datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,02 0:30:00,19 ,0.013609,0.053071,0.020652,0.009323
sgpcmbeC1.c1,2006,02 1:30:00,19 ,0.013453,0.063027,0.025251,0.013622
sgpcmbeC1.c1,2006,02 2:30:00,17 ,0.014821,0.037391,0.022026,0.006437
sgpcmbeC1.c1,2006,02 3:30:00,17 ,0.013301,0.047517,0.022188,0.009633
sgpcmbeC1.c1,2006,02 4:30:00,17 ,0.014279,0.070917, 0.02639,0.014808
sgpcmbeC1.c1,2006,02 5:30:00,17 ,0.014585,0.058642,0.024666,0.011157
sgpcmbeC1.c1,2006,02 6:30:00,17 ,0.015721,0.050161,0.020985,0.008098
sgpcmbeC1.c1,2006,02 7:30:00,17 ,0.014588,0.064101,0.023952,0.012746
sgpcmbeC1.c1,2006,02 8:30:00,18 ,0.012992,0.060617,0.027978,0.013938
sgpcmbeC1.c1,2006,02 9:30:00,20 ,0.013928,0.064907,0.027809,0.014838
sgpcmbeC1.c1,2006,0210:30:00,20 ,0.012916,0.046966,0.023921,0.009109
sgpcmbeC1.c1,2006,0211:30:00,20 ,0.012655,0.062053,0.021897,0.010861
sgpcmbeC1.c1,2006,0212:30:00,20 ,0.014758,0.028296,0.019897,0.004182
sgpcmbeC1.c1,2006,0213:30:00,20 ,0.012337,0.056554,0.021419,0.009542
sgpcmbeC1.c1,2006,0214:30:00,19 ,0.015232,0.065239,0.023094,0.011105
sgpcmbeC1.c1,2006,0215:30:00,19 ,0.014131,0.048586,0.025007,0.008988
sgpcmbeC1.c1,2006,0216:30:00,19 ,0.013229,0.075379,0.028622,0.016142
sgpcmbeC1.c1,2006,0217:30:00,19 ,0.013874,0.061239,0.027094,0.014874
sgpcmbeC1.c1,2006,0218:30:00,18 , 0.01295,0.070884,0.023812,0.013058
sgpcmbeC1.c1,2006,0219:30:00,18 ,0.013809,0.045962,0.023043,0.008654
sgpcmbeC1.c1,2006,0220:30:00,18 ,0.014857,0.044779,0.023944,0.010148
sgpcmbeC1.c1,2006,0221:30:00,18 ,0.014005,0.050453,  0.0234,0.010328
sgpcmbeC1.c1,2006,0222:30:00,18 ,0.013427,0.098904,0.028055,0.020872
sgpcmbeC1.c1,2006,0223:30:00,18 ,0.012525,  0.0721,0.027156,0.016487