datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,06 0:30:00,30 ,       0,0.248339,0.021627,0.066398
twpcmbeC1.c1,2007,06 1:30:00,30 ,       0,0.601087,0.031699,0.113687
twpcmbeC1.c1,2007,06 2:30:00,30 ,       0,0.335539,0.011185,0.061261
twpcmbeC1.c1,2007,06 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,06 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,06 5:30:00,30 ,       0,0.072105,0.002404,0.013165
twpcmbeC1.c1,2007,06 6:30:00,30 ,1.098522,41.99311,25.96896,11.98753
twpcmbeC1.c1,2007,06 7:30:00,30 ,4.706667,143.0172,69.52793,34.51264
twpcmbeC1.c1,2007,06 8:30:00,30 ,4.829739,169.5193,76.28049,43.26961
twpcmbeC1.c1,2007,06 9:30:00,30 ,5.915588,227.1539,93.62737,54.00931
twpcmbeC1.c1,2007,0610:30:00,30 ,19.68128,352.8807,115.5156,81.97277
twpcmbeC1.c1,2007,0611:30:00,30 ,13.43879,367.4723,101.8163,85.04048
twpcmbeC1.c1,2007,0612:30:00,30 ,3.204365,311.9952,104.3347,91.52272
twpcmbeC1.c1,2007,0613:30:00,30 ,11.19199,314.0437,104.0164,91.24294
twpcmbeC1.c1,2007,0614:30:00,30 ,21.46302,342.9944,124.2782,89.84472
twpcmbeC1.c1,2007,0615:30:00,30 ,12.06174,229.9945,91.00236,57.67582
twpcmbeC1.c1,2007,0616:30:00,30 ,5.751691,142.4758,62.00257,37.57167
twpcmbeC1.c1,2007,0617:30:00,30 ,2.156438, 79.2094,40.79833,21.55025
twpcmbeC1.c1,2007,0618:30:00,30 ,0.468419,7.023304, 3.71705,1.534817
twpcmbeC1.c1,2007,0619:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0621:30:00,30 ,       0,0.151144,0.012346,0.038464
twpcmbeC1.c1,2007,0622:30:00,30 ,       0,0.271497,0.033147,0.078044
twpcmbeC1.c1,2007,0623:30:00,30 ,       0,0.289116,0.026156,0.073653