datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2005,03 0:30:00,30 ,0.270182,9.994332,4.138296,2.686727 twpcmbeC2.c1,2005,03 1:30:00,31 ,0.310059,6.923166, 2.9117, 1.88127 twpcmbeC2.c1,2005,03 2:30:00,30 ,1.206193,7.873203,2.881947,1.768119 twpcmbeC2.c1,2005,03 3:30:00,31 ,0.321379,10.59215,3.843433,2.655112 twpcmbeC2.c1,2005,03 4:30:00,31 ,0.659241,16.06794,4.932454,3.725733 twpcmbeC2.c1,2005,03 5:30:00,30 ,0.862103,10.17189,4.506199,2.497234 twpcmbeC2.c1,2005,03 6:30:00,30 , 0.98867, 12.4234, 4.42051, 2.97601 twpcmbeC2.c1,2005,03 7:30:00,30 ,0.508325,9.533108,4.210918,2.591364 twpcmbeC2.c1,2005,03 8:30:00,31 ,0.564933,12.42139,4.605946,3.311727 twpcmbeC2.c1,2005,03 9:30:00,31 ,0.414603,11.94864,4.502413,2.920877 twpcmbeC2.c1,2005,0310:30:00,31 ,0.744905,12.55422,4.648545,3.032145 twpcmbeC2.c1,2005,0311:30:00,31 , 0.75249, 12.1012,5.121321,2.682465 twpcmbeC2.c1,2005,0312:30:00,31 ,0.858048,13.32664,4.703701,3.218891 twpcmbeC2.c1,2005,0313:30:00,31 ,0.848141,10.21757,4.654959,2.697237 twpcmbeC2.c1,2005,0314:30:00,31 ,0.653286,11.36136,4.564757,2.753991 twpcmbeC2.c1,2005,0315:30:00,31 ,1.054852,11.69458,5.212545,3.097255 twpcmbeC2.c1,2005,0316:30:00,31 ,0.603842,11.50953,4.978608,3.330548 twpcmbeC2.c1,2005,0317:30:00,31 ,0.878698,12.95317,5.931408,3.552835 twpcmbeC2.c1,2005,0318:30:00,31 ,0.383897,11.55029,4.311297,2.908285 twpcmbeC2.c1,2005,0319:30:00,31 ,0.212487,12.02419,5.180848,3.436707 twpcmbeC2.c1,2005,0320:30:00,31 ,0.547117, 15.2378,4.568783,3.321558 twpcmbeC2.c1,2005,0321:30:00,31 ,0.688259, 13.8471,4.928916,3.788241 twpcmbeC2.c1,2005,0322:30:00,31 ,0.482031,12.75097,4.432798,3.148091 twpcmbeC2.c1,2005,0323:30:00,31 ,0.324474,10.76903,4.225764,2.697256