datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,1999,05 0:30:00,31 ,444.1885,462.2216,451.5726, 4.54037 twpcmbeC2.c1,1999,05 1:30:00,31 ,442.8968,463.5388, 450.218,4.316953 twpcmbeC2.c1,1999,05 2:30:00,31 ,442.8332,462.9084,449.3144,3.993597 twpcmbeC2.c1,1999,05 3:30:00,31 , 441.341,455.1799,447.7754,3.465428 twpcmbeC2.c1,1999,05 4:30:00,31 , 440.503, 454.627, 447.194,3.593593 twpcmbeC2.c1,1999,05 5:30:00,31 ,439.2141,451.7803,446.4964,3.620674 twpcmbeC2.c1,1999,05 6:30:00,31 , 439.128,453.4193,446.2871,3.585908 twpcmbeC2.c1,1999,05 7:30:00,31 ,445.5648,458.2177,451.7033,3.382417 twpcmbeC2.c1,1999,05 8:30:00,31 ,458.9658, 480.27,468.3462,5.630438 twpcmbeC2.c1,1999,05 9:30:00,31 ,467.8813,504.2908,488.0405,8.583376 twpcmbeC2.c1,1999,0510:30:00,31 ,477.5565,525.7096,506.6552,10.48132 twpcmbeC2.c1,1999,0511:30:00,29 ,493.5789,533.5771,520.1089,9.568191 twpcmbeC2.c1,1999,0512:30:00,29 , 498.687,551.6586,530.0606, 10.9697 twpcmbeC2.c1,1999,0513:30:00,31 ,502.2608,547.5406,534.2031,9.258783 twpcmbeC2.c1,1999,0514:30:00,31 ,501.3167,545.7645,529.2543,8.894242 twpcmbeC2.c1,1999,0515:30:00,31 ,474.2004,534.7646,518.6732,11.39723 twpcmbeC2.c1,1999,0516:30:00,31 ,481.9564, 522.014,507.1542,8.493328 twpcmbeC2.c1,1999,0517:30:00,31 ,475.4642,503.5248,490.7571,5.679998 twpcmbeC2.c1,1999,0518:30:00,31 ,461.1689,482.5109, 472.259,3.862173 twpcmbeC2.c1,1999,0519:30:00,31 ,452.2116,469.6925,462.6079,3.561251 twpcmbeC2.c1,1999,0520:30:00,31 ,449.7211,467.3593,458.8846,3.741469 twpcmbeC2.c1,1999,0521:30:00,31 ,448.6855,462.9881,456.0761,3.387082 twpcmbeC2.c1,1999,0522:30:00,31 ,446.3699,463.3502,454.5426,3.788558 twpcmbeC2.c1,1999,0523:30:00,31 ,444.7432,460.0727,453.0535,3.783357