datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,01 0:30:00,31 ,       0,0.476791,0.136559,0.154904
twpcmbeC1.c1,1999,01 1:30:00,31 ,       0,0.807936,0.179375,0.210495
twpcmbeC1.c1,1999,01 2:30:00,31 ,       0,0.557149,0.133853,0.174292
twpcmbeC1.c1,1999,01 3:30:00,31 ,       0,0.368637,0.069198,0.109757
twpcmbeC1.c1,1999,01 4:30:00,31 ,       0,0.197722,0.019291,0.041912
twpcmbeC1.c1,1999,01 5:30:00,31 ,       0,0.033469,0.002567,0.006624
twpcmbeC1.c1,1999,01 6:30:00,31 ,       0,15.74253,5.609841,5.428476
twpcmbeC1.c1,1999,01 7:30:00,31 ,0.095573,194.4078,81.84359,68.29121
twpcmbeC1.c1,1999,01 8:30:00,31 ,1.145325,425.4586,193.2181,150.0782
twpcmbeC1.c1,1999,01 9:30:00,31 ,0.869324,582.6301,306.7326,216.4127
twpcmbeC1.c1,1999,0110:30:00,31 ,1.533081,787.6041,411.9093,278.0487
twpcmbeC1.c1,1999,0111:30:00,31 ,0.769112,882.0834,529.4367,311.0363
twpcmbeC1.c1,1999,0112:30:00,31 ,0.004898,912.7103,534.6546,326.5912
twpcmbeC1.c1,1999,0113:30:00,31 ,0.937347,  867.48,462.8226,292.5377
twpcmbeC1.c1,1999,0114:30:00,31 ,0.933838,752.3232, 368.826,250.5851
twpcmbeC1.c1,1999,0115:30:00,31 ,0.363312,573.5015,254.4739,187.8829
twpcmbeC1.c1,1999,0116:30:00,31 ,0.036224,355.3876,148.0796,129.2778
twpcmbeC1.c1,1999,0117:30:00,31 ,0.000275,127.2251,40.48066,40.52937
twpcmbeC1.c1,1999,0118:30:00,31 ,       0,3.754666,0.797796,1.086529
twpcmbeC1.c1,1999,0119:30:00,31 ,       0,0.093458, 0.00791,0.024756
twpcmbeC1.c1,1999,0120:30:00,31 ,       0,0.372414, 0.03175,0.081236
twpcmbeC1.c1,1999,0121:30:00,31 ,       0,0.383365,0.053932,0.100337
twpcmbeC1.c1,1999,0122:30:00,30 ,       0,0.587034,0.083607,0.125517
twpcmbeC1.c1,1999,0123:30:00,31 ,       0,0.734427,0.090627,0.157194