datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,09 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,09 2:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,09 3:30:00,26 ,       0,0.033029, 0.00127,0.006478
sgpcmbeC1.c1,2005,09 4:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,09 5:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,09 6:30:00,30 ,2.149224,11.26441,7.038043,2.569341
sgpcmbeC1.c1,2005,09 7:30:00,30 ,1.844729,19.46276,12.28618,3.629039
sgpcmbeC1.c1,2005,09 8:30:00,30 ,9.151742,33.35236, 15.2753, 7.87451
sgpcmbeC1.c1,2005,09 9:30:00,30 ,5.571651,40.85571,15.49199,10.35288
sgpcmbeC1.c1,2005,0910:30:00,30 ,2.211189,44.89645,14.75928,12.26659
sgpcmbeC1.c1,2005,0911:30:00,30 ,1.402876,35.95201,13.78472,12.69232
sgpcmbeC1.c1,2005,0912:30:00,30 ,0.595722,47.58381, 12.5571,13.14258
sgpcmbeC1.c1,2005,0913:30:00,30 ,1.294855,47.58942,12.40335,13.12023
sgpcmbeC1.c1,2005,0914:30:00,30 ,4.362883,42.85455,16.68004,14.24655
sgpcmbeC1.c1,2005,0915:30:00,30 ,6.043726,42.80869,14.63938,10.30823
sgpcmbeC1.c1,2005,0916:30:00,30 ,1.172292,30.60795,12.78653,6.709127
sgpcmbeC1.c1,2005,0917:30:00,30 ,1.649236,21.22939,13.04372,4.184602
sgpcmbeC1.c1,2005,0918:30:00,30 ,0.409598, 9.32198,4.367382,2.769037
sgpcmbeC1.c1,2005,0919:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0920:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0921:30:00,26 ,       0,0.038603,0.001515,0.007566
sgpcmbeC1.c1,2005,0922:30:00,27 ,       0,0.137917,0.005225,0.026526
sgpcmbeC1.c1,2005,0923:30:00,26 ,       0,0.047805,0.001839,0.009375