datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,05 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,05 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,05 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,05 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,05 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,05 5:30:00,22 ,0.003701,0.999874,0.390281,0.405365
sgpcmbeC1.c1,2003,05 6:30:00,31 ,0.005104,0.999045,0.583874,0.419704
sgpcmbeC1.c1,2003,05 7:30:00,31 ,0.000117,       1,0.596571,0.464425
sgpcmbeC1.c1,2003,05 8:30:00,31 ,0.000076,       1,0.626173,0.446114
sgpcmbeC1.c1,2003,05 9:30:00,31 ,0.000131,       1,0.646766,0.400296
sgpcmbeC1.c1,2003,0510:30:00,31 ,0.000561,       1,0.583232,0.415086
sgpcmbeC1.c1,2003,0511:30:00,31 ,0.001286,       1,0.575543,0.406421
sgpcmbeC1.c1,2003,0512:30:00,31 ,0.000704,       1,0.583305,0.399628
sgpcmbeC1.c1,2003,0513:30:00,31 ,0.000352,       1,0.613345,0.408966
sgpcmbeC1.c1,2003,0514:30:00,31 ,0.010648,       1,0.597876, 0.41041
sgpcmbeC1.c1,2003,0515:30:00,31 ,0.001731,       1,0.594358,0.418513
sgpcmbeC1.c1,2003,0516:30:00,31 ,0.002916, 0.99996,0.561599,0.395347
sgpcmbeC1.c1,2003,0517:30:00,31 ,0.001293,0.999975,0.434953,0.401018
sgpcmbeC1.c1,2003,0518:30:00,31 ,0.003128,0.999836,0.342185,0.395109
sgpcmbeC1.c1,2003,0519:30:00,14 , 0.00687,0.730433,0.134679,0.215378
sgpcmbeC1.c1,2003,0520:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0521:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0522:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2003,0523:30:00,0 ,       .,       .,       .,       .