datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2004,02 0:00:00,29 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,02 1:00:00,29 ,       0,0.359211,0.017882,0.072001
twpcmbeC3.c1,2004,02 2:00:00,29 ,       0,0.147002,0.005069,0.027298
twpcmbeC3.c1,2004,02 3:00:00,29 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,02 4:00:00,29 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,02 5:00:00,29 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,02 6:00:00,29 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,02 7:00:00,29 ,       0,10.79173,3.366516,2.876104
twpcmbeC3.c1,2004,02 8:00:00,28 ,0.265346,17.59727,7.791345,5.101527
twpcmbeC3.c1,2004,02 9:00:00,28 ,0.380678,31.42046,13.16989,8.356072
twpcmbeC3.c1,2004,0210:00:00,27 ,2.158363,45.45742,22.52608,11.37207
twpcmbeC3.c1,2004,0211:00:00,28 ,1.977419,50.13523,23.47575,14.67198
twpcmbeC3.c1,2004,0212:00:00,27 ,1.028125, 62.4814,29.40718,16.22667
twpcmbeC3.c1,2004,0213:00:00,27 ,1.191694,57.66159,24.90659,17.34142
twpcmbeC3.c1,2004,0214:00:00,27 ,0.906154, 78.3716,21.94679,19.97134
twpcmbeC3.c1,2004,0215:00:00,29 ,1.357313,71.00347,  18.429,17.35477
twpcmbeC3.c1,2004,0216:00:00,29 ,1.095901,40.47659,12.30593,10.59378
twpcmbeC3.c1,2004,0217:00:00,28 ,0.654356,27.08612,9.047658,7.210359
twpcmbeC3.c1,2004,0218:00:00,29 ,0.182953,14.31145, 4.84402, 4.04317
twpcmbeC3.c1,2004,0219:00:00,29 ,       0,6.710155,2.494714,1.918772
twpcmbeC3.c1,2004,0220:00:00,29 ,       0,0.029927,0.001032,0.005557
twpcmbeC3.c1,2004,0221:00:00,29 ,       0,0.032071,0.001106,0.005956
twpcmbeC3.c1,2004,0222:00:00,29 ,       0,1.119825,0.038615,0.207946
twpcmbeC3.c1,2004,0223:00:00,29 ,       0,       0,       0,       0