datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,05 0:30:00,25 ,       0, 133.412,20.45407,29.00918
twpcmbeC2.c1,2005,05 1:30:00,25 ,       0,159.6808,24.47374,33.65217
twpcmbeC2.c1,2005,05 2:30:00,24 ,       0, 83.4638,20.91194,25.43953
twpcmbeC2.c1,2005,05 3:30:00,25 ,       0,103.7516,23.09222,26.20195
twpcmbeC2.c1,2005,05 4:30:00,26 ,       0,81.76404,21.13432,22.19501
twpcmbeC2.c1,2005,05 5:30:00,25 ,       0,97.72945, 18.2142,26.22478
twpcmbeC2.c1,2005,05 6:30:00,26 ,       0,108.0955,22.58649,29.10994
twpcmbeC2.c1,2005,05 7:30:00,25 ,       0,53.39149,14.68436,16.01498
twpcmbeC2.c1,2005,05 8:30:00,27 ,       0, 134.619,19.96225,34.98243
twpcmbeC2.c1,2005,05 9:30:00,28 ,       0,105.1462,18.13123,27.17496
twpcmbeC2.c1,2005,0510:30:00,27 ,       0,89.71616,19.68479,24.71779
twpcmbeC2.c1,2005,0511:30:00,27 ,       0,94.45472,25.00722,29.47972
twpcmbeC2.c1,2005,0512:30:00,26 ,0.479537,114.8374,28.50646,32.16009
twpcmbeC2.c1,2005,0513:30:00,27 ,       0,106.0468,21.85133,28.26272
twpcmbeC2.c1,2005,0514:30:00,26 ,       0,137.8768,38.01294,41.11366
twpcmbeC2.c1,2005,0515:30:00,27 ,       0,128.2597,27.19382,31.54691
twpcmbeC2.c1,2005,0516:30:00,28 ,       0,72.05049,24.22381,24.73112
twpcmbeC2.c1,2005,0517:30:00,28 ,       0,104.1206,21.23252,  24.113
twpcmbeC2.c1,2005,0518:30:00,27 ,       0,114.0786, 24.4555,30.97871
twpcmbeC2.c1,2005,0519:30:00,28 ,       0,89.95907,22.30688,25.25682
twpcmbeC2.c1,2005,0520:30:00,27 ,       0,68.99206,19.89652,20.72547
twpcmbeC2.c1,2005,0521:30:00,26 ,       0,66.05027,18.12525,19.03613
twpcmbeC2.c1,2005,0522:30:00,27 ,       0,136.1587,22.72444,31.13491
twpcmbeC2.c1,2005,0523:30:00,27 ,       0,170.1486,33.15646,43.36415