datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,0.621053,12.12386,2.605285,2.814051
sgpcmbeC1.c1,2007,08 1:30:00,31 ,0.839001,15.57009,2.655878, 3.57138
sgpcmbeC1.c1,2007,08 2:30:00,31 ,0.900415,17.76906,2.472816,3.141545
sgpcmbeC1.c1,2007,08 3:30:00,31 ,0.936068,11.25374,2.795608,2.547428
sgpcmbeC1.c1,2007,08 4:30:00,31 ,0.815211,10.44574,2.948264,2.506538
sgpcmbeC1.c1,2007,08 5:30:00,31 ,0.921646,15.45822,2.786458,2.803989
sgpcmbeC1.c1,2007,08 6:30:00,31 ,0.860915,10.94226,2.525181,1.920266
sgpcmbeC1.c1,2007,08 7:30:00,31 , 1.39862, 18.8309,4.114689,3.442966
sgpcmbeC1.c1,2007,08 8:30:00,31 ,1.516908,13.58384,3.996438,2.993024
sgpcmbeC1.c1,2007,08 9:30:00,31 , 1.20411,10.96077,3.652176, 2.12036
sgpcmbeC1.c1,2007,0810:30:00,31 ,1.489834,16.11659,4.135602,3.200164
sgpcmbeC1.c1,2007,0811:30:00,31 ,1.049897,8.807208,3.182444,1.466167
sgpcmbeC1.c1,2007,0812:30:00,31 ,1.453121,15.90517,3.935686,3.222931
sgpcmbeC1.c1,2007,0813:30:00,31 ,1.458224, 10.5942,3.538785,1.852656
sgpcmbeC1.c1,2007,0814:30:00,31 ,1.228456,11.60992,3.671182,2.557588
sgpcmbeC1.c1,2007,0815:30:00,31 ,1.167089,13.41836,3.382467,2.695097
sgpcmbeC1.c1,2007,0816:30:00,31 ,1.076831,12.79836,2.917357,2.360694
sgpcmbeC1.c1,2007,0817:30:00,31 ,0.950496,8.007471,2.530003,1.844965
sgpcmbeC1.c1,2007,0818:30:00,31 ,0.954414,10.57532,2.823044,1.719881
sgpcmbeC1.c1,2007,0819:30:00,31 ,0.955648,6.203637,2.935293,1.162889
sgpcmbeC1.c1,2007,0820:30:00,31 ,0.679287,11.02741,2.532677,1.926154
sgpcmbeC1.c1,2007,0821:30:00,31 ,0.742609,4.037907,1.812356,0.799107
sgpcmbeC1.c1,2007,0822:30:00,31 ,0.958048,8.816363,2.538678,1.774292
sgpcmbeC1.c1,2007,0823:30:00,31 ,0.693162,7.793534,   2.596,2.326017