datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,1997,06 0:30:00,25 ,1.565289,4.979341,3.568254,0.923264 sgpcmbeC1.c1,1997,06 1:30:00,25 ,1.621381, 4.87075,3.532901,0.857941 sgpcmbeC1.c1,1997,06 2:30:00,25 , 1.60545, 4.76814,3.501779, 0.83806 sgpcmbeC1.c1,1997,06 3:30:00,25 ,1.703076,4.818181,3.501982,0.855548 sgpcmbeC1.c1,1997,06 4:30:00,25 ,1.717765,4.801521,3.450099,0.847654 sgpcmbeC1.c1,1997,06 5:30:00,25 ,1.664716,4.824509,3.437235,0.861549 sgpcmbeC1.c1,1997,06 6:30:00,25 ,1.586081,5.012875,3.452585,0.919465 sgpcmbeC1.c1,1997,06 7:30:00,26 , 1.53, 5.13148,3.462706,0.932087 sgpcmbeC1.c1,1997,06 8:30:00,26 , 1.51796,5.364545, 3.47835,0.932262 sgpcmbeC1.c1,1997,06 9:30:00,26 ,1.476826, 5.15187,3.472897,0.904051 sgpcmbeC1.c1,1997,0610:30:00,25 ,1.516856,4.874634,3.507894,0.926047 sgpcmbeC1.c1,1997,0611:30:00,26 ,1.396323,5.094715,3.522565,0.927109 sgpcmbeC1.c1,1997,0612:30:00,25 , 1.39902,5.029916,3.502249,0.930533 sgpcmbeC1.c1,1997,0613:30:00,25 ,1.487808,5.104933,3.513635,0.903778 sgpcmbeC1.c1,1997,0614:30:00,25 ,1.468474,4.884832,3.470597,0.888558 sgpcmbeC1.c1,1997,0615:30:00,24 ,1.483754,4.814437,3.523719,0.808895 sgpcmbeC1.c1,1997,0616:30:00,24 ,1.663445,4.918868,3.534423,0.783888 sgpcmbeC1.c1,1997,0617:30:00,24 , 1.69137,4.961739,3.423389,0.869686 sgpcmbeC1.c1,1997,0618:30:00,26 ,1.856086,5.082363,3.529501,0.763998 sgpcmbeC1.c1,1997,0619:30:00,24 ,1.851609,5.082646,3.465771,0.776094 sgpcmbeC1.c1,1997,0620:30:00,24 ,1.871852,5.033915,3.471836,0.792018 sgpcmbeC1.c1,1997,0621:30:00,25 , 1.90271,4.746461,3.550135,0.785609 sgpcmbeC1.c1,1997,0622:30:00,25 ,1.967058,4.750056,3.604952, 0.79786 sgpcmbeC1.c1,1997,0623:30:00,24 ,1.903973,4.703606,3.583527,0.787986