datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,27 ,0.478409,5.675164,1.530448,1.138711
sgpcmbeC1.c1,1999,05 1:30:00,28 ,0.397692,4.878447,1.506812,1.117124
sgpcmbeC1.c1,1999,05 2:30:00,28 ,0.347596,5.502055,1.408444,0.999789
sgpcmbeC1.c1,1999,05 3:30:00,28 , 0.28358,3.022579,1.320845,0.731208
sgpcmbeC1.c1,1999,05 4:30:00,28 ,0.407502,3.423316,1.267374,0.748742
sgpcmbeC1.c1,1999,05 5:30:00,28 ,0.409697,8.422637,1.928728,1.856306
sgpcmbeC1.c1,1999,05 6:30:00,28 ,0.585616,7.763188,3.354268,2.311951
sgpcmbeC1.c1,1999,05 7:30:00,28 ,  0.9169,8.192135,4.187584, 2.07138
sgpcmbeC1.c1,1999,05 8:30:00,28 ,0.833161,11.17395,4.742465,2.958052
sgpcmbeC1.c1,1999,05 9:30:00,29 ,1.675919,23.76211, 6.51037, 4.50017
sgpcmbeC1.c1,1999,0510:30:00,29 ,0.898343,20.11884,5.985634,4.265694
sgpcmbeC1.c1,1999,0511:30:00,29 ,1.274736,11.09776,4.609725,2.427343
sgpcmbeC1.c1,1999,0512:30:00,29 , 0.75764,18.56054,5.555347,3.850926
sgpcmbeC1.c1,1999,0513:30:00,29 ,0.787435,12.10258,4.698069,3.149621
sgpcmbeC1.c1,1999,0514:30:00,29 ,1.439216,10.73598,  4.8403,2.651821
sgpcmbeC1.c1,1999,0515:30:00,29 ,1.253373,13.93157,4.718486,2.559314
sgpcmbeC1.c1,1999,0516:30:00,29 ,1.138867,9.551228,4.149741,1.798466
sgpcmbeC1.c1,1999,0517:30:00,29 ,0.926829,8.050035,3.866007,1.674504
sgpcmbeC1.c1,1999,0518:30:00,29 ,1.061027,8.892028,4.644166,1.723723
sgpcmbeC1.c1,1999,0519:30:00,29 ,0.881965,8.004287,3.607907,1.961286
sgpcmbeC1.c1,1999,0520:30:00,29 ,0.427868,3.652047,1.820105,0.945482
sgpcmbeC1.c1,1999,0521:30:00,29 ,0.330704,9.389047,1.818329,1.705138
sgpcmbeC1.c1,1999,0522:30:00,29 ,0.256334,5.207433, 1.66576,1.172181
sgpcmbeC1.c1,1999,0523:30:00,28 ,0.337007,3.994124,1.546936,0.958652