datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,07 0:30:00,31 ,0.527619, 6.49164,1.761236,1.316872
sgpcmbeC1.c1,2003,07 1:30:00,31 ,0.428813,10.31359,2.103198,2.312677
sgpcmbeC1.c1,2003,07 2:30:00,31 ,0.425911,5.720614,1.848707,1.091182
sgpcmbeC1.c1,2003,07 3:30:00,31 ,0.377772,4.815997,1.838319,1.042036
sgpcmbeC1.c1,2003,07 4:30:00,31 ,0.525053, 7.94474,1.845452,1.723358
sgpcmbeC1.c1,2003,07 5:30:00,31 ,0.401882,7.163737,1.676341,1.334061
sgpcmbeC1.c1,2003,07 6:30:00,31 ,0.674528,8.244044,4.957392,  2.2768
sgpcmbeC1.c1,2003,07 7:30:00,31 ,1.722997,10.11658, 6.64368,2.111324
sgpcmbeC1.c1,2003,07 8:30:00,31 ,1.463047,12.20669, 6.29884,2.082367
sgpcmbeC1.c1,2003,07 9:30:00,31 ,2.242566,10.86013,6.449527,2.171279
sgpcmbeC1.c1,2003,0710:30:00,31 ,2.696157,15.02479,5.781923,2.258555
sgpcmbeC1.c1,2003,0711:30:00,31 ,2.075571,10.93953, 5.57571, 2.23557
sgpcmbeC1.c1,2003,0712:30:00,31 ,2.097573,12.96104, 4.72257,2.564685
sgpcmbeC1.c1,2003,0713:30:00,31 ,1.888876,22.91089,4.681079,3.979245
sgpcmbeC1.c1,2003,0714:30:00,31 ,1.717267,19.75306,6.447424,5.293761
sgpcmbeC1.c1,2003,0715:30:00,31 ,1.892478,15.15206,5.384733,3.730288
sgpcmbeC1.c1,2003,0716:30:00,31 ,1.906296,21.83948,5.675418,4.973516
sgpcmbeC1.c1,2003,0717:30:00,31 , 1.17518,23.74571,4.774157,3.778115
sgpcmbeC1.c1,2003,0718:30:00,31 ,1.758731,7.923709,4.218847,1.287038
sgpcmbeC1.c1,2003,0719:30:00,31 ,2.381305,8.611708,5.209607,1.432445
sgpcmbeC1.c1,2003,0720:30:00,31 ,0.996634,7.170671,3.924096, 1.36851
sgpcmbeC1.c1,2003,0721:30:00,31 ,0.963541,17.63935,3.190886,3.067172
sgpcmbeC1.c1,2003,0722:30:00,31 , 0.87841,5.272766,2.225162,1.169582
sgpcmbeC1.c1,2003,0723:30:00,31 , 0.74818,4.710243,1.927193,0.939901