datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,03 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,03 6:30:00,19 ,0.005428,0.980548,0.350131,0.417483
sgpcmbeC1.c1,2002,03 7:30:00,31 ,0.002595,0.999395,0.428388,0.408151
sgpcmbeC1.c1,2002,03 8:30:00,31 , 0.00028,       1,0.510415,0.443201
sgpcmbeC1.c1,2002,03 9:30:00,31 ,0.000249,       1,0.495627,0.414417
sgpcmbeC1.c1,2002,0310:30:00,31 , 0.00016,       1,0.485293,0.463342
sgpcmbeC1.c1,2002,0311:30:00,31 ,0.000425,       1,0.494553,0.462954
sgpcmbeC1.c1,2002,0312:30:00,31 ,0.001905,       1,0.407632,0.439646
sgpcmbeC1.c1,2002,0313:30:00,31 ,0.001769,       1,0.416385,0.458903
sgpcmbeC1.c1,2002,0314:30:00,31 , 0.00126,       1,0.432257, 0.45533
sgpcmbeC1.c1,2002,0315:30:00,30 ,0.000642,       1,0.504373, 0.43594
sgpcmbeC1.c1,2002,0316:30:00,30 ,0.000923,       1,0.474608,0.470259
sgpcmbeC1.c1,2002,0317:30:00,30 ,0.002013,0.999934,0.468141,0.454946
sgpcmbeC1.c1,2002,0318:30:00,28 ,0.002321,0.999219,0.366017,0.418177
sgpcmbeC1.c1,2002,0319:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0320:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0321:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0322:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0323:30:00,0 ,       .,       .,       .,       .