datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,0.317716,11.17122,2.737807,3.078486
sgpcmbeC1.c1,2006,04 1:30:00,30 ,0.421219,8.118763,2.205313,1.732108
sgpcmbeC1.c1,2006,04 2:30:00,30 , 0.42988,13.80522,2.315126,  2.7768
sgpcmbeC1.c1,2006,04 3:30:00,30 ,0.392285,6.393578,1.963314,1.544701
sgpcmbeC1.c1,2006,04 4:30:00,30 ,0.553626,5.293317,1.747076,1.232982
sgpcmbeC1.c1,2006,04 5:30:00,30 ,0.480403,39.77262,3.705953,7.291967
sgpcmbeC1.c1,2006,04 6:30:00,30 ,0.532041,20.35543,3.368338,4.058189
sgpcmbeC1.c1,2006,04 7:30:00,30 ,0.523361,12.78137,2.992741,2.721262
sgpcmbeC1.c1,2006,04 8:30:00,30 ,0.710365,13.32128,4.039231,3.479998
sgpcmbeC1.c1,2006,04 9:30:00,30 ,0.795828,21.22393,4.808827,4.691793
sgpcmbeC1.c1,2006,0410:30:00,30 ,0.711316,22.22048,4.825243,4.680825
sgpcmbeC1.c1,2006,0411:30:00,30 ,0.680225,19.03129,4.084803,4.359954
sgpcmbeC1.c1,2006,0412:30:00,30 ,0.827602,7.897926,3.201665,1.617798
sgpcmbeC1.c1,2006,0413:30:00,30 ,0.867489,16.25551, 3.99992,3.898443
sgpcmbeC1.c1,2006,0414:30:00,30 ,0.675966,10.68319,2.854035,2.612659
sgpcmbeC1.c1,2006,0415:30:00,30 ,0.530789,7.489135,2.438539,2.109004
sgpcmbeC1.c1,2006,0416:30:00,30 ,0.584125,15.03854,2.903809,3.168461
sgpcmbeC1.c1,2006,0417:30:00,30 , 0.65021,18.07127,4.033602,  4.8038
sgpcmbeC1.c1,2006,0418:30:00,30 ,0.590077, 11.2662,2.788218, 2.43246
sgpcmbeC1.c1,2006,0419:30:00,30 , 0.43637,12.88848,3.159307,3.095412
sgpcmbeC1.c1,2006,0420:30:00,30 ,0.411315,14.12488,2.977835,3.405693
sgpcmbeC1.c1,2006,0421:30:00,30 ,0.447499,12.96958,3.336933,3.021231
sgpcmbeC1.c1,2006,0422:30:00,30 ,0.610854,9.382253,2.680734,2.526827
sgpcmbeC1.c1,2006,0423:30:00,30 ,0.364359,20.69301,3.733061,5.549332