datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,10 0:30:00,31 ,0.514638,21.11817,   5.801,5.472159
sgpcmbeC1.c1,2004,10 1:30:00,31 , 0.56456,33.16036,4.127775,6.166337
sgpcmbeC1.c1,2004,10 2:30:00,31 ,0.629163,24.11607,4.335631,5.325987
sgpcmbeC1.c1,2004,10 3:30:00,31 ,0.841016, 23.1599,3.657297,4.713593
sgpcmbeC1.c1,2004,10 4:30:00,31 ,0.516403,15.45593,3.853735,4.398027
sgpcmbeC1.c1,2004,10 5:30:00,31 ,0.505806,32.83998, 5.43543, 6.84518
sgpcmbeC1.c1,2004,10 6:30:00,31 ,0.451728,24.06004,5.169332,6.206519
sgpcmbeC1.c1,2004,10 7:30:00,31 ,0.728779,24.94668,5.232598,5.754934
sgpcmbeC1.c1,2004,10 8:30:00,31 ,0.803088,27.13906,5.343983,5.875208
sgpcmbeC1.c1,2004,10 9:30:00,31 , 0.79835,25.14962, 5.56648,6.193215
sgpcmbeC1.c1,2004,1010:30:00,31 ,0.829372,22.70015,5.014697,4.991803
sgpcmbeC1.c1,2004,1011:30:00,31 ,  0.8277,23.49999,4.530484,4.996264
sgpcmbeC1.c1,2004,1012:30:00,31 ,0.819962,15.26901, 3.77974,3.315391
sgpcmbeC1.c1,2004,1013:30:00,31 ,0.848328, 14.5517,4.571994,3.179658
sgpcmbeC1.c1,2004,1014:30:00,31 ,0.839946,20.57709,7.250646,6.049744
sgpcmbeC1.c1,2004,1015:30:00,31 ,0.676336,13.17553,4.720897,3.880633
sgpcmbeC1.c1,2004,1016:30:00,31 ,0.772796,  14.985,3.798997,3.537356
sgpcmbeC1.c1,2004,1017:30:00,31 , 0.59467, 9.75943,3.528319,2.811902
sgpcmbeC1.c1,2004,1018:30:00,31 ,0.712486,14.41294,4.956381,4.508893
sgpcmbeC1.c1,2004,1019:30:00,31 ,0.691686,9.894426,2.907262,2.634147
sgpcmbeC1.c1,2004,1020:30:00,31 ,0.694881,17.61217,3.659793,4.426453
sgpcmbeC1.c1,2004,1021:30:00,31 ,0.659308,34.22405,5.246932,6.970433
sgpcmbeC1.c1,2004,1022:30:00,31 ,0.602379,22.86707,4.744451,6.064768
sgpcmbeC1.c1,2004,1023:30:00,31 ,0.632197,24.59332,5.532349,6.407921