datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2003,07 0:30:00,30 ,2.658949,4.944265,3.731865,0.575868 sgpcmbeC1.c1,2003,07 1:30:00,30 ,2.734798,4.866356,3.706653,0.571971 sgpcmbeC1.c1,2003,07 2:30:00,30 ,2.561934,4.719234,3.696098,0.559364 sgpcmbeC1.c1,2003,07 3:30:00,30 ,2.558298,5.187682,3.702649,0.616764 sgpcmbeC1.c1,2003,07 4:30:00,29 ,2.500482,4.744929,3.631386,0.607394 sgpcmbeC1.c1,2003,07 5:30:00,29 ,2.524714,5.167706,3.645081, 0.64496 sgpcmbeC1.c1,2003,07 6:30:00,29 ,2.496254,5.183424,3.645529,0.659315 sgpcmbeC1.c1,2003,07 7:30:00,28 ,2.461688,4.769111,3.528015,0.583015 sgpcmbeC1.c1,2003,07 8:30:00,29 ,2.514678,4.907148,3.541116,0.620202 sgpcmbeC1.c1,2003,07 9:30:00,30 ,2.537014,5.001427,3.551224,0.631906 sgpcmbeC1.c1,2003,0710:30:00,30 ,2.442554,4.872936,3.535153,0.628252 sgpcmbeC1.c1,2003,0711:30:00,30 , 2.46498, 5.00531,3.543201,0.658008 sgpcmbeC1.c1,2003,0712:30:00,30 ,2.580608,5.035495,3.556303,0.651944 sgpcmbeC1.c1,2003,0713:30:00,30 ,2.638771,5.067044,3.584206,0.632465 sgpcmbeC1.c1,2003,0714:30:00,30 ,2.562407, 5.11509,3.639752,0.624998 sgpcmbeC1.c1,2003,0715:30:00,30 ,2.454273, 4.89895,3.623177,0.603222 sgpcmbeC1.c1,2003,0716:30:00,30 ,2.436012,4.872396,3.666409, 0.62515 sgpcmbeC1.c1,2003,0717:30:00,30 ,2.450445,4.781124,3.676412,0.596828 sgpcmbeC1.c1,2003,0718:30:00,30 ,2.497954,4.798274,3.667892,0.556411 sgpcmbeC1.c1,2003,0719:30:00,30 ,2.468152,4.872273,3.678292,0.564299 sgpcmbeC1.c1,2003,0720:30:00,30 ,2.721714,5.246666,3.696719,0.577441 sgpcmbeC1.c1,2003,0721:30:00,30 ,2.882145,4.781901,3.691826,0.486222 sgpcmbeC1.c1,2003,0722:30:00,30 ,2.793661, 4.85384,3.699112,0.502601 sgpcmbeC1.c1,2003,0723:30:00,30 ,2.640026,4.848994,3.719344,0.533608