datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,3 ,       0,12.64178,6.810233,6.377462
sgpcmbeC1.c1,2007,08 1:30:00,3 ,       0,8.147806,3.708099,4.122878
sgpcmbeC1.c1,2007,08 2:30:00,3 ,0.656934,3.356895,1.809239,1.392722
sgpcmbeC1.c1,2007,08 3:30:00,3 ,0.198957,2.797579,1.405364,1.309238
sgpcmbeC1.c1,2007,08 4:30:00,3 ,1.020481, 21.5269, 8.19756,11.55491
sgpcmbeC1.c1,2007,08 5:30:00,3 ,0.694404,19.37579,7.524057,10.30362
sgpcmbeC1.c1,2007,08 6:30:00,3 ,0.347424,21.91948,8.273358,11.86924
sgpcmbeC1.c1,2007,08 7:30:00,3 , 1.18726,21.40016,8.269175,11.38349
sgpcmbeC1.c1,2007,08 8:30:00,3 ,2.063448,15.08212,6.497565,7.435796
sgpcmbeC1.c1,2007,08 9:30:00,3 ,1.002136,17.10928,7.139592,8.710598
sgpcmbeC1.c1,2007,0810:30:00,2 ,5.320243,32.50031,18.91028,19.21921
sgpcmbeC1.c1,2007,0811:30:00,2 , 5.57205,27.54278,16.55742,15.53565
sgpcmbeC1.c1,2007,0812:30:00,2 ,9.543671,29.31416,19.42892,13.97985
sgpcmbeC1.c1,2007,0813:30:00,2 , 4.60199,25.66678,15.13439,14.89506
sgpcmbeC1.c1,2007,0814:30:00,2 ,1.192991,16.30396,8.748476,10.68507
sgpcmbeC1.c1,2007,0815:30:00,2 ,0.861629,9.672198,5.266913,6.230013
sgpcmbeC1.c1,2007,0816:30:00,2 ,0.187552,11.39566,5.791606,7.925329
sgpcmbeC1.c1,2007,0817:30:00,2 ,0.625011,9.404524,5.014768,6.208053
sgpcmbeC1.c1,2007,0818:30:00,2 ,0.122023, 8.21944,4.170731,5.725739
sgpcmbeC1.c1,2007,0819:30:00,2 ,0.565181,8.018283,4.291732,5.270139
sgpcmbeC1.c1,2007,0820:30:00,2 ,0.852386,8.801871,4.827129,5.621134
sgpcmbeC1.c1,2007,0821:30:00,2 ,       0,8.133622,4.066811,5.751339
sgpcmbeC1.c1,2007,0822:30:00,2 ,0.623844,7.918811,4.271327,5.158321
sgpcmbeC1.c1,2007,0823:30:00,2 ,0.333568,7.731394,4.032481,5.231053