datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 5:30:00,31 ,       0, 9.36982,3.184214, 2.74875
sgpcmbeC1.c1,1999,07 6:30:00,31 ,       0,52.39126,28.53498,17.83051
sgpcmbeC1.c1,1999,07 7:30:00,31 ,0.078533,103.6881,46.98677,25.17392
sgpcmbeC1.c1,1999,07 8:30:00,31 ,0.191775,175.5938,55.92244,31.53438
sgpcmbeC1.c1,1999,07 9:30:00,31 ,0.536756,270.0567,64.86435,54.38691
sgpcmbeC1.c1,1999,0710:30:00,31 ,22.89852,289.3279,66.23872,65.27888
sgpcmbeC1.c1,1999,0711:30:00,31 ,11.42735,323.7004,71.10442,88.05587
sgpcmbeC1.c1,1999,0712:30:00,31 ,5.023363,368.4771,112.6719,108.5789
sgpcmbeC1.c1,1999,0713:30:00,31 ,8.825682,361.2116,140.5538, 112.596
sgpcmbeC1.c1,1999,0714:30:00,31 ,20.66396,312.8313,143.5161,108.2426
sgpcmbeC1.c1,1999,0715:30:00,31 , 36.2666, 263.568,106.9639,65.77794
sgpcmbeC1.c1,1999,0716:30:00,31 ,41.17247,219.3146,87.38794,48.30469
sgpcmbeC1.c1,1999,0717:30:00,31 ,39.19168,148.1103,59.91391,20.31999
sgpcmbeC1.c1,1999,0718:30:00,31 ,0.329146,78.69409,40.40146,13.46071
sgpcmbeC1.c1,1999,0719:30:00,31 ,       0,17.61514,8.638847,4.788824
sgpcmbeC1.c1,1999,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0723:30:00,31 ,       0,       0,       0,       0