datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,23 ,0.013095,0.339216,0.069773,0.075884
sgpcmbeC1.c1,2000,05 1:30:00,23 ,0.012189,0.277013,0.049701,0.053799
sgpcmbeC1.c1,2000,05 2:30:00,23 ,0.015547,0.247157,0.061966, 0.06366
sgpcmbeC1.c1,2000,05 3:30:00,22 ,0.008135,0.120301,0.038876,0.028121
sgpcmbeC1.c1,2000,05 4:30:00,20 ,0.014832,0.160863,0.049187, 0.03747
sgpcmbeC1.c1,2000,05 5:30:00,19 ,0.017661,0.134554,0.052943, 0.03232
sgpcmbeC1.c1,2000,05 6:30:00,19 ,0.017739,0.134369,0.056817,0.036444
sgpcmbeC1.c1,2000,05 7:30:00,22 ,0.013372,0.095376,0.038293,0.020565
sgpcmbeC1.c1,2000,05 8:30:00,22 ,0.013816, 0.07258,0.032507,0.015363
sgpcmbeC1.c1,2000,05 9:30:00,24 ,0.016241,0.209011,0.048252,0.039626
sgpcmbeC1.c1,2000,0510:30:00,24 ,0.013995,0.178299,0.055892,0.050548
sgpcmbeC1.c1,2000,0511:30:00,24 ,0.021123,0.230562,0.057369,0.044289
sgpcmbeC1.c1,2000,0512:30:00,24 ,0.017044,0.136001,0.058456,0.032952
sgpcmbeC1.c1,2000,0513:30:00,24 ,0.021271,0.246895,0.067121,0.054843
sgpcmbeC1.c1,2000,0514:30:00,24 ,0.014423,0.147121,0.059106,0.030548
sgpcmbeC1.c1,2000,0515:30:00,24 ,0.020146,0.117408,0.057336,0.026294
sgpcmbeC1.c1,2000,0516:30:00,24 ,0.017246,0.154282,0.055165, 0.03525
sgpcmbeC1.c1,2000,0517:30:00,24 ,0.017997,0.250731,0.066031,0.054694
sgpcmbeC1.c1,2000,0518:30:00,24 ,0.019842,0.298385,0.061079, 0.06135
sgpcmbeC1.c1,2000,0519:30:00,24 ,0.012015,0.225714,0.053206,0.044262
sgpcmbeC1.c1,2000,0520:30:00,24 ,0.014721, 0.21791,0.066739,0.059545
sgpcmbeC1.c1,2000,0521:30:00,24 ,0.015279,0.142114,0.048837,0.035592
sgpcmbeC1.c1,2000,0522:30:00,23 ,0.013611,0.430995,0.064443, 0.08901
sgpcmbeC1.c1,2000,0523:30:00,23 ,0.012249,0.224155,  0.0501,0.048199