datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 6:30:00,7 ,0.000906,0.168867,0.075022,0.069547
sgpcmbeC1.c1,2007,10 7:30:00,31 ,0.001216,0.984293,0.218791,0.300783
sgpcmbeC1.c1,2007,10 8:30:00,31 ,0.002036,0.997234,0.266869,0.351522
sgpcmbeC1.c1,2007,10 9:30:00,31 ,0.000266,0.999946,0.236857,0.369871
sgpcmbeC1.c1,2007,1010:30:00,31 ,0.000642,0.999552,0.234039,0.362293
sgpcmbeC1.c1,2007,1011:30:00,31 ,0.001098,0.999964,0.249509,0.396288
sgpcmbeC1.c1,2007,1012:30:00,31 ,0.000316, 0.99987,  0.2982,0.415167
sgpcmbeC1.c1,2007,1013:30:00,31 ,0.000759,0.999948,0.290503,0.391158
sgpcmbeC1.c1,2007,1014:30:00,30 ,0.000196,0.999658,0.239321,0.367644
sgpcmbeC1.c1,2007,1015:30:00,31 ,0.000023,0.999383,0.271063,0.359902
sgpcmbeC1.c1,2007,1016:30:00,31 ,0.000178,0.998841,0.264558,0.330518
sgpcmbeC1.c1,2007,1017:30:00,31 , 0.00028, 0.99998,0.190133,0.323162
sgpcmbeC1.c1,2007,1018:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1019:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1020:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1021:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1022:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1023:30:00,0 ,       .,       .,       .,       .