datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,09 0:30:00,30 ,       0,0.053929,0.003565,0.010521
twpcmbeC1.c1,2002,09 1:30:00,30 ,       0,0.019866,0.003214,0.006194
twpcmbeC1.c1,2002,09 2:30:00,30 ,       0,0.020734,0.001905,0.004643
twpcmbeC1.c1,2002,09 3:30:00,30 ,       0,0.030813,0.002392,0.007648
twpcmbeC1.c1,2002,09 4:30:00,30 ,       0,0.016621,0.002291,0.005391
twpcmbeC1.c1,2002,09 5:30:00,30 ,       0,1.024098,0.408837,0.293511
twpcmbeC1.c1,2002,09 6:30:00,30 ,3.313766,39.25153,22.81948,6.944603
twpcmbeC1.c1,2002,09 7:30:00,30 ,6.567755,79.08379,28.54784,17.57143
twpcmbeC1.c1,2002,09 8:30:00,30 ,3.338641,99.55936,34.48236,20.22671
twpcmbeC1.c1,2002,09 9:30:00,29 ,5.430266,124.3633,41.87719,26.60989
twpcmbeC1.c1,2002,0910:30:00,29 ,8.100953,147.5791,50.14713, 28.9409
twpcmbeC1.c1,2002,0911:30:00,29 ,11.40696,151.3116,60.27589,43.01268
twpcmbeC1.c1,2002,0912:30:00,29 ,3.948775,133.5833,51.75041,33.52167
twpcmbeC1.c1,2002,0913:30:00,29 ,1.391396,186.7131, 50.7106,39.48001
twpcmbeC1.c1,2002,0914:30:00,29 ,3.647968, 123.865, 43.6021,31.92039
twpcmbeC1.c1,2002,0915:30:00,29 ,2.177582,112.3739,35.19048,25.06344
twpcmbeC1.c1,2002,0916:30:00,29 ,3.777575, 124.451,31.48666,27.03788
twpcmbeC1.c1,2002,0917:30:00,29 ,2.330682, 52.3305, 25.3228,9.516917
twpcmbeC1.c1,2002,0918:30:00,29 ,0.107856,5.123342,2.792254,1.324714
twpcmbeC1.c1,2002,0919:30:00,29 ,       0,0.019454,0.000671,0.003613
twpcmbeC1.c1,2002,0920:30:00,29 ,       0,0.123186,0.005937,0.022985
twpcmbeC1.c1,2002,0921:30:00,29 ,       0,0.016477,0.001044,0.003461
twpcmbeC1.c1,2002,0922:30:00,29 ,       0,0.048498,0.003225,0.009827
twpcmbeC1.c1,2002,0923:30:00,29 ,       0,0.021102,0.002159,0.004751