datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,12 0:30:00,31 ,       0,0.326601,0.027602,0.077646
twpcmbeC1.c1,2002,12 1:30:00,31 ,       0,0.854916, 0.06967,0.205555
twpcmbeC1.c1,2002,12 2:30:00,31 ,       0,0.762974,0.036981,0.144648
twpcmbeC1.c1,2002,12 3:30:00,31 ,       0,0.369814,0.022412, 0.07617
twpcmbeC1.c1,2002,12 4:30:00,31 ,       0,0.109022,0.003517,0.019581
twpcmbeC1.c1,2002,12 5:30:00,31 ,       0,0.004603,0.000368,0.000915
twpcmbeC1.c1,2002,12 6:30:00,31 ,       0,46.71109,21.34487,16.77988
twpcmbeC1.c1,2002,12 7:30:00,31 ,0.163467,252.5502,138.5607,86.53837
twpcmbeC1.c1,2002,12 8:30:00,31 ,0.387619,474.4579,284.3133,176.7841
twpcmbeC1.c1,2002,12 9:30:00,31 ,0.008667,647.9761,401.0294,228.8236
twpcmbeC1.c1,2002,1210:30:00,31 ,0.962463,797.1298,411.1765,304.4688
twpcmbeC1.c1,2002,1211:30:00,31 , 0.26856,879.6285,393.5614,346.0435
twpcmbeC1.c1,2002,1212:30:00,31 ,0.114971,887.3317,358.2147,327.2139
twpcmbeC1.c1,2002,1213:30:00,31 ,0.009178,828.5794,293.8009,281.2681
twpcmbeC1.c1,2002,1214:30:00,31 ,       0,705.8155,245.3845,230.4226
twpcmbeC1.c1,2002,1215:30:00,31 ,0.078091,527.5726,185.2058,169.9841
twpcmbeC1.c1,2002,1216:30:00,31 ,       0,313.3058,91.71439,103.5802
twpcmbeC1.c1,2002,1217:30:00,31 ,       0, 96.5816,26.40471,34.25852
twpcmbeC1.c1,2002,1218:30:00,31 ,9.537E-7,0.801117,0.089512,0.223017
twpcmbeC1.c1,2002,1219:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2002,1220:30:00,31 ,       0,0.362086,0.026759,0.085626
twpcmbeC1.c1,2002,1221:30:00,31 ,       0,  0.0578,0.003284,0.012837
twpcmbeC1.c1,2002,1222:30:00,31 ,       0,0.322966,0.014642,0.058777
twpcmbeC1.c1,2002,1223:30:00,31 ,       0,0.659678, 0.03721,0.126354