datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,01 0:30:00,31 ,       0,0.575216,0.134694,0.164177
twpcmbeC1.c1,2001,01 1:30:00,30 ,       0,0.567422,0.126836,0.142483
twpcmbeC1.c1,2001,01 2:30:00,31 ,       0,0.546044,0.115403,0.143192
twpcmbeC1.c1,2001,01 3:30:00,31 ,       0,0.665442,0.144643,0.192549
twpcmbeC1.c1,2001,01 4:30:00,30 ,       0,0.489138,0.086162,0.147868
twpcmbeC1.c1,2001,01 5:30:00,30 ,       0,0.407521,0.063846,0.096423
twpcmbeC1.c1,2001,01 6:30:00,30 ,4.610207,40.94287,24.92054,8.706419
twpcmbeC1.c1,2001,01 7:30:00,30 ,12.24592,150.4421,102.3199,29.87329
twpcmbeC1.c1,2001,01 8:30:00,30 ,69.31784,307.0777,178.6656,54.68929
twpcmbeC1.c1,2001,01 9:30:00,30 ,75.96865,382.5095,240.2128,80.28005
twpcmbeC1.c1,2001,0110:30:00,31 ,90.02566,459.2902,251.4863,98.01341
twpcmbeC1.c1,2001,0111:30:00,31 ,101.7206,473.2687,275.8593,104.7933
twpcmbeC1.c1,2001,0112:30:00,31 ,81.61107,490.0471,259.0601,112.5214
twpcmbeC1.c1,2001,0113:30:00,31 ,13.45976,517.7786, 241.692,114.2655
twpcmbeC1.c1,2001,0114:30:00,31 ,23.62027,461.3467, 233.238,105.8856
twpcmbeC1.c1,2001,0115:30:00,31 ,84.12218,366.0005,213.5431,63.71208
twpcmbeC1.c1,2001,0116:30:00,31 ,68.53432,233.2587,153.1163,42.30212
twpcmbeC1.c1,2001,0117:30:00,31 ,18.45601,120.5129,79.12957,23.84574
twpcmbeC1.c1,2001,0118:30:00,31 ,0.876647,30.15755,8.959915,5.200683
twpcmbeC1.c1,2001,0119:30:00,31 ,       0,0.447237,0.045752,0.118493
twpcmbeC1.c1,2001,0120:30:00,31 ,       0,0.605591,0.063648,0.143266
twpcmbeC1.c1,2001,0121:30:00,31 ,       0,0.646212,0.079975,0.167407
twpcmbeC1.c1,2001,0122:30:00,31 ,       0, 0.66304,0.094592,0.146067
twpcmbeC1.c1,2001,0123:30:00,31 ,       0,0.562879,0.155672,0.196617