datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,08 0:30:00,22 ,0.148735,154.8051,30.96622,40.81891
twpcmbeC2.c1,2004,08 1:30:00,22 ,       0, 493.387,48.55754,107.9635
twpcmbeC2.c1,2004,08 2:30:00,23 ,       0, 483.607,79.65013,133.2575
twpcmbeC2.c1,2004,08 3:30:00,20 ,       0, 349.195,46.14446,91.32824
twpcmbeC2.c1,2004,08 4:30:00,20 ,       0, 385.978, 56.8073,102.0286
twpcmbeC2.c1,2004,08 5:30:00,22 ,       0,336.8082,85.59381,101.5887
twpcmbeC2.c1,2004,08 6:30:00,24 ,       0,404.6002,88.60983,119.2972
twpcmbeC2.c1,2004,08 7:30:00,23 ,       0,332.2772,40.11232,71.47636
twpcmbeC2.c1,2004,08 8:30:00,20 ,       0,174.0939,22.91208,39.72606
twpcmbeC2.c1,2004,08 9:30:00,25 ,0.051149,253.2321,37.06632,68.59437
twpcmbeC2.c1,2004,0810:30:00,25 ,0.170182,82.66428,24.41339,27.77338
twpcmbeC2.c1,2004,0811:30:00,26 ,1.260647,345.4692,40.88744,68.24778
twpcmbeC2.c1,2004,0812:30:00,28 ,       0,215.5808,41.92542,51.39762
twpcmbeC2.c1,2004,0813:30:00,27 ,       0,352.6572,48.54273,73.99884
twpcmbeC2.c1,2004,0814:30:00,28 ,       0,221.0439,  42.844,56.54508
twpcmbeC2.c1,2004,0815:30:00,27 ,       0,282.7332,56.85982,68.78633
twpcmbeC2.c1,2004,0816:30:00,25 ,0.007211,305.3908,52.98986,76.05016
twpcmbeC2.c1,2004,0817:30:00,27 ,       0,244.3767,46.75792,61.17455
twpcmbeC2.c1,2004,0818:30:00,25 ,       0,260.9648, 41.0304,69.60861
twpcmbeC2.c1,2004,0819:30:00,26 ,       0,193.0894,33.51511,49.60134
twpcmbeC2.c1,2004,0820:30:00,25 ,       0,328.9549,32.00653,68.60244
twpcmbeC2.c1,2004,0821:30:00,26 ,       0,176.4366,37.54505,53.05602
twpcmbeC2.c1,2004,0822:30:00,26 ,       0,108.4083,26.05994,30.22266
twpcmbeC2.c1,2004,0823:30:00,24 ,0.067481,308.6669, 36.4063,68.37543