datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2001,08 0:30:00,31 ,0.494533,13.92031,4.129932,3.576947 twpcmbeC1.c1,2001,08 1:30:00,31 ,0.582392,8.965792,4.028137,2.487866 twpcmbeC1.c1,2001,08 2:30:00,31 ,0.591018,14.05838,3.965169,3.296484 twpcmbeC1.c1,2001,08 3:30:00,31 ,0.397359,14.07563,4.625917,3.526348 twpcmbeC1.c1,2001,08 4:30:00,31 ,0.543335,12.05499,4.051466,2.994693 twpcmbeC1.c1,2001,08 5:30:00,31 , 0.37249,15.34966, 5.42533,4.036011 twpcmbeC1.c1,2001,08 6:30:00,31 ,0.749944,13.32646,4.765417,3.231599 twpcmbeC1.c1,2001,08 7:30:00,31 ,1.323147,18.37279,5.798907,3.971234 twpcmbeC1.c1,2001,08 8:30:00,31 ,0.727556,14.01623,5.735455,3.295677 twpcmbeC1.c1,2001,08 9:30:00,30 ,0.674615,10.53835, 4.59658,2.769452 twpcmbeC1.c1,2001,0810:30:00,30 ,0.727956,11.41546,4.033257,2.416442 twpcmbeC1.c1,2001,0811:30:00,30 ,0.579738,18.15711,4.712335,4.436385 twpcmbeC1.c1,2001,0812:30:00,30 ,0.758088,16.35488,5.077415,3.822635 twpcmbeC1.c1,2001,0813:30:00,30 ,0.898512,17.43213,5.449412,3.523868 twpcmbeC1.c1,2001,0814:30:00,30 ,0.875971,14.66058,4.904582,3.373087 twpcmbeC1.c1,2001,0815:30:00,30 ,0.805695,13.99299,5.021342,3.544987 twpcmbeC1.c1,2001,0816:30:00,30 ,0.406853,13.43901,4.415554,3.273769 twpcmbeC1.c1,2001,0817:30:00,30 , 0.51807,11.91165,4.617675,3.313589 twpcmbeC1.c1,2001,0818:30:00,31 ,0.453376,11.30541,4.068739,2.803651 twpcmbeC1.c1,2001,0819:30:00,31 ,0.718513,12.11039,3.633375,2.953084 twpcmbeC1.c1,2001,0820:30:00,31 ,0.501039,18.41003,4.303752,4.055108 twpcmbeC1.c1,2001,0821:30:00,31 ,0.525394,9.972128,4.356737,2.458015 twpcmbeC1.c1,2001,0822:30:00,31 ,0.400151, 8.84411,3.614068,2.453264 twpcmbeC1.c1,2001,0823:30:00,31 , 0.59663,11.73279,4.061774,3.057758