datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,28 , 0.59402,2.239357,1.432568,0.482472
sgpcmbeC1.c1,1998,11 1:30:00,28 ,0.571811,4.237769,1.509968,0.709273
sgpcmbeC1.c1,1998,11 2:30:00,29 ,0.596031,3.974976,1.543044,0.668122
sgpcmbeC1.c1,1998,11 3:30:00,28 ,0.626787,4.405422,1.566527,0.743678
sgpcmbeC1.c1,1998,11 4:30:00,27 ,0.645682,2.358187,1.483544,0.533529
sgpcmbeC1.c1,1998,11 5:30:00,25 ,0.674327,2.341346,1.449612,0.549633
sgpcmbeC1.c1,1998,11 6:30:00,26 ,0.712336,2.918029, 1.52842,0.644845
sgpcmbeC1.c1,1998,11 7:30:00,26 ,0.662959,2.564249,  1.4934,0.603829
sgpcmbeC1.c1,1998,11 8:30:00,27 ,0.622106,4.426359,  1.5867,0.813714
sgpcmbeC1.c1,1998,11 9:30:00,28 ,0.621543,2.692526, 1.48218,0.583871
sgpcmbeC1.c1,1998,1110:30:00,30 ,0.578999,3.685093,1.544951,0.706704
sgpcmbeC1.c1,1998,1111:30:00,30 ,0.577314,3.427874,1.547721,0.685913
sgpcmbeC1.c1,1998,1112:30:00,30 ,0.525707,3.738972,1.557587,0.736474
sgpcmbeC1.c1,1998,1113:30:00,30 ,0.519422,3.899734,1.545491,0.739287
sgpcmbeC1.c1,1998,1114:30:00,30 ,0.531656,3.301495,1.534383,0.692539
sgpcmbeC1.c1,1998,1115:30:00,29 ,0.565068,3.481174,1.495501,0.660883
sgpcmbeC1.c1,1998,1116:30:00,30 ,0.564206,3.897665,1.513658, 0.67662
sgpcmbeC1.c1,1998,1117:30:00,30 ,0.475698,4.019776,1.566849,0.735437
sgpcmbeC1.c1,1998,1118:30:00,29 ,0.502489,2.819283,1.476478,0.530508
sgpcmbeC1.c1,1998,1119:30:00,29 ,0.551386,2.537525,1.468372, 0.52206
sgpcmbeC1.c1,1998,1120:30:00,28 ,0.602096,2.374637, 1.44056,0.503446
sgpcmbeC1.c1,1998,1121:30:00,29 ,0.631098,2.423257,1.471754,0.525223
sgpcmbeC1.c1,1998,1122:30:00,29 ,0.632108,2.263016,1.445944,0.500838
sgpcmbeC1.c1,1998,1123:30:00,29 ,0.612289,2.212954,1.423799,0.486348