datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,04 0:30:00,30 ,441.6251,461.6254, 454.125,4.800306 twpcmbeC2.c1,2004,04 1:30:00,30 ,442.5609,460.9886,453.7265,4.741828 twpcmbeC2.c1,2004,04 2:30:00,30 ,443.3627,461.0818,453.0508,5.254809 twpcmbeC2.c1,2004,04 3:30:00,30 ,442.6949, 461.801,452.7022,5.499233 twpcmbeC2.c1,2004,04 4:30:00,30 , 443.777,461.5585,452.5857,5.210583 twpcmbeC2.c1,2004,04 5:30:00,30 ,444.2265,461.6567,452.3849,4.874287 twpcmbeC2.c1,2004,04 6:30:00,30 ,443.7407,460.4108,452.3116,4.981249 twpcmbeC2.c1,2004,04 7:30:00,30 ,445.4199,463.6516, 457.142,3.997347 twpcmbeC2.c1,2004,04 8:30:00,30 ,445.7291,480.5762,467.9442,9.404079 twpcmbeC2.c1,2004,04 9:30:00,30 ,447.4323,502.6823,480.3577,12.75411 twpcmbeC2.c1,2004,0410:30:00,30 ,451.5482,507.6495,489.4121,12.87188 twpcmbeC2.c1,2004,0411:30:00,30 ,457.3394, 517.825,493.6053,16.17335 twpcmbeC2.c1,2004,0412:30:00,30 ,459.2243,532.0634,498.8587,17.44117 twpcmbeC2.c1,2004,0413:30:00,30 ,454.6648,525.5001,496.0029,16.03393 twpcmbeC2.c1,2004,0414:30:00,30 ,455.6485,519.8202, 493.373,16.36204 twpcmbeC2.c1,2004,0415:30:00,30 ,448.3182,522.5409,489.8663,16.88862 twpcmbeC2.c1,2004,0416:30:00,30 ,450.4611,503.5661,482.6076,12.59369 twpcmbeC2.c1,2004,0417:30:00,30 ,449.2856,485.3357,472.5816,8.774359 twpcmbeC2.c1,2004,0418:30:00,30 ,449.5898,470.9245,462.5984,5.776916 twpcmbeC2.c1,2004,0419:30:00,30 ,449.1901,465.3086,457.5184,4.795961 twpcmbeC2.c1,2004,0420:30:00,30 ,447.5291, 462.933,456.3845,4.622902 twpcmbeC2.c1,2004,0421:30:00,30 ,446.5797,463.3033,456.0198,4.667436 twpcmbeC2.c1,2004,0422:30:00,30 ,444.4691,462.2731,455.6099, 4.69691 twpcmbeC2.c1,2004,0423:30:00,30 ,445.0475, 463.014,454.9789,4.327438