datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,21 ,1.325246,4.322022,2.754551,0.860148
sgpcmbeC1.c1,2004,09 1:30:00,22 ,1.373224,4.525673,2.716822,0.850573
sgpcmbeC1.c1,2004,09 2:30:00,22 ,1.399164,4.650069,2.745376,0.839912
sgpcmbeC1.c1,2004,09 3:30:00,21 ,1.372847,4.681499,2.777712,0.866494
sgpcmbeC1.c1,2004,09 4:30:00,22 , 1.32101,4.671316,2.736889,0.855964
sgpcmbeC1.c1,2004,09 5:30:00,22 ,1.329189,4.608816,2.768073,0.871974
sgpcmbeC1.c1,2004,09 6:30:00,22 ,1.352307,4.482344, 2.81914, 0.90001
sgpcmbeC1.c1,2004,09 7:30:00,22 ,1.419949,4.816295,2.818965,0.914646
sgpcmbeC1.c1,2004,09 8:30:00,23 ,1.403134,4.559406,2.721637,0.890082
sgpcmbeC1.c1,2004,09 9:30:00,22 ,1.374032,4.340708,2.726371,0.880208
sgpcmbeC1.c1,2004,0910:30:00,20 ,1.309359,4.217865,2.712441,0.839195
sgpcmbeC1.c1,2004,0911:30:00,21 ,1.322501,4.125739,2.631721,0.832867
sgpcmbeC1.c1,2004,0912:30:00,21 ,1.307834,4.094785,2.649867, 0.86094
sgpcmbeC1.c1,2004,0913:30:00,21 ,1.294677,4.200354,2.687693,0.888716
sgpcmbeC1.c1,2004,0914:30:00,20 ,1.279004,4.040336,2.724099,0.896163
sgpcmbeC1.c1,2004,0915:30:00,20 , 1.36215,3.987862,2.745726,0.881455
sgpcmbeC1.c1,2004,0916:30:00,20 ,1.329395,3.898444, 2.74485,0.858765
sgpcmbeC1.c1,2004,0917:30:00,20 ,1.314295,3.914383,2.701068,0.835437
sgpcmbeC1.c1,2004,0918:30:00,21 , 1.42097,3.952937,2.672002,0.837412
sgpcmbeC1.c1,2004,0919:30:00,22 ,1.464645, 4.02286,2.668546,0.825583
sgpcmbeC1.c1,2004,0920:30:00,22 ,1.508318,4.060589,2.690447,0.829847
sgpcmbeC1.c1,2004,0921:30:00,21 ,1.417243, 4.03939, 2.70264,0.855613
sgpcmbeC1.c1,2004,0922:30:00,21 ,1.281543,4.028134, 2.70176,0.859816
sgpcmbeC1.c1,2004,0923:30:00,20 ,1.272941,4.052186, 2.72996,0.866395