datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,11 0:30:00,27 , 0.48335,2.310421,1.197476,0.485212
sgpcmbeC1.c1,2002,11 1:30:00,27 ,0.501767,2.620075,1.196263,0.500174
sgpcmbeC1.c1,2002,11 2:30:00,27 , 0.49586,2.427783,1.191786, 0.46495
sgpcmbeC1.c1,2002,11 3:30:00,27 ,0.473914, 3.34155,1.230085,0.562301
sgpcmbeC1.c1,2002,11 4:30:00,27 ,0.456484,3.090697,1.221926,0.543103
sgpcmbeC1.c1,2002,11 5:30:00,27 ,0.442463,3.458043,1.230187,0.603613
sgpcmbeC1.c1,2002,11 6:30:00,27 ,0.437384, 4.08567,1.249151,0.697644
sgpcmbeC1.c1,2002,11 7:30:00,27 ,0.422866,2.935318,1.198389,0.531524
sgpcmbeC1.c1,2002,11 8:30:00,27 ,0.430423,2.931628, 1.20073,0.528221
sgpcmbeC1.c1,2002,11 9:30:00,30 ,0.387475,2.884115,1.188939,0.528587
sgpcmbeC1.c1,2002,1110:30:00,30 ,0.399587, 2.88821,1.210925,0.538781
sgpcmbeC1.c1,2002,1111:30:00,30 ,0.411965,  2.9527,1.212507,0.536524
sgpcmbeC1.c1,2002,1112:30:00,30 ,0.438944,2.710534,1.209106,0.505474
sgpcmbeC1.c1,2002,1113:30:00,29 ,0.444649,2.855446,1.204116,0.527559
sgpcmbeC1.c1,2002,1114:30:00,28 ,0.470261,2.895811,1.195761,0.530866
sgpcmbeC1.c1,2002,1115:30:00,27 ,0.503125,2.735124,1.181181,0.497265
sgpcmbeC1.c1,2002,1116:30:00,27 ,0.524308,2.828852,1.166691,0.485694
sgpcmbeC1.c1,2002,1117:30:00,27 ,0.533275,2.724952, 1.14986,0.459384
sgpcmbeC1.c1,2002,1118:30:00,27 ,0.542932,2.461979,1.141983,0.432703
sgpcmbeC1.c1,2002,1119:30:00,27 , 0.54046,2.405763,1.135515,0.435655
sgpcmbeC1.c1,2002,1120:30:00,27 ,0.532014,2.275109,1.135937,0.451115
sgpcmbeC1.c1,2002,1121:30:00,27 ,0.531805,2.222102,1.161182,0.470838
sgpcmbeC1.c1,2002,1122:30:00,27 ,0.512677,2.219235,1.178611, 0.47888
sgpcmbeC1.c1,2002,1123:30:00,27 ,0.493239,2.252983,1.178786,0.479593