datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,01 0:30:00,31 ,0.424316,8.299464,3.295204,2.377802
twpcmbeC1.c1,2001,01 1:30:00,31 ,0.321056,12.71051,3.611074,2.980127
twpcmbeC1.c1,2001,01 2:30:00,31 ,0.339959, 11.9238,3.413221,2.945297
twpcmbeC1.c1,2001,01 3:30:00,31 ,0.361104,11.49392,3.777601,3.656797
twpcmbeC1.c1,2001,01 4:30:00,30 ,0.332457,7.400373,2.922196,1.892093
twpcmbeC1.c1,2001,01 5:30:00,30 ,0.364892,9.552946,3.699386,2.872715
twpcmbeC1.c1,2001,01 6:30:00,30 ,0.283291,13.52762,3.782363,3.504983
twpcmbeC1.c1,2001,01 7:30:00,30 , 1.26824,15.90345,4.068242,3.097902
twpcmbeC1.c1,2001,01 8:30:00,30 ,0.556369,11.51252,3.243327,2.546769
twpcmbeC1.c1,2001,01 9:30:00,30 ,0.616416,10.30413,3.584741,2.655362
twpcmbeC1.c1,2001,0110:30:00,31 ,0.528716,7.421707,3.137887,2.277438
twpcmbeC1.c1,2001,0111:30:00,30 ,  0.6604,8.762707,3.006418,2.201396
twpcmbeC1.c1,2001,0112:30:00,29 ,0.703511,9.249365,2.762931,2.636861
twpcmbeC1.c1,2001,0113:30:00,29 ,0.682015,7.313172,2.617267,1.958719
twpcmbeC1.c1,2001,0114:30:00,31 ,0.721639,12.84161,3.339423,3.390578
twpcmbeC1.c1,2001,0115:30:00,31 ,0.569519,11.35017,4.167258,2.756656
twpcmbeC1.c1,2001,0116:30:00,31 ,0.771868,14.39156,4.112497,3.071288
twpcmbeC1.c1,2001,0117:30:00,31 ,0.484334,13.37135,5.379925,3.448688
twpcmbeC1.c1,2001,0118:30:00,31 ,0.486173, 10.6093,3.870345,2.587314
twpcmbeC1.c1,2001,0119:30:00,31 ,0.407404,13.65398,3.834196,3.399493
twpcmbeC1.c1,2001,0120:30:00,31 ,0.433411,13.24824,4.387217,3.707141
twpcmbeC1.c1,2001,0121:30:00,31 ,0.421463,14.24406,4.726454,3.770332
twpcmbeC1.c1,2001,0122:30:00,31 ,0.427393,12.52912,3.949846,3.245241
twpcmbeC1.c1,2001,0123:30:00,31 ,0.350308,7.306367,2.575947,1.966469