datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,23 ,0.011255,0.128829,0.039221,0.028566
sgpcmbeC1.c1,2004,09 1:30:00,23 ,0.002506,0.371675,0.047547,0.074363
sgpcmbeC1.c1,2004,09 2:30:00,22 ,0.011337,0.113873,0.036758,0.024112
sgpcmbeC1.c1,2004,09 3:30:00,21 , 0.01462,0.080754, 0.03587,0.020281
sgpcmbeC1.c1,2004,09 4:30:00,22 ,0.014519,0.078519,0.031104,0.016305
sgpcmbeC1.c1,2004,09 5:30:00,22 ,0.012434,0.139025, 0.03505,0.027792
sgpcmbeC1.c1,2004,09 6:30:00,22 ,0.014855,0.222598,0.040945,0.048431
sgpcmbeC1.c1,2004,09 7:30:00,23 ,0.015578,0.074319,0.034634, 0.01626
sgpcmbeC1.c1,2004,09 8:30:00,26 ,0.003959,0.539691,0.055456,0.101011
sgpcmbeC1.c1,2004,09 9:30:00,24 ,0.018362,0.112169, 0.03782,0.022159
sgpcmbeC1.c1,2004,0910:30:00,22 ,0.016333,0.102055,0.037886,0.020131
sgpcmbeC1.c1,2004,0911:30:00,23 ,0.014617,0.144161,0.051904,0.027393
sgpcmbeC1.c1,2004,0912:30:00,23 ,0.022204,0.201508,0.065638,0.046514
sgpcmbeC1.c1,2004,0913:30:00,23 ,0.014594,0.203607, 0.06189,0.038673
sgpcmbeC1.c1,2004,0914:30:00,21 , 0.02322,0.118591,0.067601,0.030857
sgpcmbeC1.c1,2004,0915:30:00,22 ,0.030486, 0.14306,0.061859,0.027594
sgpcmbeC1.c1,2004,0916:30:00,21 , 0.02418,0.150429,0.058139,0.029252
sgpcmbeC1.c1,2004,0917:30:00,22 ,0.018891,0.112205, 0.04308,0.024316
sgpcmbeC1.c1,2004,0918:30:00,21 ,0.014873,0.058514,0.036918,0.011329
sgpcmbeC1.c1,2004,0919:30:00,22 ,0.013673,0.173352,0.040055,0.033068
sgpcmbeC1.c1,2004,0920:30:00,22 ,0.014745,0.101201,0.032722, 0.01831
sgpcmbeC1.c1,2004,0921:30:00,23 ,0.009191,0.102342, 0.03793,0.025956
sgpcmbeC1.c1,2004,0922:30:00,23 ,  0.0133,0.097796,0.033822,0.023534
sgpcmbeC1.c1,2004,0923:30:00,21 ,0.016433,0.100635,0.038752,0.025987