datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,03 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,03 6:30:00,9 ,       0,0.721401,0.099608,0.236591
sgpcmbeC1.c1,2006,03 7:30:00,29 ,0.000164,0.999028, 0.49438,0.443455
sgpcmbeC1.c1,2006,03 8:30:00,29 ,0.000953,       1,0.543565, 0.47013
sgpcmbeC1.c1,2006,03 9:30:00,30 , 0.00027,       1,0.577803, 0.46639
sgpcmbeC1.c1,2006,0310:30:00,30 , 0.00026,       1,0.538135,0.452083
sgpcmbeC1.c1,2006,0311:30:00,30 ,0.000072,       1,0.522444,0.471293
sgpcmbeC1.c1,2006,0312:30:00,30 ,0.000079,       1,0.546228,0.472939
sgpcmbeC1.c1,2006,0313:30:00,30 ,3.214E-6,       1,0.545911,0.470108
sgpcmbeC1.c1,2006,0314:30:00,30 ,0.000025,       1,0.597367,0.455334
sgpcmbeC1.c1,2006,0315:30:00,30 ,0.000014,       1,0.600613,0.437727
sgpcmbeC1.c1,2006,0316:30:00,30 ,0.000074,       1,0.594987,0.433357
sgpcmbeC1.c1,2006,0317:30:00,30 ,  0.0001,0.999822,0.583404,0.423108
sgpcmbeC1.c1,2006,0318:30:00,25 ,0.000302,0.977646,0.421669, 0.39373
sgpcmbeC1.c1,2006,0319:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0320:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0321:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0322:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0323:30:00,0 ,       .,       .,       .,       .