datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,29 ,2.885242,6.359365,4.028781,0.827982
sgpcmbeC1.c1,2007,07 1:30:00,29 ,2.821025,7.112328,4.050621,0.925759
sgpcmbeC1.c1,2007,07 2:30:00,29 ,2.788394,7.395509,4.067481,0.962327
sgpcmbeC1.c1,2007,07 3:30:00,29 ,2.772779,5.756017,3.981668,0.803162
sgpcmbeC1.c1,2007,07 4:30:00,29 ,2.672871,5.004403,3.937829,0.766103
sgpcmbeC1.c1,2007,07 5:30:00,29 ,2.804186,5.129408,3.945244,0.761022
sgpcmbeC1.c1,2007,07 6:30:00,29 ,2.759052,5.803179,3.987646, 0.85396
sgpcmbeC1.c1,2007,07 7:30:00,30 ,2.774276,5.249495, 3.98254,0.764232
sgpcmbeC1.c1,2007,07 8:30:00,30 , 2.76407,5.874667,3.959489,0.762182
sgpcmbeC1.c1,2007,07 9:30:00,30 ,2.870418,5.213115, 3.93414,  0.6832
sgpcmbeC1.c1,2007,0710:30:00,30 ,2.826933, 5.08254,3.954553,0.695014
sgpcmbeC1.c1,2007,0711:30:00,29 ,2.987804,5.695733,4.024318,0.701574
sgpcmbeC1.c1,2007,0712:30:00,29 ,3.029186,4.949554,3.973854,0.590888
sgpcmbeC1.c1,2007,0713:30:00,29 ,3.114511,5.014068,3.997089,0.558919
sgpcmbeC1.c1,2007,0714:30:00,29 ,3.088878,5.012717,4.007633,0.549483
sgpcmbeC1.c1,2007,0715:30:00,29 , 2.95572,5.026356,4.010281,0.493116
sgpcmbeC1.c1,2007,0716:30:00,29 ,2.800165,5.045902,4.003327,0.538875
sgpcmbeC1.c1,2007,0717:30:00,29 , 2.88983,4.988214,4.029031,0.578088
sgpcmbeC1.c1,2007,0718:30:00,29 ,2.944101,5.582873,4.087038,0.633871
sgpcmbeC1.c1,2007,0719:30:00,29 ,2.981057,5.384834,4.057459,0.626012
sgpcmbeC1.c1,2007,0720:30:00,29 ,2.967321,5.157665,4.000911, 0.61685
sgpcmbeC1.c1,2007,0721:30:00,29 ,2.965051,5.135005,3.981361, 0.64663
sgpcmbeC1.c1,2007,0722:30:00,29 ,2.927083,5.788518,3.984611,0.692674
sgpcmbeC1.c1,2007,0723:30:00,29 ,2.916918,7.014686,4.069485,0.895624