datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,11 6:30:00,2 ,       1,       1,       1,       0
sgpcmbeC1.c1,2001,11 7:30:00,27 ,0.002142,0.995424,0.426405,0.367838
sgpcmbeC1.c1,2001,11 8:30:00,27 ,0.001597,0.999965,0.469358, 0.42779
sgpcmbeC1.c1,2001,11 9:30:00,28 ,0.002401,       1,0.493182,0.447632
sgpcmbeC1.c1,2001,1110:30:00,28 ,0.001718,       1,0.504169,0.451984
sgpcmbeC1.c1,2001,1111:30:00,28 ,0.002272,       1,0.530673,0.448463
sgpcmbeC1.c1,2001,1112:30:00,28 ,0.002032,       1,0.576177,0.446741
sgpcmbeC1.c1,2001,1113:30:00,27 ,0.003145,       1, 0.58507,0.448738
sgpcmbeC1.c1,2001,1114:30:00,27 ,0.004795,       1,0.555132,0.460254
sgpcmbeC1.c1,2001,1115:30:00,27 ,0.006515,0.999995,0.499115,0.435938
sgpcmbeC1.c1,2001,1116:30:00,27 ,0.007602,0.999828,0.445907,0.408336
sgpcmbeC1.c1,2001,1117:30:00,1 ,0.095876,0.095876,0.095876,       .
sgpcmbeC1.c1,2001,1118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,1119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,1120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,1121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,1122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,1123:30:00,0 ,       .,       .,       .,       .