datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,27 ,1.525408, 4.93248,3.474259,0.770484
sgpcmbeC1.c1,2005,07 1:30:00,27 ,1.614088,5.009278, 3.47733,0.733719
sgpcmbeC1.c1,2005,07 2:30:00,27 ,1.744681,5.031694,3.466755,0.717345
sgpcmbeC1.c1,2005,07 3:30:00,27 ,1.682934,4.950426,3.465606,0.730738
sgpcmbeC1.c1,2005,07 4:30:00,27 ,1.854637,4.938612,3.515675,0.728531
sgpcmbeC1.c1,2005,07 5:30:00,25 ,1.884344,4.962993,3.529635,0.691262
sgpcmbeC1.c1,2005,07 6:30:00,25 ,1.906445, 4.82879,3.555035,0.706792
sgpcmbeC1.c1,2005,07 7:30:00,25 ,1.983319,4.895007,3.570198,0.705657
sgpcmbeC1.c1,2005,07 8:30:00,28 ,1.980107,4.896843,3.590609,0.657099
sgpcmbeC1.c1,2005,07 9:30:00,29 ,0.475967,4.975056,3.475981,0.858682
sgpcmbeC1.c1,2005,0710:30:00,29 ,1.555552,5.145381,3.526797,0.737385
sgpcmbeC1.c1,2005,0711:30:00,29 ,2.032022,5.288299,3.547326,0.702615
sgpcmbeC1.c1,2005,0712:30:00,29 ,1.925502,5.240244, 3.60976,0.697881
sgpcmbeC1.c1,2005,0713:30:00,29 ,2.254964, 5.45767,3.695489,0.704233
sgpcmbeC1.c1,2005,0714:30:00,29 ,2.386808,5.688237,3.730652,0.727481
sgpcmbeC1.c1,2005,0715:30:00,29 , 2.33731,5.598264,3.766484,0.754966
sgpcmbeC1.c1,2005,0716:30:00,28 ,2.186567,5.536828,3.749376,0.768365
sgpcmbeC1.c1,2005,0717:30:00,28 ,2.288863, 5.82315,3.716568,0.814373
sgpcmbeC1.c1,2005,0718:30:00,28 , 2.23715,7.127866,3.731732,0.990984
sgpcmbeC1.c1,2005,0719:30:00,28 ,1.942983,5.784929,3.677047,0.904643
sgpcmbeC1.c1,2005,0720:30:00,28 , 1.58137,6.552472,3.711646,1.064812
sgpcmbeC1.c1,2005,0721:30:00,28 ,1.142534,5.886603,3.579315,0.987256
sgpcmbeC1.c1,2005,0722:30:00,27 ,1.375829,5.172599,3.466365,0.851434
sgpcmbeC1.c1,2005,0723:30:00,27 ,1.446717,5.025969,3.435833,0.808538