datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,27 ,0.005328, 0.06497,0.020456,0.013397
sgpcmbeC1.c1,2002,01 1:30:00,25 ,0.010097,0.045934,0.018937,0.009279
sgpcmbeC1.c1,2002,01 2:30:00,25 ,0.010733,0.066686, 0.02092,0.014114
sgpcmbeC1.c1,2002,01 3:30:00,26 ,0.010268,0.214522, 0.02542,0.039121
sgpcmbeC1.c1,2002,01 4:30:00,26 ,0.011236,0.047122,0.021945,0.010301
sgpcmbeC1.c1,2002,01 5:30:00,26 ,0.010472,0.051743,0.022654, 0.01141
sgpcmbeC1.c1,2002,01 6:30:00,26 , 0.01029,0.038609,0.018475,0.008772
sgpcmbeC1.c1,2002,01 7:30:00,25 ,0.011143,0.032306,0.018004,0.006285
sgpcmbeC1.c1,2002,01 8:30:00,25 ,0.010731,0.054707,0.020527,0.010496
sgpcmbeC1.c1,2002,01 9:30:00,26 ,0.010165,0.042258,0.020048,0.009354
sgpcmbeC1.c1,2002,0110:30:00,28 ,0.011199,0.072433,0.027348,0.018355
sgpcmbeC1.c1,2002,0111:30:00,28 , 0.01055,0.109977,0.029227,0.026125
sgpcmbeC1.c1,2002,0112:30:00,28 ,0.012012,0.122975,0.027158,0.023034
sgpcmbeC1.c1,2002,0113:30:00,28 ,0.011847,0.170943,0.032901,0.035393
sgpcmbeC1.c1,2002,0114:30:00,28 ,0.011136,0.117888,0.029776, 0.02616
sgpcmbeC1.c1,2002,0115:30:00,27 ,0.012957,0.117653,0.027424,0.021728
sgpcmbeC1.c1,2002,0116:30:00,27 ,0.010762, 0.30562,0.029875,0.055898
sgpcmbeC1.c1,2002,0117:30:00,27 ,0.011266,0.184082,0.026915,0.032836
sgpcmbeC1.c1,2002,0118:30:00,28 ,0.010465,0.247627,0.027418,0.043807
sgpcmbeC1.c1,2002,0119:30:00,28 ,0.011025,0.056317,  0.0221,0.010644
sgpcmbeC1.c1,2002,0120:30:00,28 ,0.010802,0.060455,0.020436,0.012347
sgpcmbeC1.c1,2002,0121:30:00,28 ,0.009441,0.037315,0.018678,0.007577
sgpcmbeC1.c1,2002,0122:30:00,27 ,0.009884,0.090881,0.022337,0.017294
sgpcmbeC1.c1,2002,0123:30:00,26 ,0.010077,0.035174,0.017225,0.005886