datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,28 ,0.016031,0.165632,0.047419,0.034916
sgpcmbeC1.c1,2006,06 1:30:00,28 ,0.017769, 0.15227,0.050539, 0.03407
sgpcmbeC1.c1,2006,06 2:30:00,29 ,0.016056,0.382238,0.063714,0.073267
sgpcmbeC1.c1,2006,06 3:30:00,29 ,0.016215,0.155419,0.051364,0.038739
sgpcmbeC1.c1,2006,06 4:30:00,28 ,0.017953,0.148544,0.048166,0.030728
sgpcmbeC1.c1,2006,06 5:30:00,28 ,0.019682,0.333279,0.067046,0.064468
sgpcmbeC1.c1,2006,06 6:30:00,26 ,0.017343,0.094506,0.046907,0.022601
sgpcmbeC1.c1,2006,06 7:30:00,26 ,0.023784,0.184584,0.056336,0.037716
sgpcmbeC1.c1,2006,06 8:30:00,29 ,0.002718,0.227404,0.052871,0.043239
sgpcmbeC1.c1,2006,06 9:30:00,30 ,0.024623,0.106826,0.052589,0.021519
sgpcmbeC1.c1,2006,0610:30:00,30 ,0.025995,0.110702,0.055342,0.021457
sgpcmbeC1.c1,2006,0611:30:00,30 ,0.032811,0.209695,0.065762,0.037625
sgpcmbeC1.c1,2006,0612:30:00,30 , 0.03104,0.147122,0.074388,0.026261
sgpcmbeC1.c1,2006,0613:30:00,30 ,0.034626, 0.27133,0.084492,0.051024
sgpcmbeC1.c1,2006,0614:30:00,30 ,0.026322, 0.23586,0.077213,0.042029
sgpcmbeC1.c1,2006,0615:30:00,30 ,0.027065,0.187387,0.074117,0.031828
sgpcmbeC1.c1,2006,0616:30:00,30 ,0.025578,0.117106,0.064905,0.025845
sgpcmbeC1.c1,2006,0617:30:00,30 ,0.023712,  0.2056, 0.07137,0.046743
sgpcmbeC1.c1,2006,0618:30:00,30 ,0.022316,0.100353,0.050446,0.018618
sgpcmbeC1.c1,2006,0619:30:00,30 ,0.018979,0.180547,0.053973,0.039487
sgpcmbeC1.c1,2006,0620:30:00,30 ,0.021652,0.149501,0.054246,0.032787
sgpcmbeC1.c1,2006,0621:30:00,30 ,0.021206, 0.18055,0.056439, 0.04061
sgpcmbeC1.c1,2006,0622:30:00,29 , 0.02312,0.131389,0.055792,0.029959
sgpcmbeC1.c1,2006,0623:30:00,28 , 0.02307,0.151163,0.047695,0.029925