datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,01 0:30:00,31 ,0.313763,12.54868,4.326677,3.620008 twpcmbeC1.c1,2002,01 1:30:00,31 ,0.332481,16.15184,3.818681,3.658594 twpcmbeC1.c1,2002,01 2:30:00,31 ,0.391519,8.357929,2.982032,2.571339 twpcmbeC1.c1,2002,01 3:30:00,31 ,0.335734,13.26342,3.844864, 3.81726 twpcmbeC1.c1,2002,01 4:30:00,31 , 0.4347, 14.0049,4.858262,3.704353 twpcmbeC1.c1,2002,01 5:30:00,31 ,0.377838, 14.5075,3.742499, 3.28663 twpcmbeC1.c1,2002,01 6:30:00,31 ,0.399424,11.99639,3.642968,3.068522 twpcmbeC1.c1,2002,01 7:30:00,31 ,0.736565, 15.461,4.240323,3.224967 twpcmbeC1.c1,2002,01 8:30:00,31 ,0.774895,12.77003,4.298891,2.979962 twpcmbeC1.c1,2002,01 9:30:00,31 ,0.543175,12.19039,5.007992,3.437896 twpcmbeC1.c1,2002,0110:30:00,31 ,0.978842, 9.86077,4.298556,2.565263 twpcmbeC1.c1,2002,0111:30:00,31 ,0.978306,13.86922,4.536449,3.186528 twpcmbeC1.c1,2002,0112:30:00,31 ,0.632607,10.84845, 3.97305,3.137983 twpcmbeC1.c1,2002,0113:30:00,31 ,0.607446,12.12236,3.403075,3.306219 twpcmbeC1.c1,2002,0114:30:00,31 ,0.390623,13.65028,4.083984,3.363126 twpcmbeC1.c1,2002,0115:30:00,31 ,0.433428, 10.0756,3.758393,2.829184 twpcmbeC1.c1,2002,0116:30:00,31 ,0.517553, 8.39685,2.851347, 2.1811 twpcmbeC1.c1,2002,0117:30:00,31 ,0.773558,10.22111,3.684625, 2.99563 twpcmbeC1.c1,2002,0118:30:00,31 ,0.449458,8.419003,3.284097,2.102917 twpcmbeC1.c1,2002,0119:30:00,31 ,0.450572,12.81375,4.392223,3.372489 twpcmbeC1.c1,2002,0120:30:00,31 ,0.464259,8.940166,2.939023,2.189542 twpcmbeC1.c1,2002,0121:30:00,31 ,0.304527,11.23137,3.627986,3.210442 twpcmbeC1.c1,2002,0122:30:00,31 ,0.462167, 11.5368,3.729035,3.460611 twpcmbeC1.c1,2002,0123:30:00,31 ,0.492716,10.23006,3.709604,3.008661