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 6:30:00,29 ,220.8018,410.3907,331.2708,51.75199
sgpcmbeC1.c1,2002,04 7:30:00,29 ,222.1653,403.4633,332.9579,52.05386
sgpcmbeC1.c1,2002,04 8:30:00,29 ,223.7373,406.7315,334.2462,49.57765
sgpcmbeC1.c1,2002,04 9:30:00,29 ,225.7302,408.4738,342.3999,49.40375
sgpcmbeC1.c1,2002,0410:30:00,29 ,229.0929,416.2576,344.3707,49.28236
sgpcmbeC1.c1,2002,0411:30:00,29 ,232.3888,411.8119,343.9064,45.01216
sgpcmbeC1.c1,2002,0412:30:00,29 ,238.1532,416.0376,343.0212,42.22247
sgpcmbeC1.c1,2002,0413:30:00,28 , 242.422,409.1814,348.0596,40.76215
sgpcmbeC1.c1,2002,0414:30:00,28 , 244.139, 411.554,347.1735,40.43146
sgpcmbeC1.c1,2002,0415:30:00,28 ,245.1826,401.2437,346.0247,39.65107
sgpcmbeC1.c1,2002,0416:30:00,28 ,251.9268,411.0898,348.4038, 39.2457
sgpcmbeC1.c1,2002,0417:30:00,28 , 247.298,407.3326,346.8159,38.25937
sgpcmbeC1.c1,2002,0418:00:00,17 ,319.5085,412.2445,374.9595,36.74984
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