datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,07 0:30:00,26 ,4.198648,6.288707,5.206687,0.533678 twpcmbeC2.c1,2004,07 1:30:00,26 ,4.094341,6.254092,5.198074,0.492181 twpcmbeC2.c1,2004,07 2:30:00,26 ,3.739986,6.468467,5.168894,0.555626 twpcmbeC2.c1,2004,07 3:30:00,26 ,3.412363,6.002177,5.124489,0.589073 twpcmbeC2.c1,2004,07 4:30:00,24 ,3.175269,6.065462,5.119134,0.642521 twpcmbeC2.c1,2004,07 5:30:00,27 ,3.118464,6.465823,5.242038,0.704858 twpcmbeC2.c1,2004,07 6:30:00,26 ,3.212069,6.061148,5.130088,0.625081 twpcmbeC2.c1,2004,07 7:30:00,26 ,3.326709,6.091941, 5.13573,0.598315 twpcmbeC2.c1,2004,07 8:30:00,27 ,3.566879,6.492868,5.134455, 0.64543 twpcmbeC2.c1,2004,07 9:30:00,27 ,3.815102,6.291929,5.112142,0.593285 twpcmbeC2.c1,2004,0710:30:00,26 , 3.60391,5.752712,5.067453,0.583432 twpcmbeC2.c1,2004,0711:30:00,28 , 3.56742,6.286314,5.126944,0.620021 twpcmbeC2.c1,2004,0712:30:00,25 ,3.561889,6.049437,5.058794, 0.60053 twpcmbeC2.c1,2004,0713:30:00,26 ,3.518783,5.932029,5.095044,0.617258 twpcmbeC2.c1,2004,0714:30:00,26 ,3.459363,5.835502,5.086891,0.605544 twpcmbeC2.c1,2004,0715:30:00,26 ,3.534104,5.911442,5.075325,0.595107 twpcmbeC2.c1,2004,0716:30:00,26 ,3.683601,5.891423,5.092936,0.614403 twpcmbeC2.c1,2004,0717:30:00,26 ,3.741061,5.948174,5.078503,0.587104 twpcmbeC2.c1,2004,0718:30:00,25 ,3.693002, 5.91225,5.062381,0.534143 twpcmbeC2.c1,2004,0719:30:00,26 ,3.700625,6.390698,5.152061,0.613297 twpcmbeC2.c1,2004,0720:30:00,26 , 3.73493,5.913064,5.169935,0.567968 twpcmbeC2.c1,2004,0721:30:00,25 ,3.763036,5.869688,5.217255,0.565101 twpcmbeC2.c1,2004,0722:30:00,25 ,3.804228,6.429487, 5.35867,0.598816 twpcmbeC2.c1,2004,0723:30:00,26 ,4.064307,6.799686,5.335393, 0.64029