datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,08 0:30:00,31 ,0.512746,16.00095,4.362516,4.169329
twpcmbeC2.c1,2005,08 1:30:00,31 ,0.423732,15.47388,4.168616,3.556131
twpcmbeC2.c1,2005,08 2:30:00,31 ,0.574794,15.66819,3.991057,3.817633
twpcmbeC2.c1,2005,08 3:30:00,31 ,0.595969,14.53174,4.798205,4.329937
twpcmbeC2.c1,2005,08 4:30:00,31 ,0.686565,12.25178,4.260645,3.104321
twpcmbeC2.c1,2005,08 5:30:00,31 ,0.499607,16.15179,5.475003,4.107124
twpcmbeC2.c1,2005,08 6:30:00,31 ,0.561492, 11.7231,3.453601,3.138018
twpcmbeC2.c1,2005,08 7:30:00,31 ,0.572662,13.27019,4.469973,3.012348
twpcmbeC2.c1,2005,08 8:30:00,31 ,0.537372,13.78938,3.840372,2.977901
twpcmbeC2.c1,2005,08 9:30:00,31 ,1.025651,16.94034,4.892725,3.453855
twpcmbeC2.c1,2005,0810:30:00,31 ,0.740582,11.21989,4.345936,2.328391
twpcmbeC2.c1,2005,0811:30:00,31 , 1.19024,9.041243,4.596084,2.148804
twpcmbeC2.c1,2005,0812:30:00,31 , 1.15362,13.82391,5.205208,2.540002
twpcmbeC2.c1,2005,0813:30:00,31 ,1.306454,9.737318,4.721364,2.182474
twpcmbeC2.c1,2005,0814:30:00,31 ,  1.0814,13.39551,5.225447,3.324298
twpcmbeC2.c1,2005,0815:30:00,31 ,1.120044,10.60335,4.719828,2.668152
twpcmbeC2.c1,2005,0816:30:00,31 ,0.874647, 13.2045,4.907795,3.569978
twpcmbeC2.c1,2005,0817:30:00,31 , 0.67936,15.94686,5.504802,3.926134
twpcmbeC2.c1,2005,0818:30:00,31 ,0.623309,10.01076,4.289858,3.118583
twpcmbeC2.c1,2005,0819:30:00,31 ,0.424142,9.353897,3.578779,2.790365
twpcmbeC2.c1,2005,0820:30:00,31 ,0.514416,11.38844,3.781172,3.109261
twpcmbeC2.c1,2005,0821:30:00,31 ,0.459196,11.45912,3.931949,3.326288
twpcmbeC2.c1,2005,0822:30:00,31 ,0.634105,12.26467,4.170558,3.715483
twpcmbeC2.c1,2005,0823:30:00,31 ,0.534931,15.98559,  3.9278, 3.72609