datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,30 ,       0,5.020151,0.434264,1.310277
sgpcmbeC1.c1,2001,06 1:30:00,29 ,       0,4.893379,0.348987,1.108564
sgpcmbeC1.c1,2001,06 2:30:00,29 ,       0,5.012524,0.571899,1.488683
sgpcmbeC1.c1,2001,06 3:30:00,29 ,       0,6.310544,0.496894,1.436884
sgpcmbeC1.c1,2001,06 4:30:00,30 ,       0,6.187896,0.429922,1.334477
sgpcmbeC1.c1,2001,06 5:30:00,30 ,0.211903,28.39317,17.56745,7.567468
sgpcmbeC1.c1,2001,06 6:30:00,30 ,18.74673,185.3572,121.2709,54.69869
sgpcmbeC1.c1,2001,06 7:30:00,30 ,65.21251,388.5584,277.7442,111.4862
sgpcmbeC1.c1,2001,06 8:30:00,30 , 96.2893,583.6097,452.5182,150.2552
sgpcmbeC1.c1,2001,06 9:30:00,30 ,49.91024,758.2853,587.7589,214.7282
sgpcmbeC1.c1,2001,0610:30:00,30 ,8.034089,887.1105,721.2993,213.2557
sgpcmbeC1.c1,2001,0611:30:00,30 ,87.91532,990.7145,798.7543,200.0644
sgpcmbeC1.c1,2001,0612:30:00,30 ,371.5444,995.8629,866.7646,161.5931
sgpcmbeC1.c1,2001,0613:30:00,30 ,213.1171,1006.947,833.7423,175.8636
sgpcmbeC1.c1,2001,0614:30:00,30 ,98.49804, 915.845,751.5828,181.4736
sgpcmbeC1.c1,2001,0615:30:00,30 ,194.4509,778.7294,651.1904,125.9804
sgpcmbeC1.c1,2001,0616:30:00,30 ,140.1327,581.1672, 479.641,123.6562
sgpcmbeC1.c1,2001,0617:30:00,30 ,113.9003,397.9209,320.6431,66.27142
sgpcmbeC1.c1,2001,0618:30:00,30 ,19.80002,186.2766,137.3516,49.89518
sgpcmbeC1.c1,2001,0619:30:00,30 ,       0,36.93402, 20.8153,10.88261
sgpcmbeC1.c1,2001,0620:30:00,30 ,       0,4.079608,0.162292,0.745757
sgpcmbeC1.c1,2001,0621:30:00,30 ,       0,2.808526,0.190437,0.620085
sgpcmbeC1.c1,2001,0622:30:00,30 ,       0,5.972771,0.305736,1.124776
sgpcmbeC1.c1,2001,0623:30:00,30 ,       0,5.117689,0.277215,1.000836