datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1998,06 0:30:00,30 , 0,0.546946,0.045817,0.110066 twpcmbeC1.c1,1998,06 1:30:00,30 , 0,0.256166,0.035833,0.076954 twpcmbeC1.c1,1998,06 2:30:00,30 , 0,0.403201,0.040608,0.095808 twpcmbeC1.c1,1998,06 3:30:00,30 , 0,0.405491,0.039049, 0.0958 twpcmbeC1.c1,1998,06 4:30:00,30 , 0,0.734799,0.068161,0.153332 twpcmbeC1.c1,1998,06 5:30:00,30 , 0,0.717933,0.120847,0.201058 twpcmbeC1.c1,1998,06 6:30:00,30 , 3.02196, 30.8241,16.10696,7.058845 twpcmbeC1.c1,1998,06 7:30:00,30 ,2.820426,66.77749,21.94143, 15.9587 twpcmbeC1.c1,1998,06 8:30:00,30 ,3.171249,70.18346,30.10196,18.96287 twpcmbeC1.c1,1998,06 9:30:00,30 ,1.558959, 100.974,37.72193,23.77511 twpcmbeC1.c1,1998,0610:30:00,30 ,2.559381,137.3725,40.66911,33.59227 twpcmbeC1.c1,1998,0611:30:00,30 ,2.903253,135.7796,50.96687,36.19104 twpcmbeC1.c1,1998,0612:30:00,30 ,2.779872, 170.009,51.43003,41.50444 twpcmbeC1.c1,1998,0613:30:00,30 ,3.612725,160.6986,57.60375,44.50007 twpcmbeC1.c1,1998,0614:30:00,30 ,5.142323,122.7964,45.77527,30.77662 twpcmbeC1.c1,1998,0615:30:00,30 ,3.928828,177.9698, 42.6437,37.59166 twpcmbeC1.c1,1998,0616:30:00,30 ,3.853673,60.79561,18.85233,14.55778 twpcmbeC1.c1,1998,0617:30:00,30 , 3.61632,38.28473,17.07661,8.714718 twpcmbeC1.c1,1998,0618:30:00,30 , 0,5.251278,2.118977,1.483551 twpcmbeC1.c1,1998,0619:30:00,30 , 0,0.533363,0.040511,0.118788 twpcmbeC1.c1,1998,0620:30:00,30 , 0,0.338406,0.050437,0.096793 twpcmbeC1.c1,1998,0621:30:00,30 , 0,0.457772,0.085307,0.150867 twpcmbeC1.c1,1998,0622:30:00,30 , 0,0.489825,0.081845,0.134771 twpcmbeC1.c1,1998,0623:30:00,30 , 0,0.550226,0.070441,0.134132