datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,10 0:30:00,31 ,       0,9.667E-6,3.118E-7,1.736E-6
twpcmbeC1.c1,2004,10 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,10 2:30:00,31 ,       0,0.001255,0.000041,0.000225
twpcmbeC1.c1,2004,10 3:30:00,31 ,       0,0.017759,0.000573, 0.00319
twpcmbeC1.c1,2004,10 4:30:00,31 ,       0,0.077598,0.002503,0.013937
twpcmbeC1.c1,2004,10 5:30:00,31 ,       0,2.047228,0.957947,0.564799
twpcmbeC1.c1,2004,10 6:30:00,31 ,0.957206,89.16526,47.81738,17.88176
twpcmbeC1.c1,2004,10 7:30:00,31 ,9.851428,198.7694,118.5102,44.69497
twpcmbeC1.c1,2004,10 8:30:00,31 ,15.24445,322.2927,194.1229,79.94029
twpcmbeC1.c1,2004,10 9:30:00,31 ,26.20084,  419.42,239.5303,101.4668
twpcmbeC1.c1,2004,1010:30:00,31 ,104.5223,458.7959,254.6167,104.7154
twpcmbeC1.c1,2004,1011:30:00,31 ,73.22856,481.1766, 257.517,128.3533
twpcmbeC1.c1,2004,1012:30:00,31 ,52.24276,516.2818, 266.462,125.8269
twpcmbeC1.c1,2004,1013:30:00,31 ,92.03549,570.5369, 272.829, 126.451
twpcmbeC1.c1,2004,1014:30:00,31 ,107.1615,466.6968,230.5643,99.95936
twpcmbeC1.c1,2004,1015:30:00,31 ,54.11555,315.1797,186.8876,64.19939
twpcmbeC1.c1,2004,1016:30:00,31 ,29.18495,207.4968,115.9477,35.94436
twpcmbeC1.c1,2004,1017:30:00,31 ,4.179444,63.29309,37.69193, 13.9148
twpcmbeC1.c1,2004,1018:30:00,31 ,       0,0.787696,0.335737,0.189314
twpcmbeC1.c1,2004,1019:30:00,31 ,       0,0.000019,6.237E-7,3.472E-6
twpcmbeC1.c1,2004,1020:30:00,31 ,       0,0.069484,0.002241, 0.01248
twpcmbeC1.c1,2004,1021:30:00,31 ,       0,0.067707, 0.00234,0.012162
twpcmbeC1.c1,2004,1022:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1023:30:00,31 ,       0,       0,       0,       0