datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,       0,       1,0.557963,0.476003
sgpcmbeC1.c1,2006,04 1:30:00,30 ,       0,       1,0.591296,0.492301
sgpcmbeC1.c1,2006,04 2:30:00,30 ,       0,       1,0.576944, 0.48124
sgpcmbeC1.c1,2006,04 3:30:00,30 ,       0,       1,0.562593,0.472181
sgpcmbeC1.c1,2006,04 4:30:00,30 ,       0,       1,0.499722,0.483842
sgpcmbeC1.c1,2006,04 5:30:00,30 ,       0,       1,0.574259,0.475187
sgpcmbeC1.c1,2006,04 6:30:00,30 ,       0,       1, 0.60787, 0.47218
sgpcmbeC1.c1,2006,04 7:30:00,30 ,       0,       1,0.589815,0.479182
sgpcmbeC1.c1,2006,04 8:30:00,30 ,       0,       1,0.535093,0.476377
sgpcmbeC1.c1,2006,04 9:30:00,30 ,       0,       1,0.538426,0.464629
sgpcmbeC1.c1,2006,0410:30:00,30 ,       0,       1,0.585648,0.465109
sgpcmbeC1.c1,2006,0411:30:00,30 ,       0,       1,0.586296,0.470802
sgpcmbeC1.c1,2006,0412:30:00,30 ,       0,       1,0.547222, 0.46183
sgpcmbeC1.c1,2006,0413:30:00,30 ,       0,       1,0.518148,0.474729
sgpcmbeC1.c1,2006,0414:30:00,30 ,       0,       1, 0.47963,0.476222
sgpcmbeC1.c1,2006,0415:30:00,30 ,       0,       1,0.531852, 0.46651
sgpcmbeC1.c1,2006,0416:30:00,30 ,       0,       1,0.541019,0.453005
sgpcmbeC1.c1,2006,0417:30:00,30 ,       0,       1,0.527222,0.464414
sgpcmbeC1.c1,2006,0418:30:00,30 ,       0,       1,  0.4675,0.481382
sgpcmbeC1.c1,2006,0419:30:00,30 ,       0,       1,0.476667,0.473409
sgpcmbeC1.c1,2006,0420:30:00,30 ,       0,       1,0.489167,0.485316
sgpcmbeC1.c1,2006,0421:30:00,30 ,       0,       1,0.526852,0.460422
sgpcmbeC1.c1,2006,0422:30:00,30 ,       0,       1,0.483333,0.474551
sgpcmbeC1.c1,2006,0423:30:00,30 ,       0,       1,0.465093,0.460601