datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,11 0:30:00,30 ,       0,0.537671,0.035981,0.118371
sgpcmbeC1.c1,2004,11 1:30:00,30 ,       0,0.292707,0.013993,0.054724
sgpcmbeC1.c1,2004,11 2:30:00,30 ,       0,0.269515, 0.01278,0.052345
sgpcmbeC1.c1,2004,11 3:30:00,30 ,       0,0.284479,0.024795,0.077378
sgpcmbeC1.c1,2004,11 4:30:00,30 ,       0,0.068538,0.002891,0.012835
sgpcmbeC1.c1,2004,11 5:30:00,30 ,       0,0.049647,0.001847,0.009089
sgpcmbeC1.c1,2004,11 6:30:00,30 ,       0, 0.05581,0.002471,0.010587
sgpcmbeC1.c1,2004,11 7:30:00,30 ,       0,48.24971,6.698257,14.40311
sgpcmbeC1.c1,2004,11 8:30:00,30 ,       0,215.5935,38.15643,69.46924
sgpcmbeC1.c1,2004,11 9:30:00,30 ,0.000154,385.9104,90.02963,135.8352
sgpcmbeC1.c1,2004,1110:30:00,30 ,       0,516.2934,143.7576,191.9503
sgpcmbeC1.c1,2004,1111:30:00,30 , 0.04068,570.8272,173.2283,221.9042
sgpcmbeC1.c1,2004,1112:30:00,30 , 0.00412,572.3968, 189.067,231.0228
sgpcmbeC1.c1,2004,1113:30:00,30 ,0.051834,535.6116, 151.715,208.6408
sgpcmbeC1.c1,2004,1114:30:00,30 ,       0,431.1446, 127.073,168.8718
sgpcmbeC1.c1,2004,1115:30:00,30 ,0.000305,275.6163,74.71109,107.6696
sgpcmbeC1.c1,2004,1116:30:00,30 ,       0,105.1184,24.71437,38.45269
sgpcmbeC1.c1,2004,1117:30:00,30 ,       0,5.477349,0.686888,1.457954
sgpcmbeC1.c1,2004,1118:30:00,30 ,       0, 0.19989,0.024531,0.054294
sgpcmbeC1.c1,2004,1119:30:00,30 ,       0,0.055978,0.003914, 0.01273
sgpcmbeC1.c1,2004,1120:30:00,30 ,       0,0.758863,0.042012,0.141588
sgpcmbeC1.c1,2004,1121:30:00,30 ,       0,0.327545, 0.02099,0.073418
sgpcmbeC1.c1,2004,1122:30:00,30 ,       0,0.132073, 0.01137,0.032737
sgpcmbeC1.c1,2004,1123:30:00,30 ,       0,0.424735,0.062707,0.125592