datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,1999,11 0:30:00,29 ,0.313671,2.902452,1.287795,0.525653 sgpcmbeC1.c1,1999,11 1:30:00,29 ,0.365978,2.809585,1.283939,0.505179 sgpcmbeC1.c1,1999,11 2:30:00,29 ,0.416656,2.721081,1.276191,0.492935 sgpcmbeC1.c1,1999,11 3:30:00,29 ,0.402444,2.651897,1.264285,0.495622 sgpcmbeC1.c1,1999,11 4:30:00,29 ,0.302421, 2.63377,1.250966,0.510038 sgpcmbeC1.c1,1999,11 5:30:00,29 ,0.187998,2.598855,1.253638,0.531994 sgpcmbeC1.c1,1999,11 6:30:00,28 ,0.178215, 2.6617,1.267836,0.564266 sgpcmbeC1.c1,1999,11 7:30:00,28 ,0.199422,2.710022,1.268758,0.587929 sgpcmbeC1.c1,1999,11 8:30:00,29 ,0.262198,2.718354,1.266465,0.568522 sgpcmbeC1.c1,1999,11 9:30:00,29 ,0.304843,2.756695,1.275928,0.579594 sgpcmbeC1.c1,1999,1110:30:00,29 ,0.331417,2.862473, 1.2864,0.569432 sgpcmbeC1.c1,1999,1111:30:00,28 , 0.37201,3.058257,1.319332,0.586299 sgpcmbeC1.c1,1999,1112:30:00,28 ,0.390359,3.705948,1.357004,0.654041 sgpcmbeC1.c1,1999,1113:30:00,28 ,0.424785,3.920879,1.361215,0.677475 sgpcmbeC1.c1,1999,1114:30:00,25 , 0.42578,2.142632,1.223259,0.430783 sgpcmbeC1.c1,1999,1115:30:00,24 ,0.393182, 3.25323, 1.29512,0.594723 sgpcmbeC1.c1,1999,1116:30:00,22 ,0.352407,2.131319,1.216047,0.434983 sgpcmbeC1.c1,1999,1117:30:00,17 ,0.272072,2.136064,1.184716,0.492679 sgpcmbeC1.c1,1999,1118:30:00,27 ,0.202144,2.296606,1.252512,0.444658 sgpcmbeC1.c1,1999,1119:30:00,28 ,0.212089,2.511039,1.277626,0.495386 sgpcmbeC1.c1,1999,1120:30:00,29 ,0.191644,3.335786,1.354248,0.636759 sgpcmbeC1.c1,1999,1121:30:00,28 ,0.195374,2.606384,1.307989,0.532846 sgpcmbeC1.c1,1999,1122:30:00,28 ,0.254035, 2.7405,1.267524,0.491471 sgpcmbeC1.c1,1999,1123:30:00,29 ,0.298201,2.353051, 1.23504, 0.42685