datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,29 ,       0,163.7374,9.493528,31.04211
sgpcmbeC1.c1,2005,09 1:30:00,28 ,       0,47.90558,4.734084,11.57198
sgpcmbeC1.c1,2005,09 2:30:00,29 ,       0,97.61013,6.411112,18.09963
sgpcmbeC1.c1,2005,09 3:30:00,29 ,       0,169.7232,12.34199,33.15838
sgpcmbeC1.c1,2005,09 4:30:00,29 ,       0,231.4525,19.67335,53.35633
sgpcmbeC1.c1,2005,09 5:30:00,29 ,       0,91.62498,7.762949,19.11322
sgpcmbeC1.c1,2005,09 6:30:00,29 ,       0,99.56637,8.658141,23.32422
sgpcmbeC1.c1,2005,09 7:30:00,29 ,       0,454.5367,26.95885,93.30362
sgpcmbeC1.c1,2005,09 8:30:00,30 ,       0,206.0269,19.34745,49.95186
sgpcmbeC1.c1,2005,09 9:30:00,30 ,       0,180.5269,13.81839,36.90104
sgpcmbeC1.c1,2005,0910:30:00,29 ,       0,73.72712,8.005785,17.23366
sgpcmbeC1.c1,2005,0911:30:00,29 ,       0,44.70217,5.886832,11.83287
sgpcmbeC1.c1,2005,0912:30:00,29 ,       0,119.4997,9.098862,25.21448
sgpcmbeC1.c1,2005,0913:30:00,28 ,       0,105.2847,6.858569,20.63853
sgpcmbeC1.c1,2005,0914:30:00,29 ,       0,194.6507,12.36119,37.70358
sgpcmbeC1.c1,2005,0915:30:00,29 ,       0,246.6706,19.25265,54.41447
sgpcmbeC1.c1,2005,0916:30:00,29 ,       0,287.6297,18.92084,62.38805
sgpcmbeC1.c1,2005,0917:30:00,29 ,       0,434.0289,20.64545,81.34352
sgpcmbeC1.c1,2005,0918:30:00,29 ,       0,104.5217,9.257304,22.92356
sgpcmbeC1.c1,2005,0919:30:00,29 ,       0,104.7222,10.22248,22.57975
sgpcmbeC1.c1,2005,0920:30:00,29 ,       0,153.8604,15.35965,34.28987
sgpcmbeC1.c1,2005,0921:30:00,28 ,       0,211.2558,18.50285,48.66646
sgpcmbeC1.c1,2005,0922:30:00,29 ,       0,137.1133,19.17313,39.90703
sgpcmbeC1.c1,2005,0923:30:00,29 ,       0,392.7238,19.82693,73.00152