datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,31 ,254.2283,338.2437,301.3939,19.60441
sgpcmbeC1.c1,2001,01 1:30:00,31 ,254.0712,337.1796,301.3889,18.80562
sgpcmbeC1.c1,2001,01 2:30:00,31 ,252.5169,339.1027,300.4307,18.82683
sgpcmbeC1.c1,2001,01 3:30:00,31 ,250.9179,335.7937, 300.097,18.57579
sgpcmbeC1.c1,2001,01 4:30:00,31 ,  248.99, 332.219,299.5701, 18.6379
sgpcmbeC1.c1,2001,01 5:30:00,31 ,249.6885,330.3986,299.1019,18.68913
sgpcmbeC1.c1,2001,01 6:30:00,31 ,251.0152,330.2727, 298.309,18.43692
sgpcmbeC1.c1,2001,01 7:30:00,31 , 254.062,329.1717,297.9264,18.16628
sgpcmbeC1.c1,2001,01 8:30:00,31 ,266.1588, 330.112,304.5844, 16.1911
sgpcmbeC1.c1,2001,01 9:30:00,31 ,275.7886,345.2548,314.9825,16.89383
sgpcmbeC1.c1,2001,0110:30:00,31 ,282.1424,358.4583,326.2284,19.79273
sgpcmbeC1.c1,2001,0111:30:00,31 ,283.3042,373.8622,336.9099,24.53481
sgpcmbeC1.c1,2001,0112:30:00,31 , 287.801,383.1547,344.7102,27.78055
sgpcmbeC1.c1,2001,0113:30:00,31 ,289.4641,390.2128,347.7212,28.36427
sgpcmbeC1.c1,2001,0114:30:00,31 ,286.2688,385.3588,347.3874,27.69292
sgpcmbeC1.c1,2001,0115:30:00,31 ,265.6833,376.2402,342.0019,26.49374
sgpcmbeC1.c1,2001,0116:30:00,31 , 272.737,361.7057, 332.586,20.75895
sgpcmbeC1.c1,2001,0117:30:00,31 , 266.703,357.0367,319.4218, 17.2512
sgpcmbeC1.c1,2001,0118:30:00,31 ,263.9485,356.2893,312.6088,16.77786
sgpcmbeC1.c1,2001,0119:30:00,31 ,271.5947,349.9641,310.2133,16.48319
sgpcmbeC1.c1,2001,0120:30:00,31 ,266.7164, 342.571,308.0243,16.54617
sgpcmbeC1.c1,2001,0121:30:00,31 ,260.8669,338.4498,306.2902,17.70858
sgpcmbeC1.c1,2001,0122:30:00,31 ,259.0999,340.1988,305.0717,18.08353
sgpcmbeC1.c1,2001,0123:30:00,31 ,260.8225,336.6341, 303.141, 18.2422