datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,27 ,0.369959,13.27352,3.279348,3.495385
sgpcmbeC1.c1,1999,05 1:30:00,28 ,0.592004,21.28177,4.303088, 5.22708
sgpcmbeC1.c1,1999,05 2:30:00,28 ,0.572576,10.36669,2.736125,2.662131
sgpcmbeC1.c1,1999,05 3:30:00,29 ,0.343035,15.22271,3.837437,4.605284
sgpcmbeC1.c1,1999,05 4:30:00,29 ,0.470142,15.41319,3.112698,3.778691
sgpcmbeC1.c1,1999,05 5:30:00,29 ,0.366113,21.28621, 3.92128,4.891512
sgpcmbeC1.c1,1999,05 6:30:00,29 ,0.307648,32.20396,6.524874,8.221714
sgpcmbeC1.c1,1999,05 7:30:00,29 ,0.785917,16.74985,4.322206,3.794487
sgpcmbeC1.c1,1999,05 8:30:00,29 ,0.533965,17.41664,4.876547,4.405941
sgpcmbeC1.c1,1999,05 9:30:00,29 ,1.034527,21.53116,5.236363,4.999849
sgpcmbeC1.c1,1999,0510:30:00,29 ,0.648325,25.61285,4.833808,5.246993
sgpcmbeC1.c1,1999,0511:30:00,29 ,0.712493,16.68416,4.550715,4.197983
sgpcmbeC1.c1,1999,0512:30:00,29 ,0.880193,11.13836, 3.91858,3.121462
sgpcmbeC1.c1,1999,0513:30:00,29 ,1.015349,12.05798,4.173823,3.185374
sgpcmbeC1.c1,1999,0514:30:00,29 ,1.194284,20.86343,4.957536,4.659776
sgpcmbeC1.c1,1999,0515:30:00,29 ,0.433525,19.05703,4.580511,4.356925
sgpcmbeC1.c1,1999,0516:30:00,29 , 0.62514,19.06117,5.638143,5.295777
sgpcmbeC1.c1,1999,0517:30:00,29 ,0.629122,18.12328,5.402211,5.591924
sgpcmbeC1.c1,1999,0518:30:00,29 ,0.771397,19.02928, 4.81857,4.423955
sgpcmbeC1.c1,1999,0519:30:00,29 ,0.594314,20.50927,6.696967,5.987247
sgpcmbeC1.c1,1999,0520:30:00,29 ,0.382859,13.32224,3.304979,3.729292
sgpcmbeC1.c1,1999,0521:30:00,29 ,0.521892,10.05567,2.482634,2.229412
sgpcmbeC1.c1,1999,0522:30:00,29 ,0.355562,  11.209,2.857874, 3.22636
sgpcmbeC1.c1,1999,0523:30:00,28 ,0.434589,9.540373,2.716917,2.795495