datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,09 0:30:00,30 ,0.374334,19.56355,3.286801,4.094582
sgpcmbeC1.c1,1999,09 1:30:00,30 , 0.37883,10.24007,3.272374,3.134711
sgpcmbeC1.c1,1999,09 2:30:00,30 ,0.377245,24.37654,4.700968,5.781134
sgpcmbeC1.c1,1999,09 3:30:00,30 ,0.275225,14.03131,3.581429,3.999554
sgpcmbeC1.c1,1999,09 4:30:00,30 ,0.333308,16.35265,3.438511,4.662963
sgpcmbeC1.c1,1999,09 5:30:00,30 ,0.398759,19.74385,3.821028, 5.40294
sgpcmbeC1.c1,1999,09 6:30:00,30 ,0.509065,11.67553,2.406611,3.048785
sgpcmbeC1.c1,1999,09 7:30:00,30 , 0.28409, 18.8667,3.540274,4.374114
sgpcmbeC1.c1,1999,09 8:30:00,30 ,0.341335,10.88677,3.728142, 2.57571
sgpcmbeC1.c1,1999,09 9:30:00,30 ,0.602766,15.76763,3.711261,3.230506
sgpcmbeC1.c1,1999,0910:30:00,30 ,0.401803,9.706677,3.115495, 2.19017
sgpcmbeC1.c1,1999,0911:30:00,30 ,0.697094,16.19073,4.118318, 3.36583
sgpcmbeC1.c1,1999,0912:30:00,30 ,0.667793,9.534934,3.505159,2.460947
sgpcmbeC1.c1,1999,0913:30:00,30 ,0.425099,14.16413,4.062828,3.251661
sgpcmbeC1.c1,1999,0914:30:00,30 ,0.419124,16.02176,4.253181,4.302931
sgpcmbeC1.c1,1999,0915:30:00,30 ,0.693254,14.09647,4.191508,4.135377
sgpcmbeC1.c1,1999,0916:30:00,30 ,0.573621,19.99542,4.327143,4.537401
sgpcmbeC1.c1,1999,0917:30:00,30 ,0.463629,10.84543,3.766484,3.347875
sgpcmbeC1.c1,1999,0918:30:00,30 ,0.401512,18.09082,4.241295,4.491881
sgpcmbeC1.c1,1999,0919:30:00,30 ,0.476856,13.96438, 3.50403,3.282007
sgpcmbeC1.c1,1999,0920:30:00,30 ,0.422045,10.74224,3.308779,2.929807
sgpcmbeC1.c1,1999,0921:30:00,30 ,0.473551,19.55758, 4.24074,4.495199
sgpcmbeC1.c1,1999,0922:30:00,30 ,0.400841, 16.6648,4.138106,4.653988
sgpcmbeC1.c1,1999,0923:30:00,30 ,0.448632,27.99167,4.109784,5.876369