datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1999,06 0:30:00,15 ,438.9462,457.5676,447.7337, 5.33186 twpcmbeC1.c1,1999,06 1:30:00,15 ,438.7856,455.6864,445.9452,4.676272 twpcmbeC1.c1,1999,06 2:30:00,15 ,436.9983,455.6593,445.4126,5.455421 twpcmbeC1.c1,1999,06 3:30:00,15 ,436.0263,454.3737,445.3858,5.427006 twpcmbeC1.c1,1999,06 4:30:00,15 , 434.954,453.5968,445.2771,5.868832 twpcmbeC1.c1,1999,06 5:30:00,15 ,436.0217,454.0417,445.5765,6.404327 twpcmbeC1.c1,1999,06 6:30:00,15 ,439.9137,456.7387,448.3348,5.628331 twpcmbeC1.c1,1999,06 7:30:00,15 ,448.8768, 478.173,464.9308,9.027563 twpcmbeC1.c1,1999,06 8:30:00,15 ,456.6467,494.6736,480.9834,10.58472 twpcmbeC1.c1,1999,06 9:30:00,15 ,472.8487,509.4801,498.8378,9.027422 twpcmbeC1.c1,1999,0610:30:00,15 ,483.3042, 519.095,509.1384,11.17905 twpcmbeC1.c1,1999,0611:30:00,15 ,478.6028,529.7889,511.0348,15.92223 twpcmbeC1.c1,1999,0612:30:00,15 ,473.1363,528.5964,510.9375,18.72447 twpcmbeC1.c1,1999,0613:30:00,16 ,481.6357, 528.818,514.3982,14.51039 twpcmbeC1.c1,1999,0614:30:00,16 ,454.1755,521.7675,506.1315,19.75795 twpcmbeC1.c1,1999,0615:30:00,16 ,470.2709,511.8728,496.0947,13.52577 twpcmbeC1.c1,1999,0616:30:00,16 , 457.089,501.1766,485.6549,13.00484 twpcmbeC1.c1,1999,0617:30:00,16 ,454.5896,476.7357,467.8009,6.952235 twpcmbeC1.c1,1999,0618:30:00,16 ,445.2832,462.1082,455.1094,4.373058 twpcmbeC1.c1,1999,0619:30:00,16 ,440.8122,458.9424,452.4893,4.559149 twpcmbeC1.c1,1999,0620:30:00,16 ,443.1982,461.4518,452.2681,4.083871 twpcmbeC1.c1,1999,0621:30:00,16 ,440.7061, 456.529,450.7877,4.268124 twpcmbeC1.c1,1999,0622:30:00,16 ,439.4815,455.8918, 449.354,4.498374 twpcmbeC1.c1,1999,0623:30:00,16 ,437.4685, 456.135,448.4306,4.833927