datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,12 0:30:00,31 ,       0,2.707177, 0.29838,0.727154
sgpcmbeC1.c1,2004,12 1:30:00,31 ,       0,1.317269,0.130955,0.363835
sgpcmbeC1.c1,2004,12 2:30:00,31 ,       0,0.868008,0.055996,0.187841
sgpcmbeC1.c1,2004,12 3:30:00,31 ,       0,1.520728,0.116792,0.317147
sgpcmbeC1.c1,2004,12 4:30:00,31 ,       0,1.441851,0.100148,0.300022
sgpcmbeC1.c1,2004,12 5:30:00,31 ,       0,0.547233,0.035106,0.111615
sgpcmbeC1.c1,2004,12 6:30:00,31 ,       0,0.502921,0.025067,0.101425
sgpcmbeC1.c1,2004,12 7:30:00,31 ,1.122064, 24.1291,9.132474,5.406987
sgpcmbeC1.c1,2004,12 8:30:00,31 ,16.90689,172.1211,107.7793,40.56488
sgpcmbeC1.c1,2004,12 9:30:00,31 ,44.00291,346.7444,244.1794,79.98337
sgpcmbeC1.c1,2004,1210:30:00,31 ,40.32821,481.1486,361.4025,116.1834
sgpcmbeC1.c1,2004,1211:30:00,31 ,37.33333,561.2471,440.9311,134.3709
sgpcmbeC1.c1,2004,1212:30:00,31 ,44.42041,580.8741,461.2664,137.9673
sgpcmbeC1.c1,2004,1213:30:00,31 ,73.96659, 536.545, 444.403,125.7255
sgpcmbeC1.c1,2004,1214:30:00,31 ,12.33364,437.0061,353.1654,108.1939
sgpcmbeC1.c1,2004,1215:30:00,31 ,13.27001,288.4438,232.5553,63.54011
sgpcmbeC1.c1,2004,1216:30:00,31 ,18.36463,119.0682,90.45712,23.00197
sgpcmbeC1.c1,2004,1217:30:00,31 ,3.535019,10.09327,6.368111,1.733809
sgpcmbeC1.c1,2004,1218:30:00,31 ,       0,2.358504,0.670536,0.712322
sgpcmbeC1.c1,2004,1219:30:00,31 ,       0,1.227421,0.362111,0.446535
sgpcmbeC1.c1,2004,1220:30:00,31 ,       0,2.185269,0.498391,0.596611
sgpcmbeC1.c1,2004,1221:30:00,31 ,       0,1.524437,0.244101,0.410831
sgpcmbeC1.c1,2004,1222:30:00,31 ,       0,1.236521,0.209306,0.351562
sgpcmbeC1.c1,2004,1223:30:00,31 ,       0,1.599797,0.149956,0.375224