datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,09 0:30:00,23 , 1.04759,3.892352,2.856342,0.795625
sgpcmbeC1.c1,1996,09 1:30:00,21 ,0.983455,4.067438,2.801088,0.813616
sgpcmbeC1.c1,1996,09 2:30:00,21 ,0.909491,4.036314,2.841074,0.838158
sgpcmbeC1.c1,1996,09 3:30:00,21 ,0.813619,5.343287,2.922886,0.990154
sgpcmbeC1.c1,1996,09 4:30:00,21 ,0.779087,4.110391,2.903559,0.906209
sgpcmbeC1.c1,1996,09 5:30:00,21 ,0.759697,4.532132,2.961745,0.952932
sgpcmbeC1.c1,1996,09 6:30:00,21 ,0.745849,4.401936, 2.97752,0.937757
sgpcmbeC1.c1,1996,09 7:30:00,21 ,0.800784,4.823568,2.984955,0.961253
sgpcmbeC1.c1,1996,09 8:30:00,21 ,0.879171,4.932826,3.015558,1.010672
sgpcmbeC1.c1,1996,09 9:30:00,20 , 0.91346,4.724733, 2.87123,0.871096
sgpcmbeC1.c1,1996,0910:30:00,21 ,1.116735,4.564086,2.933172,0.864702
sgpcmbeC1.c1,1996,0911:30:00,22 , 1.28131,  4.4266,2.939058,0.786768
sgpcmbeC1.c1,1996,0912:30:00,23 ,1.375111,4.169366,2.892495,0.752233
sgpcmbeC1.c1,1996,0913:30:00,23 ,1.291712,4.181623,2.891528,0.793192
sgpcmbeC1.c1,1996,0914:30:00,22 ,1.326536,4.173132,2.861699,0.787178
sgpcmbeC1.c1,1996,0915:30:00,21 ,1.529541,3.990905,2.956535,0.673271
sgpcmbeC1.c1,1996,0916:30:00,21 ,1.686232,4.202648,2.970656,0.675813
sgpcmbeC1.c1,1996,0917:30:00,22 ,1.277887,4.031235,2.876241,0.718492
sgpcmbeC1.c1,1996,0918:30:00,22 ,1.351048,3.799546,2.810817,0.752849
sgpcmbeC1.c1,1996,0919:30:00,22 ,1.413812,3.846557,2.820089,0.773165
sgpcmbeC1.c1,1996,0920:30:00,22 ,1.392433,  4.0002,2.791391,0.759264
sgpcmbeC1.c1,1996,0921:30:00,22 ,1.298479,4.230595,2.760505,0.771929
sgpcmbeC1.c1,1996,0922:30:00,23 ,1.092533,4.495889,2.743924,0.804959
sgpcmbeC1.c1,1996,0923:30:00,23 ,1.055331,4.812359,2.765147,0.851545