datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,18 ,0.016444,0.228975,0.061163,0.047729
sgpcmbeC1.c1,2001,06 1:30:00,18 ,0.018808,0.138447,0.062453,0.041325
sgpcmbeC1.c1,2001,06 2:30:00,18 ,0.017106,0.126768,0.064341, 0.03842
sgpcmbeC1.c1,2001,06 3:30:00,18 ,0.018058,0.231438,0.063153,0.060661
sgpcmbeC1.c1,2001,06 4:30:00,17 ,0.016794,0.239827,0.071097, 0.06574
sgpcmbeC1.c1,2001,06 5:30:00,17 ,0.021914,0.213465,0.070818,0.052936
sgpcmbeC1.c1,2001,06 6:30:00,18 ,0.014622,0.248656, 0.06992,0.059738
sgpcmbeC1.c1,2001,06 7:30:00,20 ,0.021934,0.266827,0.069667,0.061094
sgpcmbeC1.c1,2001,06 8:30:00,22 ,0.022558,0.200856,0.068765,0.053468
sgpcmbeC1.c1,2001,06 9:30:00,22 , 0.02309,0.267479,0.077374,0.067028
sgpcmbeC1.c1,2001,0610:30:00,21 ,0.024886,0.138493, 0.06696,0.030687
sgpcmbeC1.c1,2001,0611:30:00,21 ,0.022479, 0.12897,0.059382,  0.0258
sgpcmbeC1.c1,2001,0612:30:00,21 ,0.030745,0.179354,0.076604,0.039009
sgpcmbeC1.c1,2001,0613:30:00,21 ,0.038494,0.136916,0.080142, 0.03008
sgpcmbeC1.c1,2001,0614:30:00,22 ,0.026695, 0.14386,0.068539,0.029423
sgpcmbeC1.c1,2001,0615:30:00,22 ,0.031107,0.140788,0.070789,0.027053
sgpcmbeC1.c1,2001,0616:30:00,21 ,0.026215,0.150445, 0.06827,0.030135
sgpcmbeC1.c1,2001,0617:30:00,21 ,0.019127,0.162358,0.069925,0.043008
sgpcmbeC1.c1,2001,0618:30:00,21 ,0.021347,0.126217,0.064256,0.029868
sgpcmbeC1.c1,2001,0619:30:00,21 ,0.027161,0.186224,0.066679,0.044133
sgpcmbeC1.c1,2001,0620:30:00,21 ,0.023632,0.171017,0.068239,0.043019
sgpcmbeC1.c1,2001,0621:30:00,19 ,0.020705,0.241619,0.091959,0.064056
sgpcmbeC1.c1,2001,0622:30:00,19 , 0.02395,0.275734,0.082584,0.061707
sgpcmbeC1.c1,2001,0623:30:00,18 ,0.023911, 0.62046,0.101289,0.135199