datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,09 0:30:00,29 ,0.764245,16.31925,2.698491,3.238372
sgpcmbeC1.c1,2007,09 1:30:00,29 ,0.545454,15.23408,2.605739,3.099645
sgpcmbeC1.c1,2007,09 2:30:00,28 , 0.70299,8.540576,2.686639, 2.46088
sgpcmbeC1.c1,2007,09 3:30:00,29 ,0.757558,17.86764,3.445341,3.572665
sgpcmbeC1.c1,2007,09 4:30:00,29 ,0.668351,18.47116,4.622658,4.688286
sgpcmbeC1.c1,2007,09 5:30:00,29 ,0.811964,  16.272,5.034595,4.398528
sgpcmbeC1.c1,2007,09 6:30:00,29 ,0.787153,17.33092,4.271288,4.701332
sgpcmbeC1.c1,2007,09 7:30:00,29 , 1.11299,15.15139,4.883605,4.013663
sgpcmbeC1.c1,2007,09 8:30:00,29 ,1.290038,22.20032,4.441304,4.244311
sgpcmbeC1.c1,2007,09 9:30:00,29 ,0.680798,12.63973,3.984099,2.642151
sgpcmbeC1.c1,2007,0910:30:00,29 ,0.610805,11.44647,3.348449,2.487952
sgpcmbeC1.c1,2007,0911:30:00,29 ,0.924897, 11.6119,3.776472,2.627493
sgpcmbeC1.c1,2007,0912:30:00,29 ,1.269978, 11.0208,3.467403,2.467389
sgpcmbeC1.c1,2007,0913:30:00,29 ,1.426023,25.94123,4.862287,4.915054
sgpcmbeC1.c1,2007,0914:30:00,29 ,1.211802,16.28778,4.486002,3.752999
sgpcmbeC1.c1,2007,0915:30:00,29 ,0.976349,12.97001,3.853863,3.242266
sgpcmbeC1.c1,2007,0916:30:00,29 ,0.858255,18.94019,5.293075,5.966049
sgpcmbeC1.c1,2007,0917:30:00,29 , 0.70104,24.50491,3.842388,4.650098
sgpcmbeC1.c1,2007,0918:30:00,29 ,1.103934,20.77626, 4.56886,4.708898
sgpcmbeC1.c1,2007,0919:30:00,29 ,0.882351,24.32723,3.763098, 5.02325
sgpcmbeC1.c1,2007,0920:30:00,29 ,0.795534,20.72414,2.993323,4.125421
sgpcmbeC1.c1,2007,0921:30:00,29 ,0.680564,17.57585,2.801848,3.378697
sgpcmbeC1.c1,2007,0922:30:00,29 ,0.583096,21.57794,3.184374,4.336106
sgpcmbeC1.c1,2007,0923:30:00,29 ,0.712579,34.52988,3.729338,6.385514