datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,28 ,       0,161.6404, 10.6578,31.92572
sgpcmbeC1.c1,2006,07 1:30:00,28 ,       0,137.4795,14.48863,32.54883
sgpcmbeC1.c1,2006,07 2:30:00,27 ,       0,62.20718,6.760322,15.29581
sgpcmbeC1.c1,2006,07 3:30:00,27 ,       0,464.2047,24.81415, 89.3735
sgpcmbeC1.c1,2006,07 4:30:00,28 ,       0, 406.099,25.05494, 79.2475
sgpcmbeC1.c1,2006,07 5:30:00,28 ,       0,135.9023,11.85347,32.65604
sgpcmbeC1.c1,2006,07 6:30:00,28 ,       0, 330.541, 18.0519,63.11242
sgpcmbeC1.c1,2006,07 7:30:00,29 ,       0, 218.541,19.36528, 52.2046
sgpcmbeC1.c1,2006,07 8:30:00,30 ,       0,197.9208,16.88207,47.04108
sgpcmbeC1.c1,2006,07 9:30:00,29 ,       0,347.9322,  27.942,76.40725
sgpcmbeC1.c1,2006,0710:30:00,30 ,       0,178.8844, 17.2932,44.83939
sgpcmbeC1.c1,2006,0711:30:00,30 ,       0,166.9812,18.51016,44.24049
sgpcmbeC1.c1,2006,0712:30:00,30 ,       0,331.1358, 21.6418,64.58931
sgpcmbeC1.c1,2006,0713:30:00,29 ,       0,181.3867,24.39156, 49.9568
sgpcmbeC1.c1,2006,0714:30:00,28 ,       0,194.1813,24.09144,45.70536
sgpcmbeC1.c1,2006,0715:30:00,25 ,       0,78.68755,12.63512,23.22585
sgpcmbeC1.c1,2006,0716:30:00,27 ,       0,67.56716,11.20422,20.38503
sgpcmbeC1.c1,2006,0717:30:00,28 ,       0,116.8421,9.161196,26.64281
sgpcmbeC1.c1,2006,0718:30:00,28 ,       0,135.8768,10.08395,28.38479
sgpcmbeC1.c1,2006,0719:30:00,27 ,       0,46.01038,3.951024,9.207796
sgpcmbeC1.c1,2006,0720:30:00,28 ,       0, 97.0728,12.62501,29.62343
sgpcmbeC1.c1,2006,0721:30:00,27 ,       0,100.1027,9.960858,25.30479
sgpcmbeC1.c1,2006,0722:30:00,27 ,       0,115.4396,11.05249,28.62932
sgpcmbeC1.c1,2006,0723:30:00,28 ,       0,106.6606,8.648263,24.85999