datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,06 0:30:00,30 ,       0,0.222883,0.007429,0.040693
sgpcmbeC1.c1,1997,06 1:30:00,30 ,       0, 1.32758,0.044253,0.242382
sgpcmbeC1.c1,1997,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,06 4:30:00,30 ,       0,0.050272,0.001676,0.009178
sgpcmbeC1.c1,1997,06 5:30:00,30 ,0.698624,49.58815,21.06711,10.56391
sgpcmbeC1.c1,1997,06 6:30:00,30 ,16.08753,192.2374,125.6471,56.20688
sgpcmbeC1.c1,1997,06 7:30:00,30 , 44.7562,409.4887,265.2588,118.6482
sgpcmbeC1.c1,1997,06 8:30:00,30 ,69.19435,595.3539,411.6861,184.6184
sgpcmbeC1.c1,1997,06 9:30:00,30 ,112.0004,772.6937,545.0803,230.4331
sgpcmbeC1.c1,1997,0610:30:00,30 ,40.19033,894.7304,640.3859,260.0368
sgpcmbeC1.c1,1997,0611:30:00,30 ,110.6673,1015.126,752.8315,269.4321
sgpcmbeC1.c1,1997,0612:30:00,30 ,210.1725, 1025.54,783.3967,234.7417
sgpcmbeC1.c1,1997,0613:30:00,30 ,145.0676,1009.516, 746.243,212.8036
sgpcmbeC1.c1,1997,0614:30:00,30 ,232.5809,894.0522,721.7162,166.1913
sgpcmbeC1.c1,1997,0615:30:00,30 , 198.647,772.8232,612.8401,146.8264
sgpcmbeC1.c1,1997,0616:30:00,30 ,106.0063,643.1067,448.6756,143.4461
sgpcmbeC1.c1,1997,0617:30:00,30 ,7.300773,385.5632,275.5672,105.8061
sgpcmbeC1.c1,1997,0618:30:00,30 ,8.224277,200.7278,123.2264,56.55837
sgpcmbeC1.c1,1997,0619:30:00,30 , 0.52928,39.57076,23.65382,10.94066
sgpcmbeC1.c1,1997,0620:30:00,30 ,       0, 0.05886,0.003711,0.014149
sgpcmbeC1.c1,1997,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,0623:30:00,30 ,       0,0.687899,0.029662,0.129667