datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,6 , 0.03978,0.061819,0.049517,0.008174
sgpcmbeC1.c1,2005,08 1:30:00,6 ,0.027819,0.146399,0.064895,0.047304
sgpcmbeC1.c1,2005,08 2:30:00,6 ,0.023405,0.085792,0.058158,0.023945
sgpcmbeC1.c1,2005,08 3:30:00,5 ,0.017121,0.045818,0.034404,0.011025
sgpcmbeC1.c1,2005,08 4:30:00,5 , 0.02852,0.091757,0.054886,0.024567
sgpcmbeC1.c1,2005,08 5:30:00,6 ,0.003719,0.062721,0.027508,0.024925
sgpcmbeC1.c1,2005,08 6:30:00,6 ,0.012202,0.094146,0.039423,0.029311
sgpcmbeC1.c1,2005,08 7:30:00,6 ,0.030388,0.079073,0.048292,  0.0188
sgpcmbeC1.c1,2005,08 8:30:00,6 ,0.015867,0.046189,0.031036,0.011334
sgpcmbeC1.c1,2005,08 9:30:00,6 ,0.021073,0.115073, 0.04892,0.035068
sgpcmbeC1.c1,2005,0810:30:00,5 ,0.028226,0.113092,0.052958, 0.03437
sgpcmbeC1.c1,2005,0811:30:00,2 ,0.089847,0.097439,0.093643,0.005368
sgpcmbeC1.c1,2005,0812:30:00,2 ,0.047555,0.057797,0.052676,0.007242
sgpcmbeC1.c1,2005,0813:30:00,3 ,0.067868,0.149296,0.098806,0.044095
sgpcmbeC1.c1,2005,0814:30:00,4 ,0.017942,0.150426,0.072972,0.055779
sgpcmbeC1.c1,2005,0815:30:00,3 ,0.051239,0.095538,0.077642,0.023342
sgpcmbeC1.c1,2005,0816:30:00,3 ,0.057297,0.073614,0.063365,0.008925
sgpcmbeC1.c1,2005,0817:30:00,3 ,0.039063,0.117329,0.081419,0.039529
sgpcmbeC1.c1,2005,0818:30:00,5 ,0.028173,0.057184, 0.03911,0.010792
sgpcmbeC1.c1,2005,0819:30:00,5 ,0.028635,0.067629,0.047074,0.015211
sgpcmbeC1.c1,2005,0820:30:00,5 ,0.025775, 0.10137,0.053858,0.029166
sgpcmbeC1.c1,2005,0821:30:00,6 , 0.01416,0.060556,0.035098,0.019246
sgpcmbeC1.c1,2005,0822:30:00,6 ,0.025252,0.141009,0.071975,0.040747
sgpcmbeC1.c1,2005,0823:30:00,6 ,0.023403,0.066341,0.042041, 0.01853