datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,07 0:30:00,30 ,434.4257,457.0596,444.7797,4.643683 twpcmbeC2.c1,2004,07 1:30:00,30 ,436.4375,455.7702,444.5557,4.574793 twpcmbeC2.c1,2004,07 2:30:00,30 ,434.5784,456.4001,444.5903,5.043205 twpcmbeC2.c1,2004,07 3:30:00,30 ,435.4868,457.0459,444.8663,5.420766 twpcmbeC2.c1,2004,07 4:30:00,30 ,434.9088,457.7701,444.4819,5.613808 twpcmbeC2.c1,2004,07 5:30:00,30 ,430.3193,456.8871,443.4266,5.762617 twpcmbeC2.c1,2004,07 6:30:00,30 ,428.8685,454.7004,442.1386,5.298204 twpcmbeC2.c1,2004,07 7:30:00,30 , 439.97,457.5009,449.6114,3.608375 twpcmbeC2.c1,2004,07 8:30:00,30 ,454.0275,476.6877,468.1446,5.120654 twpcmbeC2.c1,2004,07 9:30:00,31 ,455.8459,499.1293,482.1212,8.737033 twpcmbeC2.c1,2004,0710:30:00,31 ,468.4164,514.2677,495.6958,10.30649 twpcmbeC2.c1,2004,0711:30:00,31 ,474.2168,529.4717,504.1536,10.95779 twpcmbeC2.c1,2004,0712:30:00,31 ,479.5383,535.2648,508.9002,12.77896 twpcmbeC2.c1,2004,0713:30:00,31 ,483.2922, 542.603,508.7122,13.49531 twpcmbeC2.c1,2004,0714:30:00,31 ,463.6118,526.2708,502.2303, 13.7706 twpcmbeC2.c1,2004,0715:30:00,30 ,474.1396,517.5899,498.1197,10.46844 twpcmbeC2.c1,2004,0716:30:00,30 ,471.6466,501.6146,488.4352,7.901426 twpcmbeC2.c1,2004,0717:30:00,30 ,461.0883,490.4077, 476,6.328471 twpcmbeC2.c1,2004,0718:30:00,30 ,451.2332,472.7213,459.6681,4.782922 twpcmbeC2.c1,2004,0719:30:00,30 ,442.3963,464.5728,450.3908,4.475262 twpcmbeC2.c1,2004,0720:30:00,30 ,438.0548,461.9223,449.0018,4.640391 twpcmbeC2.c1,2004,0721:30:00,30 ,435.6649,458.6079,447.4366,4.510989 twpcmbeC2.c1,2004,0722:30:00,30 ,435.1188,458.5834,447.0336,4.448987 twpcmbeC2.c1,2004,0723:30:00,30 ,433.9907,456.6631,445.7368,4.463456