datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,07 0:30:00,24 ,0.021725,0.113687,0.056219,0.025417
sgpcmbeC1.c1,1998,07 1:30:00,24 ,0.020363, 0.20631,0.057549,  0.0416
sgpcmbeC1.c1,1998,07 2:30:00,23 ,0.027476,0.113551,0.051174,0.025396
sgpcmbeC1.c1,1998,07 3:30:00,23 ,0.023255,0.190336,0.063544,0.044186
sgpcmbeC1.c1,1998,07 4:30:00,24 ,0.020883,0.209114,0.063232,0.041678
sgpcmbeC1.c1,1998,07 5:30:00,22 ,0.015632,0.225132,0.069357,0.053526
sgpcmbeC1.c1,1998,07 6:30:00,22 ,0.023523,0.421013,0.081761,0.081568
sgpcmbeC1.c1,1998,07 7:30:00,22 ,0.021083,0.098624,0.054007,0.022667
sgpcmbeC1.c1,1998,07 8:30:00,25 , 0.01909,0.112191,0.053358,0.026914
sgpcmbeC1.c1,1998,07 9:30:00,26 ,0.020913,0.166108,0.053322,0.038001
sgpcmbeC1.c1,1998,0710:30:00,26 ,0.030587,0.140067, 0.06243,0.032508
sgpcmbeC1.c1,1998,0711:30:00,26 ,0.022023,0.258196,0.066323,0.045189
sgpcmbeC1.c1,1998,0712:30:00,27 ,0.023051,0.161066,0.061205,0.032455
sgpcmbeC1.c1,1998,0713:30:00,27 ,0.028397,0.189335,0.078201,0.036169
sgpcmbeC1.c1,1998,0714:30:00,27 ,0.023066,0.180199,0.077745,0.034267
sgpcmbeC1.c1,1998,0715:30:00,27 ,0.032024,0.186976,0.071758,0.035502
sgpcmbeC1.c1,1998,0716:30:00,27 ,0.026456,0.195452,0.075811,0.041596
sgpcmbeC1.c1,1998,0717:30:00,26 ,0.031754,0.234905,0.076246,0.050794
sgpcmbeC1.c1,1998,0718:30:00,26 ,0.022558,0.161385,0.061779, 0.03281
sgpcmbeC1.c1,1998,0719:30:00,26 ,0.026025,0.157754,0.052198,0.028328
sgpcmbeC1.c1,1998,0720:30:00,26 ,0.020288,0.077368, 0.04679,0.017599
sgpcmbeC1.c1,1998,0721:30:00,26 ,0.018787,0.145318,0.049066,0.028313
sgpcmbeC1.c1,1998,0722:30:00,25 ,0.020823,0.122888,0.047833,0.027391
sgpcmbeC1.c1,1998,0723:30:00,25 ,0.017006,0.136877,0.051464,0.030148