datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,07 0:30:00,31 ,0.479808,11.62231,2.850733,2.259012 twpcmbeC1.c1,2002,07 1:30:00,31 ,0.524928,11.34868,3.983176, 2.77427 twpcmbeC1.c1,2002,07 2:30:00,31 ,0.616997,14.00145,4.445503,2.975364 twpcmbeC1.c1,2002,07 3:30:00,31 ,0.796666,9.805192,4.128915, 2.46922 twpcmbeC1.c1,2002,07 4:30:00,31 ,1.025558,10.31223,4.722047,2.984071 twpcmbeC1.c1,2002,07 5:30:00,31 ,0.652568,12.74745,4.510699,3.203516 twpcmbeC1.c1,2002,07 6:30:00,31 ,1.033908,12.89794, 4.52997,2.896862 twpcmbeC1.c1,2002,07 7:30:00,31 ,0.900958,9.671993,3.763444,2.406665 twpcmbeC1.c1,2002,07 8:30:00,31 ,0.526258,11.86228,4.050422,2.759394 twpcmbeC1.c1,2002,07 9:30:00,31 ,1.005616,11.86191,4.422726,2.828074 twpcmbeC1.c1,2002,0710:30:00,31 ,0.844009,9.098655,3.646156,2.104016 twpcmbeC1.c1,2002,0711:30:00,31 ,1.003417,9.337664,3.802729,2.338028 twpcmbeC1.c1,2002,0712:30:00,31 , 0.66405,8.006539,3.303536,2.056736 twpcmbeC1.c1,2002,0713:30:00,31 ,0.685302,11.33206, 4.33535, 3.06487 twpcmbeC1.c1,2002,0714:30:00,31 , 0.88456, 10.5289,3.153946,2.321923 twpcmbeC1.c1,2002,0715:30:00,31 ,0.572685,9.763725, 3.33217,2.799599 twpcmbeC1.c1,2002,0716:30:00,31 ,0.528826,12.00378,3.668784,2.921601 twpcmbeC1.c1,2002,0717:30:00,31 , 0.35805,12.96128,3.385648,3.251352 twpcmbeC1.c1,2002,0718:30:00,31 ,0.459021,8.045983, 3.00491,2.221201 twpcmbeC1.c1,2002,0719:30:00,31 , 0.60061,7.654103,3.230633,2.041522 twpcmbeC1.c1,2002,0720:30:00,31 ,0.509425, 7.14609,3.010957,1.596198 twpcmbeC1.c1,2002,0721:30:00,31 , 0.50634,12.00208,3.426056,2.908756 twpcmbeC1.c1,2002,0722:30:00,31 ,0.503366,9.193575,3.561319, 2.33001 twpcmbeC1.c1,2002,0723:30:00,31 ,0.359202,10.02405,3.592783,2.354795