datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,08 0:30:00,31 ,       0,0.246843,0.007963,0.044334
twpcmbeC1.c1,1999,08 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 2:30:00,31 ,       0,0.310039,0.012332,0.056753
twpcmbeC1.c1,1999,08 3:30:00,31 ,       0,0.339544, 0.01449,0.063456
twpcmbeC1.c1,1999,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 5:30:00,31 ,       0,0.174684,0.005635,0.031374
twpcmbeC1.c1,1999,08 6:30:00,31 ,1.989153,31.37792,16.18445, 7.48966
twpcmbeC1.c1,1999,08 7:30:00,31 ,3.334439,105.7618,34.12785,23.13349
twpcmbeC1.c1,1999,08 8:30:00,31 , 1.27346,107.4703,37.32069, 26.6708
twpcmbeC1.c1,1999,08 9:30:00,31 ,1.945488,116.8653,45.66239,29.58115
twpcmbeC1.c1,1999,0810:30:00,31 ,0.631487,137.6478,42.69079,32.66147
twpcmbeC1.c1,1999,0811:30:00,31 ,1.389898,122.6947,54.34131,34.70442
twpcmbeC1.c1,1999,0812:30:00,31 ,1.952326,163.0935,49.05591,40.96768
twpcmbeC1.c1,1999,0813:30:00,31 ,2.666913,169.8412,62.48609,44.59059
twpcmbeC1.c1,1999,0814:30:00,31 ,2.023141,149.8708,48.79075,38.49568
twpcmbeC1.c1,1999,0815:30:00,31 ,1.742276,85.96724,33.03006,22.92081
twpcmbeC1.c1,1999,0816:30:00,31 ,1.545003,101.0798,30.02923,20.92663
twpcmbeC1.c1,1999,0817:30:00,31 ,3.522164, 49.5503,23.56025,12.38806
twpcmbeC1.c1,1999,0818:30:00,31 ,       0,6.786285,3.284632, 1.87587
twpcmbeC1.c1,1999,0819:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0820:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0822:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0823:30:00,31 ,       0,       0,       0,       0