datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2000,01 0:30:00,29 ,2.371566, 5.20048,3.688171,0.735508 twpcmbeC2.c1,2000,01 1:30:00,29 ,2.459275,5.261491,3.666562,0.705162 twpcmbeC2.c1,2000,01 2:30:00,29 ,2.500557,5.277124, 3.64382,0.729374 twpcmbeC2.c1,2000,01 3:30:00,29 ,2.491117,5.304524,3.651845,0.744912 twpcmbeC2.c1,2000,01 4:30:00,29 ,2.594764,5.275394,3.634001,0.732848 twpcmbeC2.c1,2000,01 5:30:00,29 , 2.59795,5.240059,3.632724,0.742185 twpcmbeC2.c1,2000,01 6:30:00,29 ,2.644923, 5.20612,3.679285,0.756063 twpcmbeC2.c1,2000,01 7:30:00,29 ,2.706484,5.141937,3.715926,0.786108 twpcmbeC2.c1,2000,01 8:30:00,29 ,2.664254,5.152499,3.662089,0.774637 twpcmbeC2.c1,2000,01 9:30:00,29 ,2.569011,5.199199, 3.59886,0.766703 twpcmbeC2.c1,2000,0110:30:00,29 ,2.491632,5.162186,3.594137,0.743631 twpcmbeC2.c1,2000,0111:30:00,29 ,2.468455,5.189721, 3.57767,0.731019 twpcmbeC2.c1,2000,0112:30:00,29 ,2.433491,5.132635,3.563141,0.762935 twpcmbeC2.c1,2000,0113:30:00,29 ,2.404217, 5.05338,3.576572,0.752633 twpcmbeC2.c1,2000,0114:30:00,29 ,2.353296,5.065811,3.568296,0.750805 twpcmbeC2.c1,2000,0115:30:00,28 ,2.342131,5.201228, 3.55896,0.765137 twpcmbeC2.c1,2000,0116:30:00,28 ,2.307263, 5.22704, 3.57049, 0.77555 twpcmbeC2.c1,2000,0117:30:00,28 ,2.459193,5.234086,3.595123,0.759058 twpcmbeC2.c1,2000,0118:30:00,28 ,2.455592,5.176493,3.624941, 0.76702 twpcmbeC2.c1,2000,0119:30:00,29 ,2.277456,5.202682,3.674107,0.763756 twpcmbeC2.c1,2000,0120:30:00,29 ,2.288452,5.356905,3.727618,0.791124 twpcmbeC2.c1,2000,0121:30:00,29 ,2.346218,5.195883,3.714883,0.741001 twpcmbeC2.c1,2000,0122:30:00,29 ,2.385198,5.228069, 3.69841,0.738977 twpcmbeC2.c1,2000,0123:30:00,29 ,2.388263,5.299388,3.660114,0.754114