datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,0.578754,3.702831,1.800214,0.821987
sgpcmbeC1.c1,2006,04 1:30:00,30 ,0.575636,3.900986,1.816214,0.837586
sgpcmbeC1.c1,2006,04 2:30:00,30 ,0.572283,3.918995,1.821791,0.821043
sgpcmbeC1.c1,2006,04 3:30:00,30 ,0.632371,3.874073,1.813519,0.817448
sgpcmbeC1.c1,2006,04 4:30:00,30 ,0.557742,3.805801,1.828328,0.850813
sgpcmbeC1.c1,2006,04 5:30:00,29 ,0.579439,3.904972,1.841154,0.924545
sgpcmbeC1.c1,2006,04 6:30:00,29 ,0.645435,4.289242,1.852989,0.952858
sgpcmbeC1.c1,2006,04 7:30:00,29 ,0.650525,4.138055,1.845712,0.948646
sgpcmbeC1.c1,2006,04 8:30:00,29 ,0.738967,3.782476,1.786535,0.869307
sgpcmbeC1.c1,2006,04 9:30:00,29 ,  0.6855,3.903107, 1.84441,0.879382
sgpcmbeC1.c1,2006,0410:30:00,29 ,0.561336,3.835664,1.894973,0.850141
sgpcmbeC1.c1,2006,0411:30:00,29 ,0.538983,3.639462,1.895231,0.804559
sgpcmbeC1.c1,2006,0412:30:00,30 ,0.515663,3.913136,1.968329,0.880242
sgpcmbeC1.c1,2006,0413:30:00,30 ,0.481291,3.689098,1.952674,0.882121
sgpcmbeC1.c1,2006,0414:30:00,30 ,0.517826,4.019941,1.943792,0.919586
sgpcmbeC1.c1,2006,0415:30:00,30 ,0.571481,4.194133,1.941839,0.977118
sgpcmbeC1.c1,2006,0416:30:00,29 ,0.550265,4.128787,1.870538,0.933757
sgpcmbeC1.c1,2006,0417:30:00,29 ,0.587946,3.874308,1.826223,0.855681
sgpcmbeC1.c1,2006,0418:30:00,29 ,0.589424,3.429963,1.759463,0.811848
sgpcmbeC1.c1,2006,0419:30:00,29 ,0.608703,3.334351,1.766245,0.833508
sgpcmbeC1.c1,2006,0420:30:00,29 , 0.59814,3.756113,1.776261,0.856422
sgpcmbeC1.c1,2006,0421:30:00,30 ,0.582831,3.769311,1.841739,0.901987
sgpcmbeC1.c1,2006,0422:30:00,30 ,0.573898,3.340427, 1.78275,0.809525
sgpcmbeC1.c1,2006,0423:30:00,30 ,0.572432, 3.45144,1.781482,0.804231