datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,05 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,05 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,05 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,05 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,05 5:30:00,20 ,0.002761,0.999583,0.290862,0.369806
sgpcmbeC1.c1,2006,05 6:30:00,29 ,0.005968,0.999633,0.401526, 0.41198
sgpcmbeC1.c1,2006,05 7:30:00,29 ,0.003799,0.999969,0.420101,0.417558
sgpcmbeC1.c1,2006,05 8:30:00,29 ,0.003381,0.999932,0.417556,0.420523
sgpcmbeC1.c1,2006,05 9:30:00,30 ,0.003803,0.999795,0.409285,0.420768
sgpcmbeC1.c1,2006,0510:30:00,30 , 0.00289,0.999886,0.407073,0.420574
sgpcmbeC1.c1,2006,0511:30:00,30 ,0.002211,0.999777,0.427629,0.418104
sgpcmbeC1.c1,2006,0512:30:00,30 ,0.001143,0.999968,0.499842,0.422826
sgpcmbeC1.c1,2006,0513:30:00,30 ,0.001019,0.999427,0.497253,0.400777
sgpcmbeC1.c1,2006,0514:30:00,30 ,0.001109,0.999422,0.451842,0.387027
sgpcmbeC1.c1,2006,0515:30:00,30 ,0.002455,0.999479,0.401795, 0.36859
sgpcmbeC1.c1,2006,0516:30:00,30 ,0.000903,0.999512,0.363887, 0.36149
sgpcmbeC1.c1,2006,0517:30:00,30 ,0.001192,0.999406,0.315028,0.382712
sgpcmbeC1.c1,2006,0518:30:00,30 ,0.000539,0.998786,0.311948,0.372213
sgpcmbeC1.c1,2006,0519:30:00,13 ,0.000783,0.976435,0.257275,0.371398
sgpcmbeC1.c1,2006,0520:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0521:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0522:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0523:30:00,0 ,       .,       .,       .,       .