datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,11 0:30:00,2 ,0.179469,1.780086,0.979778,1.131807
sgpcmbeC1.c1,1997,11 1:30:00,2 ,0.260832, 1.55361,0.907221,0.914132
sgpcmbeC1.c1,1997,11 2:30:00,2 ,0.178552,1.501854,0.840203,0.935716
sgpcmbeC1.c1,1997,11 3:30:00,2 ,       0,1.633967,0.816984,1.155389
sgpcmbeC1.c1,1997,11 4:30:00,2 ,0.045373,2.003533,1.024453,1.384629
sgpcmbeC1.c1,1997,11 5:30:00,2 ,0.347076,1.555298,0.951187,0.854342
sgpcmbeC1.c1,1997,11 6:30:00,2 ,1.732232,2.601115,2.166674,0.614393
sgpcmbeC1.c1,1997,11 7:30:00,2 , 1.70883,9.025606,5.367218,5.173742
sgpcmbeC1.c1,1997,11 8:30:00,2 ,1.382522,11.41724,6.399881,7.095617
sgpcmbeC1.c1,1997,11 9:30:00,2 ,1.662269,10.27964,5.970955,6.093401
sgpcmbeC1.c1,1997,1110:30:00,2 ,1.318599,6.983294,4.150947,4.005544
sgpcmbeC1.c1,1997,1111:30:00,2 ,       0, 1.41714, 0.70857,1.002069
sgpcmbeC1.c1,1997,1112:30:00,2 ,1.652648,1.781407,1.717028,0.091046
sgpcmbeC1.c1,1997,1113:30:00,2 ,1.765896,7.157969,4.461933,3.812771
sgpcmbeC1.c1,1997,1114:30:00,2 ,1.793006,20.85138,11.32219,13.47631
sgpcmbeC1.c1,1997,1115:30:00,2 ,2.032508,15.94513,8.988819,9.837709
sgpcmbeC1.c1,1997,1116:30:00,2 ,1.753483,16.81953,9.286507, 10.6533
sgpcmbeC1.c1,1997,1117:30:00,2 ,5.394184,14.72664,10.06041,6.599043
sgpcmbeC1.c1,1997,1118:30:00,1 ,1.958088,1.958088,1.958088,       .
sgpcmbeC1.c1,1997,1119:30:00,1 ,1.590151,1.590151,1.590151,       .
sgpcmbeC1.c1,1997,1120:30:00,1 ,1.663992,1.663992,1.663992,       .
sgpcmbeC1.c1,1997,1121:30:00,1 ,1.578722,1.578722,1.578722,       .
sgpcmbeC1.c1,1997,1122:30:00,2 ,0.385626,1.560664,0.973145,0.830877
sgpcmbeC1.c1,1997,1123:30:00,2 ,0.403165,1.394919,0.899042,0.701276