datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,07 0:30:00,31 ,       0,0.683407, 0.10795,0.175603
twpcmbeC1.c1,2002,07 1:30:00,31 ,       0,0.657144,0.088472,0.168944
twpcmbeC1.c1,2002,07 2:30:00,31 ,       0,0.493619,0.068289,0.140394
twpcmbeC1.c1,2002,07 3:30:00,31 ,       0, 0.29935,0.036636,0.083017
twpcmbeC1.c1,2002,07 4:30:00,31 ,       0,0.377301,0.017035,0.069465
twpcmbeC1.c1,2002,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2002,07 6:30:00,31 ,0.005331,22.79853,4.670089,6.727005
twpcmbeC1.c1,2002,07 7:30:00,31 ,0.017726, 91.5404, 31.3238,29.68931
twpcmbeC1.c1,2002,07 8:30:00,31 ,0.182883,174.6212,67.56253,57.34172
twpcmbeC1.c1,2002,07 9:30:00,31 ,0.481048,226.5538,100.0479,67.80997
twpcmbeC1.c1,2002,0710:30:00,31 ,0.538498, 288.836,136.4442,87.35985
twpcmbeC1.c1,2002,0711:30:00,31 ,1.710789,379.3822,150.4347,100.8256
twpcmbeC1.c1,2002,0712:30:00,31 ,0.805756,298.7203, 131.223,102.0211
twpcmbeC1.c1,2002,0713:30:00,31 ,0.660101,306.1117,125.0553,105.7284
twpcmbeC1.c1,2002,0714:30:00,31 ,0.403036,272.3505,90.59128,76.09975
twpcmbeC1.c1,2002,0715:30:00,31 ,0.030399, 231.791,62.90052,63.52198
twpcmbeC1.c1,2002,0716:30:00,31 ,0.028556, 136.259, 46.1846,42.26024
twpcmbeC1.c1,2002,0717:30:00,31 ,       0,57.06368,15.90329,19.35572
twpcmbeC1.c1,2002,0718:30:00,31 ,       0,2.113726,0.362461,0.547609
twpcmbeC1.c1,2002,0719:30:00,31 ,       0,0.176857,0.013522,0.042849
twpcmbeC1.c1,2002,0720:30:00,31 ,       0,0.304876,0.036501,0.087153
twpcmbeC1.c1,2002,0721:30:00,31 ,       0,0.456498,0.045002,0.112026
twpcmbeC1.c1,2002,0722:30:00,31 ,       0,0.381557,0.050562,0.105011
twpcmbeC1.c1,2002,0723:30:00,31 ,       0,0.491957,0.069301,0.148954