datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,04 0:30:00,30 ,240.5862,404.3885,325.5948,43.94761
sgpcmbeC1.c1,2002,04 1:30:00,30 ,234.6183, 397.632,324.6903,   46.42
sgpcmbeC1.c1,2002,04 2:30:00,30 ,232.1048,399.3788,326.3516,47.26594
sgpcmbeC1.c1,2002,04 3:30:00,30 , 228.905, 405.331,327.4774,48.99207
sgpcmbeC1.c1,2002,04 4:30:00,30 ,225.3941,403.0518,327.2756,49.09489
sgpcmbeC1.c1,2002,04 5:30:00,30 ,222.2861,404.5648,328.3972,51.57355
sgpcmbeC1.c1,2002,04 6:30:00,30 ,220.8018,410.3907,333.4555,52.24073
sgpcmbeC1.c1,2002,04 7:30:00,30 ,222.1653,403.4633,335.1548,52.54484
sgpcmbeC1.c1,2002,04 8:30:00,30 ,223.7373,406.7315,336.4396,50.17488
sgpcmbeC1.c1,2002,04 9:30:00,30 ,225.7302,408.4738,344.2918,49.63816
sgpcmbeC1.c1,2002,0410:30:00,30 ,229.0929,416.2576,346.1515,49.39773
sgpcmbeC1.c1,2002,0411:30:00,30 ,232.3888,411.8119,345.8068,45.43762
sgpcmbeC1.c1,2002,0412:30:00,30 ,238.1532,416.0376,344.9535,42.81683
sgpcmbeC1.c1,2002,0413:30:00,30 , 242.422,409.1814,349.1361,41.24976
sgpcmbeC1.c1,2002,0414:30:00,30 , 244.139,412.2445,348.5141,41.07813
sgpcmbeC1.c1,2002,0415:30:00,30 ,245.1826,410.0189,347.3876,40.26766
sgpcmbeC1.c1,2002,0416:30:00,30 ,251.9268,411.0898,348.3546,38.34464
sgpcmbeC1.c1,2002,0417:30:00,30 , 247.298,407.3326,346.6441,37.25555
sgpcmbeC1.c1,2002,0418:30:00,30 ,246.4826,403.5301,341.4766,36.44627
sgpcmbeC1.c1,2002,0419:30:00,30 ,246.5458,402.8463,339.4453,38.08032
sgpcmbeC1.c1,2002,0420:30:00,30 ,245.5898,397.7025,339.7881, 39.8531
sgpcmbeC1.c1,2002,0421:30:00,30 ,250.2649,410.0177,339.2995,39.84166
sgpcmbeC1.c1,2002,0422:30:00,30 ,252.8655, 407.243,336.6165,41.53934
sgpcmbeC1.c1,2002,0423:30:00,30 ,252.2354,412.5053,335.9537,41.65618