datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,11 0:30:00,29 ,       0,0.024017,0.001971,0.006321
twpcmbeC2.c1,2002,11 1:30:00,29 ,       0,0.048584,  0.0042,0.011687
twpcmbeC2.c1,2002,11 2:30:00,30 ,       0,0.040248,0.001342,0.007348
twpcmbeC2.c1,2002,11 3:30:00,29 ,       0, 0.01025,0.000687,0.002569
twpcmbeC2.c1,2002,11 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,11 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,11 6:30:00,30 ,0.164373, 14.8041,5.738734,3.254425
twpcmbeC2.c1,2002,11 7:30:00,30 ,7.767199,174.9269,101.5253,56.46107
twpcmbeC2.c1,2002,11 8:30:00,30 ,8.732922,450.9107,260.9704,145.9553
twpcmbeC2.c1,2002,11 9:30:00,30 , 9.47639, 674.098,415.7498,213.2744
twpcmbeC2.c1,2002,1110:30:00,30 ,27.33099,819.8282,545.5821,240.5531
twpcmbeC2.c1,2002,1111:30:00,30 , 18.8228,997.6764,652.8216,277.4208
twpcmbeC2.c1,2002,1112:30:00,30 ,36.01289,1049.875,674.6794,303.0744
twpcmbeC2.c1,2002,1113:30:00,30 ,73.10395,999.6841,662.9987,293.3388
twpcmbeC2.c1,2002,1114:30:00,30 ,44.84268,890.4347,612.5119,262.8141
twpcmbeC2.c1,2002,1115:30:00,30 ,16.82242,748.5554,479.9888,216.9291
twpcmbeC2.c1,2002,1116:30:00,30 ,22.22692,491.1171,314.8059,141.9602
twpcmbeC2.c1,2002,1117:30:00,30 ,7.166655, 286.511,152.2599,77.02225
twpcmbeC2.c1,2002,1118:30:00,30 , 2.94786,61.63299,22.01928,12.58782
twpcmbeC2.c1,2002,1119:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1120:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1121:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1122:30:00,30 ,       0,0.053607,0.003546,0.012308
twpcmbeC2.c1,2002,1123:30:00,30 ,       0,       0,       0,       0