datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2001,03 0:30:00,30 ,       0,0.113915,0.052675,0.028412
twpcmbeC2.c1,2001,03 1:30:00,31 ,       0,0.129851,0.048056, 0.03391
twpcmbeC2.c1,2001,03 2:30:00,31 ,       0, 0.10506,0.038756, 0.03032
twpcmbeC2.c1,2001,03 3:30:00,31 ,       0,0.143669,0.039153,0.034436
twpcmbeC2.c1,2001,03 4:30:00,31 ,       0, 0.09405,0.034399,0.026475
twpcmbeC2.c1,2001,03 5:30:00,31 ,       0,0.510316,0.022429,0.091706
twpcmbeC2.c1,2001,03 6:30:00,31 ,0.338865,2.569709,1.159773, 0.58753
twpcmbeC2.c1,2001,03 7:30:00,31 ,17.26797,49.73106,28.16747,7.718265
twpcmbeC2.c1,2001,03 8:30:00,31 ,11.73263,54.16658,28.45099,11.58753
twpcmbeC2.c1,2001,03 9:30:00,31 ,8.879407,103.5903, 42.5641,21.99793
twpcmbeC2.c1,2001,0310:30:00,31 ,18.08306,135.1119,59.36473,30.47105
twpcmbeC2.c1,2001,0311:30:00,31 ,22.37741,184.0745,67.12913,31.74819
twpcmbeC2.c1,2001,0312:30:00,31 ,13.43095, 146.109,62.51233,31.05521
twpcmbeC2.c1,2001,0313:30:00,31 ,  14.149,193.0394,69.17797,34.06552
twpcmbeC2.c1,2001,0314:30:00,31 ,12.11911,147.1406,59.17216,28.42945
twpcmbeC2.c1,2001,0315:30:00,31 ,15.25991,158.1746,50.99438, 25.1449
twpcmbeC2.c1,2001,0316:30:00,31 ,12.08424,98.02914,39.24103,20.19234
twpcmbeC2.c1,2001,0317:30:00,31 ,4.030598,65.55305,26.60967,14.38973
twpcmbeC2.c1,2001,0318:30:00,31 ,13.09692,47.37411,27.48382,9.512055
twpcmbeC2.c1,2001,0319:30:00,31 ,0.074317,3.466991,1.622571,0.866875
twpcmbeC2.c1,2001,0320:30:00,31 ,       0,0.130733,0.014276,0.030141
twpcmbeC2.c1,2001,0321:30:00,31 ,       0,0.143638,0.039998,0.034805
twpcmbeC2.c1,2001,0322:30:00,31 ,       0,0.156509,0.047554,0.034332
twpcmbeC2.c1,2001,0323:30:00,31 ,       0,0.133181,0.052983,0.029397