datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,08 0:30:00,31 ,       0,       1,0.576165,0.454748
sgpcmbeC1.c1,2006,08 1:30:00,31 ,       0,       1,0.595072,0.438582
sgpcmbeC1.c1,2006,08 2:30:00,31 ,       0,       1,0.585394,0.446227
sgpcmbeC1.c1,2006,08 3:30:00,31 ,       0,       1,0.561649,0.460531
sgpcmbeC1.c1,2006,08 4:30:00,31 ,       0,       1,0.577867,0.464791
sgpcmbeC1.c1,2006,08 5:30:00,31 ,       0,       1,0.585215, 0.45317
sgpcmbeC1.c1,2006,08 6:30:00,31 ,       0,       1,0.515771,0.454104
sgpcmbeC1.c1,2006,08 7:30:00,31 ,       0,       1,0.478405,0.430475
sgpcmbeC1.c1,2006,08 8:30:00,31 ,       0,       1,0.490502,0.410973
sgpcmbeC1.c1,2006,08 9:30:00,31 ,       0,       1,0.572133,0.455985
sgpcmbeC1.c1,2006,0810:30:00,31 ,       0,       1,0.534229,0.472807
sgpcmbeC1.c1,2006,0811:30:00,31 ,       0,       1,0.537186, 0.44253
sgpcmbeC1.c1,2006,0812:30:00,31 ,       0,       1,0.574642, 0.39913
sgpcmbeC1.c1,2006,0813:30:00,31 ,       0,       1,0.609946,0.396652
sgpcmbeC1.c1,2006,0814:30:00,31 ,       0,       1,0.608513,0.386073
sgpcmbeC1.c1,2006,0815:30:00,31 ,       0,       1,0.577061,0.337429
sgpcmbeC1.c1,2006,0816:30:00,31 ,       0,       1,0.498298,0.379457
sgpcmbeC1.c1,2006,0817:30:00,31 ,       0,       1, 0.52491, 0.38192
sgpcmbeC1.c1,2006,0818:30:00,31 ,       0,       1,0.520807,0.452039
sgpcmbeC1.c1,2006,0819:30:00,31 ,       0,       1,0.537366,0.435032
sgpcmbeC1.c1,2006,0820:30:00,31 ,       0,       1,0.525986,0.462992
sgpcmbeC1.c1,2006,0821:30:00,31 ,       0,       1,0.456004,0.458449
sgpcmbeC1.c1,2006,0822:30:00,31 ,       0,       1,0.508692,0.443324
sgpcmbeC1.c1,2006,0823:30:00,31 ,       0,       1,0.576703, 0.44872