datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,08 0:30:00,1 ,       0,       0,       0,       .
twpcmbeC1.c1,2007,08 1:30:00,1 ,0.267945,0.267945,0.267945,       .
twpcmbeC1.c1,2007,08 2:30:00,1 ,       0,       0,       0,       .
twpcmbeC1.c1,2007,08 3:30:00,1 ,       0,       0,       0,       .
twpcmbeC1.c1,2007,08 4:30:00,1 ,       0,       0,       0,       .
twpcmbeC1.c1,2007,08 5:30:00,1 ,       0,       0,       0,       .
twpcmbeC1.c1,2007,08 6:30:00,1 ,0.003363,0.003363,0.003363,       .
twpcmbeC1.c1,2007,08 7:30:00,1 ,1.858671,1.858671,1.858671,       .
twpcmbeC1.c1,2007,08 8:30:00,1 ,1.159102,1.159102,1.159102,       .
twpcmbeC1.c1,2007,08 9:30:00,1 , 0.50467, 0.50467, 0.50467,       .
twpcmbeC1.c1,2007,0810:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0811:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0812:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0813:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0814:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0815:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0816:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0817:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0818:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0819:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0820:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0821:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0822:30:00,0 ,       .,       .,       .,       .
twpcmbeC1.c1,2007,0823:30:00,0 ,       .,       .,       .,       .