datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,19 ,0.751272,4.006818,2.505183,  0.7762
sgpcmbeC1.c1,2000,05 1:30:00,19 ,0.760383, 4.09772, 2.53942,0.896614
sgpcmbeC1.c1,2000,05 2:30:00,19 ,0.798116,4.135942,2.488894,0.856341
sgpcmbeC1.c1,2000,05 3:30:00,19 ,0.861165,4.186451, 2.42165,0.784196
sgpcmbeC1.c1,2000,05 4:30:00,19 ,0.804482,4.164227, 2.44661, 0.79562
sgpcmbeC1.c1,2000,05 5:30:00,19 ,0.788438,4.457369,2.457215,0.831486
sgpcmbeC1.c1,2000,05 6:30:00,19 ,0.839927,5.411775,2.485129,0.972277
sgpcmbeC1.c1,2000,05 7:30:00,19 , 0.88924,4.469037,2.445735,0.826496
sgpcmbeC1.c1,2000,05 8:30:00,19 ,0.900218,4.165819,2.414322,0.781082
sgpcmbeC1.c1,2000,05 9:30:00,19 ,0.872659,4.068174,  2.3852,0.756995
sgpcmbeC1.c1,2000,0510:30:00,19 ,0.898157,3.687282,2.373598,0.690006
sgpcmbeC1.c1,2000,0511:30:00,19 ,0.903168,4.237659,2.400585,0.731665
sgpcmbeC1.c1,2000,0512:30:00,19 ,0.865139,  3.7977,2.406064,0.666998
sgpcmbeC1.c1,2000,0513:30:00,19 ,0.877232,3.248351,2.423249,0.615636
sgpcmbeC1.c1,2000,0514:30:00,19 ,0.926194,3.194522,2.433234,0.605837
sgpcmbeC1.c1,2000,0515:30:00,19 ,0.957235,3.374324,2.508969,0.637733
sgpcmbeC1.c1,2000,0516:30:00,19 ,0.964115,3.346757,2.505633,0.638892
sgpcmbeC1.c1,2000,0517:30:00,19 ,1.042695,3.673884,2.573949,0.678444
sgpcmbeC1.c1,2000,0518:30:00,20 ,1.116231, 3.29418, 2.53379,0.638336
sgpcmbeC1.c1,2000,0519:30:00,20 , 1.12948,3.355627,2.513943,0.659027
sgpcmbeC1.c1,2000,0520:30:00,20 ,0.893853,3.344781,2.491425,0.703864
sgpcmbeC1.c1,2000,0521:30:00,19 ,0.816195,3.442426,2.425959, 0.69421
sgpcmbeC1.c1,2000,0522:30:00,20 ,0.732793,3.723912,2.468453,0.715072
sgpcmbeC1.c1,2000,0523:30:00,20 ,0.736741,3.867731,2.491733,0.739684