datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,01 0:30:00,26 ,0.011002,0.078456,0.023039,0.015745
sgpcmbeC1.c1,2004,01 1:30:00,26 ,0.011256,0.060634,0.023285,0.014041
sgpcmbeC1.c1,2004,01 2:30:00,25 ,0.011211,0.090427,0.023521,0.017246
sgpcmbeC1.c1,2004,01 3:30:00,25 ,   0.012,0.073921,0.022668,0.013968
sgpcmbeC1.c1,2004,01 4:30:00,25 ,0.012423,0.073701, 0.02433,0.014112
sgpcmbeC1.c1,2004,01 5:30:00,25 ,0.011822,0.104707,0.025913,0.020817
sgpcmbeC1.c1,2004,01 6:30:00,25 ,0.011467,0.118994,0.029677,0.026745
sgpcmbeC1.c1,2004,01 7:30:00,26 ,0.012603, 0.15897,0.032255, 0.03533
sgpcmbeC1.c1,2004,01 8:30:00,25 ,0.011348,0.101997,0.031389,0.024425
sgpcmbeC1.c1,2004,01 9:30:00,27 ,0.012846,0.100312,0.024189,0.017633
sgpcmbeC1.c1,2004,0110:30:00,28 ,0.012184,0.099189,0.024766,0.018466
sgpcmbeC1.c1,2004,0111:30:00,28 ,0.014231,0.083245,0.026004,0.014377
sgpcmbeC1.c1,2004,0112:30:00,28 ,0.012349,0.087238,0.024417,0.017338
sgpcmbeC1.c1,2004,0113:30:00,28 ,0.011034,0.078028,0.023141,0.015256
sgpcmbeC1.c1,2004,0114:30:00,27 ,0.012241,0.062232,0.022331,0.011388
sgpcmbeC1.c1,2004,0115:30:00,27 ,0.012204,0.085289,0.024844,0.015683
sgpcmbeC1.c1,2004,0116:30:00,27 ,0.011857, 0.06264,0.025765,0.014312
sgpcmbeC1.c1,2004,0117:30:00,27 , 0.01136,0.126432,0.027234,0.026086
sgpcmbeC1.c1,2004,0118:30:00,27 ,0.011592,0.147689,0.023843,0.026029
sgpcmbeC1.c1,2004,0119:30:00,27 ,0.012833,0.087441,0.024641,0.016301
sgpcmbeC1.c1,2004,0120:30:00,27 ,0.012456,0.196264,  0.0279,0.034354
sgpcmbeC1.c1,2004,0121:30:00,27 ,0.012303,0.059531,0.019446,0.009873
sgpcmbeC1.c1,2004,0122:30:00,27 ,0.012842,0.085946,0.023327,0.015188
sgpcmbeC1.c1,2004,0123:30:00,27 ,0.012123,0.093404,0.024018,0.016098