datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,05 0:30:00,27 ,       0, 0.12803,0.013427,0.035718
twpcmbeC2.c1,2002,05 1:30:00,29 ,       0,0.615372,0.028818,0.115583
twpcmbeC2.c1,2002,05 2:30:00,29 ,       0,0.121175,0.008352,0.026146
twpcmbeC2.c1,2002,05 3:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,05 4:30:00,31 ,       0,0.036512,0.001178,0.006558
twpcmbeC2.c1,2002,05 5:30:00,31 ,       0,0.022617, 0.00073,0.004062
twpcmbeC2.c1,2002,05 6:30:00,31 ,0.000677,0.013214,0.004658,0.002701
twpcmbeC2.c1,2002,05 7:30:00,31 ,0.226643,24.70036,8.429877,7.654182
twpcmbeC2.c1,2002,05 8:30:00,31 ,0.957886,217.2885,85.74434,50.45339
twpcmbeC2.c1,2002,05 9:30:00,31 ,0.315815,496.1497,307.2596,167.6874
twpcmbeC2.c1,2002,0510:30:00,31 ,0.252071,679.6766,425.1588,226.1825
twpcmbeC2.c1,2002,0511:30:00,31 ,0.478027,833.4271,483.7552,256.5358
twpcmbeC2.c1,2002,0512:30:00,31 ,0.594872,886.7386,495.3952,275.7963
twpcmbeC2.c1,2002,0513:30:00,31 ,0.525208,868.7339,441.9107,286.9442
twpcmbeC2.c1,2002,0514:30:00,31 ,0.199982,755.0387,406.6909,232.8182
twpcmbeC2.c1,2002,0515:30:00,31 ,0.295075,612.4002,318.6583,193.5725
twpcmbeC2.c1,2002,0516:30:00,31 , 0.10508,431.1357,193.2342,143.6324
twpcmbeC2.c1,2002,0517:30:00,31 ,       0,210.1389,76.43918,77.63679
twpcmbeC2.c1,2002,0518:30:00,31 ,0.000214, 38.7765,8.301017,10.73268
twpcmbeC2.c1,2002,0519:30:00,31 ,       0,0.003526,0.000337, 0.00095
twpcmbeC2.c1,2002,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0521:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0522:30:00,30 ,       0,0.054469,0.002881,0.010597
twpcmbeC2.c1,2002,0523:30:00,29 ,       0,0.041069,0.003514,0.010764