datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,04 0:30:00,30 ,0.542409,12.69251,3.008397,2.656038 twpcmbeC1.c1,2002,04 1:30:00,30 ,0.311305,11.90718,3.766148,2.801052 twpcmbeC1.c1,2002,04 2:30:00,30 ,0.447958, 12.1023, 3.4171,3.131245 twpcmbeC1.c1,2002,04 3:30:00,30 ,0.361765,9.589875, 3.36261, 2.64656 twpcmbeC1.c1,2002,04 4:30:00,30 ,0.427732,13.05775,3.431973,2.726007 twpcmbeC1.c1,2002,04 5:30:00,30 ,0.458026,8.672871,2.867935,2.523702 twpcmbeC1.c1,2002,04 6:30:00,30 ,0.535296,12.36769,2.535303,2.582041 twpcmbeC1.c1,2002,04 7:30:00,30 ,0.706045,13.82323, 3.53197,3.092976 twpcmbeC1.c1,2002,04 8:30:00,30 ,0.583656,11.98362,4.067217,2.862646 twpcmbeC1.c1,2002,04 9:30:00,30 ,0.773831,9.538501,3.201962, 2.47133 twpcmbeC1.c1,2002,0410:30:00,30 ,0.870263,11.31127,3.628657,2.919626 twpcmbeC1.c1,2002,0411:30:00,30 ,0.903555,6.141444,3.005198,1.636829 twpcmbeC1.c1,2002,0412:30:00,30 ,0.730959, 7.344,2.993463,2.218838 twpcmbeC1.c1,2002,0413:30:00,30 ,0.658947,11.49889,3.332918, 2.71697 twpcmbeC1.c1,2002,0414:30:00,30 ,0.414395,12.17861,4.310354,3.344902 twpcmbeC1.c1,2002,0415:30:00,30 ,0.554518,8.693703,4.020099,2.114842 twpcmbeC1.c1,2002,0416:30:00,30 , 0.26102,9.683564,3.577957,2.550697 twpcmbeC1.c1,2002,0417:30:00,30 ,0.436491,12.71018,3.867177,3.191194 twpcmbeC1.c1,2002,0418:30:00,30 ,0.572725,10.82361,3.991811,3.325292 twpcmbeC1.c1,2002,0419:30:00,30 ,0.285937,8.857783,2.184138,2.198704 twpcmbeC1.c1,2002,0420:30:00,30 ,0.511168,12.98556,3.749853,3.762303 twpcmbeC1.c1,2002,0421:30:00,30 ,0.361351,9.627993,2.882169,2.552269 twpcmbeC1.c1,2002,0422:30:00,30 ,0.719527,7.331511,2.790132,1.756919 twpcmbeC1.c1,2002,0423:30:00,30 ,0.283433,10.94477,3.890939,2.423093