datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2005,04 0:30:00,30 ,443.6123,458.5639, 450.695, 3.17175 twpcmbeC2.c1,2005,04 1:30:00,30 ,445.1208,457.4476,450.3826,2.904314 twpcmbeC2.c1,2005,04 2:30:00,29 ,444.5118,456.2007, 449.555,2.963193 twpcmbeC2.c1,2005,04 3:30:00,30 ,442.5864,455.2614, 448.846,3.009004 twpcmbeC2.c1,2005,04 4:30:00,30 ,443.0661,453.0023,448.2591,2.459576 twpcmbeC2.c1,2005,04 5:30:00,30 , 439.762,451.7906,447.5883,2.912378 twpcmbeC2.c1,2005,04 6:30:00,30 ,438.6034,452.3062,447.2352,2.976004 twpcmbeC2.c1,2005,04 7:30:00,30 ,441.9475, 460.385,453.3633,4.630361 twpcmbeC2.c1,2005,04 8:30:00,30 ,444.3562, 482.612,468.1066,9.060837 twpcmbeC2.c1,2005,04 9:30:00,30 ,444.0794,496.8595,481.2903,13.31547 twpcmbeC2.c1,2005,0410:30:00,30 ,445.5309,523.2341,496.1332,16.21368 twpcmbeC2.c1,2005,0411:30:00,30 ,446.1889,532.2375,504.6982,17.24054 twpcmbeC2.c1,2005,0412:30:00,30 ,449.4284, 545.856, 509.507,20.44424 twpcmbeC2.c1,2005,0413:30:00,30 , 456.857,545.0343,512.2521,16.59533 twpcmbeC2.c1,2005,0414:30:00,30 ,457.5499,539.5084, 508.899,15.93978 twpcmbeC2.c1,2005,0415:30:00,30 ,466.2473,526.1052,496.9108, 13.5543 twpcmbeC2.c1,2005,0416:30:00,30 , 457.462,505.5899,484.4839,12.98018 twpcmbeC2.c1,2005,0417:30:00,30 ,447.7374, 485.377,472.5569,9.887305 twpcmbeC2.c1,2005,0418:30:00,30 ,450.5752,467.1406,460.5281,4.688769 twpcmbeC2.c1,2005,0419:30:00,30 ,446.1952,460.9529,454.4596,3.527577 twpcmbeC2.c1,2005,0420:30:00,30 ,445.2443,459.7778, 453.024,3.546014 twpcmbeC2.c1,2005,0421:30:00,30 ,442.1075, 458.572,451.7534,3.742136 twpcmbeC2.c1,2005,0422:30:00,30 ,442.3477,458.6167, 450.795,3.836936 twpcmbeC2.c1,2005,0423:30:00,30 , 440.747,458.8982,450.6595,4.019144