datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1999,04 0:30:00,30 ,0.350191,5.032358,1.502265,0.947795 twpcmbeC1.c1,1999,04 1:30:00,30 ,0.324832,3.255901,1.125655, 0.65097 twpcmbeC1.c1,1999,04 2:30:00,30 ,0.447206,3.428998,1.124994,0.607868 twpcmbeC1.c1,1999,04 3:30:00,30 ,0.499463,4.604951,1.129092,0.747686 twpcmbeC1.c1,1999,04 4:30:00,30 ,0.302894,3.065863,1.047798,0.567113 twpcmbeC1.c1,1999,04 5:30:00,30 ,0.388842,4.269365,1.379749, 0.75803 twpcmbeC1.c1,1999,04 6:30:00,30 ,0.670494,8.249139,4.198092,1.867068 twpcmbeC1.c1,1999,04 7:30:00,30 , 3.37449,12.91128,7.286899,2.348087 twpcmbeC1.c1,1999,04 8:30:00,30 ,3.053434,13.88556,8.056908, 2.44296 twpcmbeC1.c1,1999,04 9:30:00,30 ,0.929483,13.12281,7.066169,2.447642 twpcmbeC1.c1,1999,0410:30:00,30 ,1.818333,21.78421,7.049652,4.315429 twpcmbeC1.c1,1999,0411:30:00,30 ,0.959971,24.31116,9.177148,6.893361 twpcmbeC1.c1,1999,0412:30:00,30 , 1.46136,34.73171,7.952701,7.648981 twpcmbeC1.c1,1999,0413:30:00,30 ,1.688811,22.66309,7.654285,6.198115 twpcmbeC1.c1,1999,0414:30:00,30 ,1.515447,22.54941,7.333337, 4.83162 twpcmbeC1.c1,1999,0415:30:00,30 ,1.799026,18.95917,8.287024,4.449796 twpcmbeC1.c1,1999,0416:30:00,30 ,1.423492,13.58598,6.939506,2.963821 twpcmbeC1.c1,1999,0417:30:00,30 ,1.074627,13.88025,7.302234,2.857935 twpcmbeC1.c1,1999,0418:30:00,30 ,0.497201,4.497425,1.974124,1.002469 twpcmbeC1.c1,1999,0419:30:00,30 ,0.278768,1.821567,0.893648,0.386392 twpcmbeC1.c1,1999,0420:30:00,30 ,0.409237,2.588303,0.934317,0.462115 twpcmbeC1.c1,1999,0421:30:00,30 ,0.263662,2.573906,1.000977,0.408435 twpcmbeC1.c1,1999,0422:30:00,30 ,0.382308,2.268087,1.043209,0.485042 twpcmbeC1.c1,1999,0423:30:00,30 ,0.308049,2.822505,1.352523,0.681651