datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,01 0:30:00,31 ,0.407013,17.89633,3.383938,4.639725
sgpcmbeC1.c1,2007,01 1:30:00,31 ,0.466825,21.46848,2.671638,3.971997
sgpcmbeC1.c1,2007,01 2:30:00,31 ,0.527856,26.87743,3.376937,5.497914
sgpcmbeC1.c1,2007,01 3:30:00,31 ,0.484412,30.72171,2.824794,5.638873
sgpcmbeC1.c1,2007,01 4:30:00,30 ,0.378785,8.191952, 1.70243,1.800929
sgpcmbeC1.c1,2007,01 5:30:00,31 ,0.218421,15.42568,2.595615,3.596713
sgpcmbeC1.c1,2007,01 6:30:00,31 ,0.354035,17.78438,2.743855,4.442582
sgpcmbeC1.c1,2007,01 7:30:00,30 ,0.392347,23.45331,2.646264,4.742428
sgpcmbeC1.c1,2007,01 8:30:00,31 ,0.369463,24.26339,2.600882,4.532547
sgpcmbeC1.c1,2007,01 9:30:00,30 ,0.462387,7.972988,2.716791,2.269795
sgpcmbeC1.c1,2007,0110:30:00,31 ,0.395361,11.37749,2.385496,2.271406
sgpcmbeC1.c1,2007,0111:30:00,31 ,0.325713,16.37242,3.084948, 4.52979
sgpcmbeC1.c1,2007,0112:30:00,31 , 0.48341,24.40052,3.461104,5.748766
sgpcmbeC1.c1,2007,0113:30:00,30 ,0.399617,20.31425,2.398895,3.777531
sgpcmbeC1.c1,2007,0114:30:00,30 ,0.515655,26.23927,3.575597,5.317044
sgpcmbeC1.c1,2007,0115:30:00,31 ,0.398531,14.51562,2.187937, 2.87712
sgpcmbeC1.c1,2007,0116:30:00,30 ,0.195082,20.32841,2.723224,4.038997
sgpcmbeC1.c1,2007,0117:30:00,29 ,0.318369,19.88106,2.917075,4.123395
sgpcmbeC1.c1,2007,0118:30:00,31 ,0.325975,18.68762, 2.41354,3.896692
sgpcmbeC1.c1,2007,0119:30:00,31 ,0.419334,8.373632,1.891283,1.836154
sgpcmbeC1.c1,2007,0120:30:00,31 ,0.352036,6.736616,1.815454,1.814622
sgpcmbeC1.c1,2007,0121:30:00,31 , 0.39997,19.53031,2.599394, 3.93777
sgpcmbeC1.c1,2007,0122:30:00,30 , 0.23043,9.460322,2.217993,2.816338
sgpcmbeC1.c1,2007,0123:30:00,31 ,0.428366,33.03958,3.904841,7.490045