datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,02 0:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 1:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 2:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 3:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 4:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 5:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 6:30:00,29 ,1.910713,29.78493,16.13751,6.901152
twpcmbeC1.c1,2004,02 7:30:00,29 ,2.088578,63.39353,28.42396,15.94363
twpcmbeC1.c1,2004,02 8:30:00,29 ,2.611673,63.61652,27.73441,16.65358
twpcmbeC1.c1,2004,02 9:30:00,29 ,8.718585,114.2949,42.76184,27.53056
twpcmbeC1.c1,2004,0210:30:00,29 ,9.256959,113.0006,47.69958,28.50479
twpcmbeC1.c1,2004,0211:30:00,29 ,8.090961, 124.401,  56.034,29.73917
twpcmbeC1.c1,2004,0212:30:00,29 ,3.323878,161.2205,69.22527,45.25398
twpcmbeC1.c1,2004,0213:30:00,29 ,5.213068,104.7221,50.37736,26.11319
twpcmbeC1.c1,2004,0214:30:00,29 ,1.730991,113.9437,51.07521,33.37775
twpcmbeC1.c1,2004,0215:30:00,29 , 4.04578,135.8072,46.91228,34.11899
twpcmbeC1.c1,2004,0216:30:00,29 ,1.546657,99.64769,33.09036,22.84515
twpcmbeC1.c1,2004,0217:30:00,29 ,7.199761,47.45836,25.12711,11.12451
twpcmbeC1.c1,2004,0218:30:00,29 , 0.63298,17.21302,9.025824,5.239475
twpcmbeC1.c1,2004,0219:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0220:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0221:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0222:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0223:30:00,29 ,       0,       0,       0,       0