datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,29 ,0.768764,4.225724,1.883529,0.977485
sgpcmbeC1.c1,1999,08 1:30:00,29 ,0.740932,5.834487,2.028526,1.374397
sgpcmbeC1.c1,1999,08 2:30:00,30 ,0.343229,10.00655,2.045483,  1.8847
sgpcmbeC1.c1,1999,08 3:30:00,30 ,0.272373,4.542298,1.614164, 0.88902
sgpcmbeC1.c1,1999,08 4:30:00,30 ,0.347288,6.707753,1.753794, 1.41307
sgpcmbeC1.c1,1999,08 5:30:00,30 ,0.562067,4.423324,1.382878,0.782983
sgpcmbeC1.c1,1999,08 6:30:00,30 ,0.514467,9.287248,3.982345,2.185199
sgpcmbeC1.c1,1999,08 7:30:00,30 ,1.100746,12.44862,5.956673,3.640234
sgpcmbeC1.c1,1999,08 8:30:00,29 ,1.413405,10.29103,6.385043,2.305638
sgpcmbeC1.c1,1999,08 9:30:00,30 ,1.680085, 12.4704,6.560818,2.314699
sgpcmbeC1.c1,1999,0810:30:00,30 ,2.430334, 12.8912,6.311179, 1.84111
sgpcmbeC1.c1,1999,0811:30:00,30 ,3.618967,11.93674,6.091048,2.383836
sgpcmbeC1.c1,1999,0812:30:00,30 , 2.30533,16.81267,  5.3949,3.354311
sgpcmbeC1.c1,1999,0813:30:00,30 ,1.880242,12.95694,4.968636,3.289963
sgpcmbeC1.c1,1999,0814:30:00,30 ,1.310631, 13.9781, 4.58659,3.502313
sgpcmbeC1.c1,1999,0815:30:00,30 ,1.748492,12.40997,5.095426,2.805228
sgpcmbeC1.c1,1999,0816:30:00,30 ,1.376109, 6.27601,3.957029, 1.24596
sgpcmbeC1.c1,1999,0817:30:00,30 ,1.816107,  7.3093,4.491973,1.232439
sgpcmbeC1.c1,1999,0818:30:00,30 ,0.715288,13.04045,5.647126,2.638895
sgpcmbeC1.c1,1999,0819:30:00,29 ,1.131319,10.42533,5.430752,2.173976
sgpcmbeC1.c1,1999,0820:30:00,29 , 0.66608,18.32801,3.027122, 3.19651
sgpcmbeC1.c1,1999,0821:30:00,29 ,0.320093,6.597088,2.612251,1.537792
sgpcmbeC1.c1,1999,0822:30:00,29 ,0.593509,6.119187,2.147644,1.095645
sgpcmbeC1.c1,1999,0823:30:00,29 , 0.59482,3.810463,1.848682,0.916715