datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,02 0:30:00,28 ,       0,0.694837,0.126799,0.174702
twpcmbeC1.c1,2002,02 1:30:00,28 ,       0,0.680069,0.104527,0.158985
twpcmbeC1.c1,2002,02 2:30:00,28 ,       0,0.460111,0.085099,0.129581
twpcmbeC1.c1,2002,02 3:30:00,28 ,       0,0.457759,0.062503,0.129967
twpcmbeC1.c1,2002,02 4:30:00,28 ,       0,0.261042, 0.04912, 0.08938
twpcmbeC1.c1,2002,02 5:30:00,28 ,       0,0.164752,0.015514,0.041436
twpcmbeC1.c1,2002,02 6:30:00,28 ,0.597604,42.03605,21.45197,10.43313
twpcmbeC1.c1,2002,02 7:30:00,28 ,2.361803,108.7257,59.96372,29.67545
twpcmbeC1.c1,2002,02 8:30:00,28 ,6.894608,180.8793,85.56049,48.96297
twpcmbeC1.c1,2002,02 9:30:00,28 , 2.97954,222.6369,102.4429,62.18592
twpcmbeC1.c1,2002,0210:30:00,28 , 6.31005,309.7664,129.2972, 75.9228
twpcmbeC1.c1,2002,0211:30:00,28 ,19.35793,305.3251,135.5517,89.38986
twpcmbeC1.c1,2002,0212:30:00,28 ,6.324449,412.0877,124.6855,92.05593
twpcmbeC1.c1,2002,0213:30:00,28 ,6.049714,405.0026,137.3482,90.84572
twpcmbeC1.c1,2002,0214:30:00,28 ,16.34545,249.6351,113.6124,73.05014
twpcmbeC1.c1,2002,0215:30:00,28 ,13.52916,231.5457,105.9538,62.61557
twpcmbeC1.c1,2002,0216:30:00,28 ,13.50945,182.4927,79.42184, 42.4879
twpcmbeC1.c1,2002,0217:30:00,28 , 9.29035,101.8339,46.01255,24.25639
twpcmbeC1.c1,2002,0218:30:00,28 ,4.511428,25.60774,  13.658,5.430478
twpcmbeC1.c1,2002,0219:30:00,28 ,       0, 0.10782,0.007225,0.026591
twpcmbeC1.c1,2002,0220:30:00,28 ,       0,0.375003,0.046723,0.094875
twpcmbeC1.c1,2002,0221:30:00,28 ,       0,0.472848,0.064488,0.127768
twpcmbeC1.c1,2002,0222:30:00,28 ,       0,0.638724,0.088224,0.165766
twpcmbeC1.c1,2002,0223:30:00,28 ,       0,0.471064,0.111386,0.153524