datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,03 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,03 6:30:00,11 ,0.001265,0.939898,0.296344,0.397103
sgpcmbeC1.c1,2003,03 7:30:00,30 ,0.000485, 0.99963,0.499407, 0.46351
sgpcmbeC1.c1,2003,03 8:30:00,30 ,0.000334,       1,0.463775,0.462623
sgpcmbeC1.c1,2003,03 9:30:00,30 ,0.000129,       1,0.556244,0.467514
sgpcmbeC1.c1,2003,0310:30:00,30 ,0.000079,       1,0.566616,0.460855
sgpcmbeC1.c1,2003,0311:30:00,30 ,0.000269,       1,0.548287, 0.46506
sgpcmbeC1.c1,2003,0312:30:00,30 ,0.000912,       1,0.434515,0.443389
sgpcmbeC1.c1,2003,0313:30:00,30 ,0.000575,0.999958,0.396144, 0.45095
sgpcmbeC1.c1,2003,0314:30:00,30 ,0.000304,0.999984,0.412306,0.428054
sgpcmbeC1.c1,2003,0315:30:00,30 ,0.000293,0.999916,0.423735, 0.45532
sgpcmbeC1.c1,2003,0316:30:00,30 ,0.000493,0.999979,0.437575,0.463768
sgpcmbeC1.c1,2003,0317:30:00,30 ,0.001212,0.998785,0.394514,0.428855
sgpcmbeC1.c1,2003,0318:30:00,23 ,0.003425,0.993423,0.296014,0.392613
sgpcmbeC1.c1,2003,0319:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0320:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0321:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0322:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0323:30:00,0 ,       .,       .,       .,       .