datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,05 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,05 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,05 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,05 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,05 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,05 5:30:00,23 ,0.003843,0.941205,0.393312, 0.35551
sgpcmbeC1.c1,2005,05 6:30:00,31 ,0.018753,0.998321,0.609995, 0.40688
sgpcmbeC1.c1,2005,05 7:30:00,31 ,0.039326, 0.99974,0.587817,0.407805
sgpcmbeC1.c1,2005,05 8:30:00,31 ,0.030521, 0.99967,0.594655,0.415912
sgpcmbeC1.c1,2005,05 9:30:00,31 ,0.004337,0.999553,0.586129,0.421854
sgpcmbeC1.c1,2005,0510:30:00,31 ,0.002071, 0.99969, 0.54405,0.412414
sgpcmbeC1.c1,2005,0511:30:00,31 ,0.000887,0.999901,0.563569,0.424893
sgpcmbeC1.c1,2005,0512:30:00,31 ,0.001841,0.999998,0.567622,0.437312
sgpcmbeC1.c1,2005,0513:30:00,31 ,0.001475,0.999864,0.500927,0.417628
sgpcmbeC1.c1,2005,0514:30:00,31 ,0.001876,0.999616,0.493478,0.405742
sgpcmbeC1.c1,2005,0515:30:00,31 , 0.01107,0.999131,0.513739, 0.38771
sgpcmbeC1.c1,2005,0516:30:00,31 ,0.018328,0.998121,0.519387, 0.38051
sgpcmbeC1.c1,2005,0517:30:00,31 ,0.018617,0.998492,0.498103,0.403985
sgpcmbeC1.c1,2005,0518:30:00,31 ,0.012402,0.996286,0.397367,0.364269
sgpcmbeC1.c1,2005,0519:30:00,13 ,0.004765,0.996303,0.155938,0.298731
sgpcmbeC1.c1,2005,0520:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0521:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0522:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0523:30:00,0 ,       .,       .,       .,       .