datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,04 0:30:00,30 ,       0,0.064804,0.007169,0.018976
twpcmbeC2.c1,2006,04 1:30:00,30 ,       0,0.073859, 0.00758,0.019067
twpcmbeC2.c1,2006,04 2:30:00,30 ,       0,0.065822,0.003306,0.013283
twpcmbeC2.c1,2006,04 3:30:00,30 ,       0,0.174326,0.006495,0.031919
twpcmbeC2.c1,2006,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2006,04 5:30:00,30 ,       0,0.135653,0.004522,0.024767
twpcmbeC2.c1,2006,04 6:30:00,30 ,1.440626,5.217445,2.982441,0.952923
twpcmbeC2.c1,2006,04 7:30:00,30 ,9.605019,35.66377,22.00018,6.255051
twpcmbeC2.c1,2006,04 8:30:00,30 ,2.695667,52.55416,25.71876,13.18682
twpcmbeC2.c1,2006,04 9:30:00,30 ,4.107635,76.85368,30.43887,18.06443
twpcmbeC2.c1,2006,0410:30:00,30 ,7.912608,90.70827,41.11051, 20.8007
twpcmbeC2.c1,2006,0411:30:00,30 ,14.75825,92.34422,49.84637,21.25439
twpcmbeC2.c1,2006,0412:30:00,30 ,8.943289,110.5252,50.60887,24.82023
twpcmbeC2.c1,2006,0413:30:00,30 ,12.40178,155.8085,49.12566,26.79927
twpcmbeC2.c1,2006,0414:30:00,30 ,6.337653,194.2673,47.47476,37.53908
twpcmbeC2.c1,2006,0415:30:00,30 ,10.17351,111.9458,37.89854,25.53841
twpcmbeC2.c1,2006,0416:30:00,30 ,3.016366,59.65757,24.91512,10.82364
twpcmbeC2.c1,2006,0417:30:00,30 ,5.328476,69.70164,23.03001,15.14613
twpcmbeC2.c1,2006,0418:30:00,30 ,13.31492,44.66433,26.08273,7.511126
twpcmbeC2.c1,2006,0419:30:00,30 ,0.174547,1.895871,0.634313,0.460654
twpcmbeC2.c1,2006,0420:30:00,30 ,       0, 0.04711,0.002291,0.009339
twpcmbeC2.c1,2006,0421:30:00,30 ,       0,0.057638,0.003031,0.010885
twpcmbeC2.c1,2006,0422:30:00,30 ,       0,0.050438,0.008517,0.016733
twpcmbeC2.c1,2006,0423:30:00,30 ,       0,0.107371,0.006873,0.022787