datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,04 0:30:00,29 ,   0.012,0.237406,0.042403,0.044551
sgpcmbeC1.c1,2000,04 1:30:00,28 ,0.011873,0.476331,0.053297,0.086313
sgpcmbeC1.c1,2000,04 2:30:00,28 ,0.014486,0.158234,0.041837,0.037712
sgpcmbeC1.c1,2000,04 3:30:00,27 ,0.011521,0.385018,0.051758,0.074378
sgpcmbeC1.c1,2000,04 4:30:00,27 ,0.011962,0.248585,0.053584,0.063431
sgpcmbeC1.c1,2000,04 5:30:00,27 , 0.01124,0.258295,0.054603,0.055797
sgpcmbeC1.c1,2000,04 6:30:00,26 ,0.010235,0.223515,0.039066,0.042625
sgpcmbeC1.c1,2000,04 7:30:00,28 ,0.011123,0.159167,0.037604,0.032866
sgpcmbeC1.c1,2000,04 8:30:00,29 ,0.014123,0.336988,0.048331,0.061002
sgpcmbeC1.c1,2000,04 9:30:00,29 ,0.014229,0.120457,0.042411,0.028056
sgpcmbeC1.c1,2000,0410:30:00,29 ,0.014382,0.269154,0.050106,0.049859
sgpcmbeC1.c1,2000,0411:30:00,29 ,0.015423,0.269562,0.052886, 0.05483
sgpcmbeC1.c1,2000,0412:30:00,30 ,0.014032,0.186968, 0.04629,0.033794
sgpcmbeC1.c1,2000,0413:30:00,30 ,0.013845,0.193433,0.055344,0.043134
sgpcmbeC1.c1,2000,0414:30:00,29 ,0.015245,0.234434,0.050651,0.042577
sgpcmbeC1.c1,2000,0415:30:00,30 ,0.015722,0.437761,0.070211,0.082201
sgpcmbeC1.c1,2000,0416:30:00,30 ,0.014315,0.377151,0.067456,0.073431
sgpcmbeC1.c1,2000,0417:30:00,30 ,0.012705,0.131919,0.041946,0.029429
sgpcmbeC1.c1,2000,0418:30:00,29 ,0.012355,0.144745, 0.04133,0.028901
sgpcmbeC1.c1,2000,0419:30:00,29 ,0.012799,0.192274,0.039944,0.044721
sgpcmbeC1.c1,2000,0420:30:00,28 ,0.011536,0.143393,0.037313,0.027452
sgpcmbeC1.c1,2000,0421:30:00,28 ,  0.0134,0.234168,0.048447,0.053315
sgpcmbeC1.c1,2000,0422:30:00,28 ,0.012835,0.155615,0.043138,0.038052
sgpcmbeC1.c1,2000,0423:30:00,29 ,0.012059,0.407906,0.057527,0.081694