datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,05 0:30:00,31 ,       0,0.015932,0.000792,0.002885
twpcmbeC1.c1,2003,05 1:30:00,31 ,       0,   0.032,0.001263,0.005753
twpcmbeC1.c1,2003,05 2:30:00,31 ,       0,0.018333,0.000902,0.003355
twpcmbeC1.c1,2003,05 3:30:00,31 ,       0,0.042333,0.001613,0.007657
twpcmbeC1.c1,2003,05 4:30:00,31 ,       0, 0.07881,0.003075,0.014188
twpcmbeC1.c1,2003,05 5:30:00,31 ,       0,0.161113,0.038504,0.046091
twpcmbeC1.c1,2003,05 6:30:00,31 ,6.649792,44.82219,26.56679,7.860518
twpcmbeC1.c1,2003,05 7:30:00,31 ,34.16404,171.7457,101.5859,35.35822
twpcmbeC1.c1,2003,05 8:30:00,31 ,42.36817,280.4702,160.8569,68.39921
twpcmbeC1.c1,2003,05 9:30:00,31 ,31.63522,406.5753,202.7055,92.89425
twpcmbeC1.c1,2003,0510:30:00,31 ,68.21756,516.2531, 245.443,123.9872
twpcmbeC1.c1,2003,0511:30:00,31 ,52.79438, 559.275, 246.497,140.4197
twpcmbeC1.c1,2003,0512:30:00,31 ,33.19861,533.8094,264.2948,141.8187
twpcmbeC1.c1,2003,0513:30:00,31 ,65.56005,501.9578,246.8645, 127.138
twpcmbeC1.c1,2003,0514:30:00,31 ,94.43082,437.3442,224.5739,99.30356
twpcmbeC1.c1,2003,0515:30:00,31 ,29.01299,319.0134,173.7944,75.37203
twpcmbeC1.c1,2003,0516:30:00,31 ,25.70184,167.7334,107.8199,40.60726
twpcmbeC1.c1,2003,0517:30:00,31 ,8.320773, 74.0877, 43.9084,16.37576
twpcmbeC1.c1,2003,0518:30:00,31 ,0.027931,2.745663,1.211203,0.667064
twpcmbeC1.c1,2003,0519:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,0520:30:00,31 ,       0,0.013167,0.001007,0.003188
twpcmbeC1.c1,2003,0521:30:00,30 ,       0,   0.018,  0.0008,0.003392
twpcmbeC1.c1,2003,0522:30:00,31 ,       0,0.021833, 0.00093,0.003932
twpcmbeC1.c1,2003,0523:30:00,31 ,       0,0.028478,0.001817, 0.00584