datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,01 0:30:00,31 , 0.21496,12.54318,2.419624,2.932697
sgpcmbeC1.c1,2003,01 1:30:00,31 ,0.225969,14.74154,2.581769,3.463682
sgpcmbeC1.c1,2003,01 2:30:00,31 ,0.233226,23.55281,4.132283,6.526079
sgpcmbeC1.c1,2003,01 3:30:00,31 ,0.134158,15.96729,2.714689,3.741997
sgpcmbeC1.c1,2003,01 4:30:00,31 ,0.145207,32.99733,4.610697,7.136355
sgpcmbeC1.c1,2003,01 5:30:00,31 , 0.24206,32.88216,3.997018,6.710236
sgpcmbeC1.c1,2003,01 6:30:00,31 ,0.309284,25.69421,3.867008,6.678412
sgpcmbeC1.c1,2003,01 7:30:00,31 ,0.185594,17.67095,3.312215,5.025654
sgpcmbeC1.c1,2003,01 8:30:00,31 ,0.218682,19.02594,3.315589,4.855029
sgpcmbeC1.c1,2003,01 9:30:00,31 , 0.38035,15.85078,2.783474,3.334067
sgpcmbeC1.c1,2003,0110:30:00,31 , 0.46326, 25.2526,3.226442,4.886573
sgpcmbeC1.c1,2003,0111:30:00,31 , 0.35074,24.00993,4.043059,5.346925
sgpcmbeC1.c1,2003,0112:30:00,31 ,0.331004,34.26836,5.021233,7.708898
sgpcmbeC1.c1,2003,0113:30:00,31 ,0.283356, 28.2213,4.566074,6.806992
sgpcmbeC1.c1,2003,0114:30:00,31 ,0.327969,19.00597,3.293658,4.514424
sgpcmbeC1.c1,2003,0115:30:00,31 ,0.318562,   12.84,2.665515,3.219659
sgpcmbeC1.c1,2003,0116:30:00,31 ,0.251989,22.20864,3.410197,4.668614
sgpcmbeC1.c1,2003,0117:30:00,31 ,0.334243,13.66666,2.825861,3.465465
sgpcmbeC1.c1,2003,0118:30:00,31 ,0.248206,22.20622,2.813654,4.509709
sgpcmbeC1.c1,2003,0119:30:00,31 ,0.178974,23.79923, 3.25255,5.745807
sgpcmbeC1.c1,2003,0120:30:00,31 ,0.218373,14.20602,2.771708,3.886759
sgpcmbeC1.c1,2003,0121:30:00,31 ,0.201603,21.02303,4.149018,5.755493
sgpcmbeC1.c1,2003,0122:30:00,31 , 0.23204, 17.0885,3.617335, 4.99657
sgpcmbeC1.c1,2003,0123:30:00,31 ,0.231579,17.99836,3.190018,4.796619