datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,1999,09 0:30:00,27 ,0.886258,4.927362,2.936037,1.227805 sgpcmbeC1.c1,1999,09 1:30:00,25 ,0.899645,5.205626,2.856411,1.276268 sgpcmbeC1.c1,1999,09 2:30:00,27 ,0.908753,5.059957,2.972404,1.316988 sgpcmbeC1.c1,1999,09 3:30:00,28 ,0.917963,4.980079,2.958273,1.248399 sgpcmbeC1.c1,1999,09 4:30:00,28 ,0.914097,4.985995,2.874629,1.190854 sgpcmbeC1.c1,1999,09 5:30:00,28 ,0.906156,5.213315,2.898573,1.240442 sgpcmbeC1.c1,1999,09 6:30:00,28 ,0.896544, 5.51606,2.903759,1.267059 sgpcmbeC1.c1,1999,09 7:30:00,30 ,0.885679,5.224366,2.928945,1.219844 sgpcmbeC1.c1,1999,09 8:30:00,30 ,0.838619, 5.25012,2.945888,1.236419 sgpcmbeC1.c1,1999,09 9:30:00,30 ,0.754708,5.096443,2.951746, 1.22361 sgpcmbeC1.c1,1999,0910:30:00,30 ,0.709537,4.950366,2.969643,1.210479 sgpcmbeC1.c1,1999,0911:30:00,30 ,0.698295,5.017003, 2.98405,1.181265 sgpcmbeC1.c1,1999,0912:30:00,30 ,0.709702,4.956323,2.973595,1.166178 sgpcmbeC1.c1,1999,0913:30:00,29 , 0.71959,4.883147,2.960831,1.166636 sgpcmbeC1.c1,1999,0914:30:00,29 ,0.753057,5.322752,3.001328,1.195657 sgpcmbeC1.c1,1999,0915:30:00,24 ,0.812228,4.458489,2.917024,1.168615 sgpcmbeC1.c1,1999,0916:30:00,22 ,0.873401,4.604015,2.921266,1.224666 sgpcmbeC1.c1,1999,0917:30:00,16 ,0.907395,4.914733, 2.86326, 1.35528 sgpcmbeC1.c1,1999,0918:30:00,27 ,0.922465,4.248857,2.799471,1.016822 sgpcmbeC1.c1,1999,0919:30:00,28 , 0.87839,4.442686,2.824371,1.041508 sgpcmbeC1.c1,1999,0920:30:00,28 ,0.874103,4.328862,2.805762, 1.06168 sgpcmbeC1.c1,1999,0921:30:00,28 ,0.902242,5.485975,2.897089,1.241117 sgpcmbeC1.c1,1999,0922:30:00,29 ,0.900825,5.128593,2.937398,1.244224 sgpcmbeC1.c1,1999,0923:30:00,29 ,0.903822,4.743506,2.883038, 1.20056