,0.724098
sgpcmbeC1.c1,2001,0723:30:00,31 , 0.84615,4.825421,1.867603,0.781081