datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,24 ,       0,42.95047,5.588619,12.47285
sgpcmbeC1.c1,2001,07 1:30:00,24 ,       0,71.24724,9.081594,19.65576
sgpcmbeC1.c1,2001,07 2:30:00,24 ,       0, 173.377,17.83046,42.07344
sgpcmbeC1.c1,2001,07 3:30:00,24 ,       0,176.8938,16.41189,39.34861
sgpcmbeC1.c1,2001,07 4:30:00,24 ,       0,112.7425,15.65693,29.92371
sgpcmbeC1.c1,2001,07 5:30:00,24 ,       0,90.71803,8.551358,19.04512
sgpcmbeC1.c1,2001,07 6:30:00,23 ,       0,158.5126, 13.5315,34.57682
sgpcmbeC1.c1,2001,07 7:30:00,24 ,       0,86.28458,6.982809, 18.1448
sgpcmbeC1.c1,2001,07 8:30:00,26 ,       0,109.1075,12.25165,27.16792
sgpcmbeC1.c1,2001,07 9:30:00,26 ,       0,100.6068,13.98735,28.36835
sgpcmbeC1.c1,2001,0710:30:00,26 ,       0,83.39435, 9.16745,21.53859
sgpcmbeC1.c1,2001,0711:30:00,26 ,       0,149.6685, 8.10934,29.11865
sgpcmbeC1.c1,2001,0712:30:00,26 ,       0,133.8164, 12.6651,29.38245
sgpcmbeC1.c1,2001,0713:30:00,26 ,       0,116.2268,13.26359,24.89064
sgpcmbeC1.c1,2001,0714:30:00,25 ,       0,77.67999, 10.3681,19.53784
sgpcmbeC1.c1,2001,0715:30:00,25 ,       0,43.69056,7.109981,12.83445
sgpcmbeC1.c1,2001,0716:30:00,25 ,       0, 42.1136,4.169651,9.371065
sgpcmbeC1.c1,2001,0717:30:00,25 ,       0,48.43727,4.410632,11.34026
sgpcmbeC1.c1,2001,0718:30:00,25 ,       0,170.6766,8.399277,34.00517
sgpcmbeC1.c1,2001,0719:30:00,25 ,       0,103.1262,4.753786,20.51325
sgpcmbeC1.c1,2001,0720:30:00,25 ,       0,170.2325,8.363461,33.94857
sgpcmbeC1.c1,2001,0721:30:00,25 ,       0,67.05995,4.163006, 13.6642
sgpcmbeC1.c1,2001,0722:30:00,25 ,       0,118.3978,6.631964,23.55713
sgpcmbeC1.c1,2001,0723:30:00,25 ,       0,38.78906,3.711221,9.169498