datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2005,06 0:30:00,30 ,0.282678,1.996437,0.868684,0.388517 twpcmbeC1.c1,2005,06 1:30:00,30 ,0.214288,3.797775,1.115769,0.773577 twpcmbeC1.c1,2005,06 2:30:00,30 ,0.303183, 3.68742,1.046738,0.672974 twpcmbeC1.c1,2005,06 3:30:00,30 ,0.292724,2.713175,1.177023,0.599293 twpcmbeC1.c1,2005,06 4:30:00,30 ,0.458257,2.066683,1.127071,0.471333 twpcmbeC1.c1,2005,06 5:30:00,30 ,0.240707,3.037492,1.123376,0.533915 twpcmbeC1.c1,2005,06 6:30:00,30 ,0.769077,6.028792,2.876465,1.282578 twpcmbeC1.c1,2005,06 7:30:00,30 ,0.693531,12.66491,6.117622,2.701144 twpcmbeC1.c1,2005,06 8:30:00,30 ,1.475965,10.23852,5.539723,2.168764 twpcmbeC1.c1,2005,06 9:30:00,30 ,2.930638,15.91688,6.638622,2.969494 twpcmbeC1.c1,2005,0610:30:00,30 , 0.60257,20.98652,7.320174, 4.38489 twpcmbeC1.c1,2005,0611:30:00,30 ,2.654635,13.96208,6.684115,2.838919 twpcmbeC1.c1,2005,0612:30:00,30 ,0.879059,16.20511,7.315199,4.117721 twpcmbeC1.c1,2005,0613:30:00,30 ,0.888565, 22.9286,7.244102, 5.08364 twpcmbeC1.c1,2005,0614:30:00,30 ,0.957607,15.18756, 6.28628,3.957152 twpcmbeC1.c1,2005,0615:30:00,30 ,1.004475,16.45576,6.209319, 3.26348 twpcmbeC1.c1,2005,0616:30:00,30 ,0.505994,16.38584,6.137666,3.351777 twpcmbeC1.c1,2005,0617:30:00,30 , 0.45729,8.684879,4.299613,2.312429 twpcmbeC1.c1,2005,0618:30:00,30 ,0.230935,3.272498,1.501015,0.772875 twpcmbeC1.c1,2005,0619:30:00,30 ,0.401892,3.143681,0.922996,0.536012 twpcmbeC1.c1,2005,0620:30:00,30 ,0.354307,1.966545,0.851498,0.376129 twpcmbeC1.c1,2005,0621:30:00,30 , 0.20844,1.916771,0.801889,0.433508 twpcmbeC1.c1,2005,0622:30:00,30 ,0.210758, 2.05116,0.932766,0.467793 twpcmbeC1.c1,2005,0623:30:00,30 ,0.274362,2.670003,0.978838,0.487084