datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,       0, 4.51548,1.295579,1.558339
sgpcmbeC1.c1,2006,04 1:30:00,30 ,       0,4.508708,1.257797,1.594044
sgpcmbeC1.c1,2006,04 2:30:00,30 ,       0,4.606932,1.273058,1.579593
sgpcmbeC1.c1,2006,04 3:30:00,30 ,       0,4.643724,1.205468, 1.52711
sgpcmbeC1.c1,2006,04 4:30:00,29 ,       0,4.652068,1.169052,1.461009
sgpcmbeC1.c1,2006,04 5:30:00,30 ,       0,5.475316,1.694006,1.544872
sgpcmbeC1.c1,2006,04 6:30:00,30 ,1.666937,116.3179,45.69627, 30.7516
sgpcmbeC1.c1,2006,04 7:30:00,30 ,3.891076,318.7517,179.9069,100.9524
sgpcmbeC1.c1,2006,04 8:30:00,30 ,6.011405,524.9282, 351.539,160.4179
sgpcmbeC1.c1,2006,04 9:30:00,30 ,8.488369,706.9658,509.9349,213.0531
sgpcmbeC1.c1,2006,0410:30:00,30 ,29.64388,850.4828,620.7269,267.0993
sgpcmbeC1.c1,2006,0411:30:00,30 ,23.81012,940.2479, 678.357,297.2867
sgpcmbeC1.c1,2006,0412:30:00,30 ,39.42921,972.3951,761.1126,291.4563
sgpcmbeC1.c1,2006,0413:30:00,30 ,82.94297,937.8914,751.1186,248.9828
sgpcmbeC1.c1,2006,0414:30:00,30 ,66.05283,846.8875,640.5983,244.7637
sgpcmbeC1.c1,2006,0415:30:00,30 ,13.73742,698.9111,516.9847,212.1267
sgpcmbeC1.c1,2006,0416:30:00,30 ,7.729507,509.6756,365.8931,146.0795
sgpcmbeC1.c1,2006,0417:30:00,30 ,1.696901,297.3853,207.6503,82.36999
sgpcmbeC1.c1,2006,0418:30:00,30 ,0.450611,101.0832,55.31159,28.72795
sgpcmbeC1.c1,2006,0419:30:00,30 ,       0,7.340426,1.807839,1.757733
sgpcmbeC1.c1,2006,0420:30:00,30 ,       0,4.414272,0.940667,1.216484
sgpcmbeC1.c1,2006,0421:30:00,30 ,       0, 4.80304,1.033054,1.317531
sgpcmbeC1.c1,2006,0422:30:00,30 ,       0,4.711731,1.216348, 1.54504
sgpcmbeC1.c1,2006,0423:30:00,30 ,       0,4.662565,1.053724,1.501532