datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,01 0:30:00,28 ,       0,0.131031,0.009932,0.028185
twpcmbeC2.c1,2002,01 1:30:00,28 ,       0,0.122478,0.011355,0.028363
twpcmbeC2.c1,2002,01 2:30:00,28 ,       0,0.090869,0.012956,0.027675
twpcmbeC2.c1,2002,01 3:30:00,28 ,       0,0.086798,0.009591,0.023274
twpcmbeC2.c1,2002,01 4:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,01 5:30:00,28 ,       0,0.035833, 0.00128,0.006772
twpcmbeC2.c1,2002,01 6:30:00,28 ,       0, 0.00169,0.000215,0.000402
twpcmbeC2.c1,2002,01 7:30:00,28 ,0.000824,8.890232,2.148134,2.968698
twpcmbeC2.c1,2002,01 8:30:00,28 ,0.104948,87.10901,25.16669,28.30157
twpcmbeC2.c1,2002,01 9:30:00,28 ,0.052567,410.7577,119.9169,140.0336
twpcmbeC2.c1,2002,0110:30:00,29 ,0.264751,655.0166,198.2192,200.0492
twpcmbeC2.c1,2002,0111:30:00,29 ,  0.5299,786.8642,300.9293,262.5147
twpcmbeC2.c1,2002,0112:30:00,29 ,0.045662,869.9904, 331.857,308.9905
twpcmbeC2.c1,2002,0113:30:00,29 ,0.006573,896.1481,354.0167,313.4387
twpcmbeC2.c1,2002,0114:30:00,29 ,0.489311, 823.515,288.9115,279.0789
twpcmbeC2.c1,2002,0115:30:00,29 ,0.430534,676.8556,236.7483,226.2938
twpcmbeC2.c1,2002,0116:30:00,29 ,0.000847,493.8459,163.5227,168.8754
twpcmbeC2.c1,2002,0117:30:00,29 ,       0, 288.451,82.03433,94.17175
twpcmbeC2.c1,2002,0118:30:00,29 ,       0,61.97587,14.57436,18.13179
twpcmbeC2.c1,2002,0119:30:00,29 ,       0,0.053409,0.007059,0.014427
twpcmbeC2.c1,2002,0120:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0121:30:00,29 ,       0,0.082275,0.002837,0.015278
twpcmbeC2.c1,2002,0122:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0123:30:00,29 ,       0,0.115159,0.010439,0.028527