datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,24 ,2.833815, 5.39246,4.135925, 0.75363
sgpcmbeC1.c1,2001,07 1:30:00,24 ,2.644612,5.597552,4.146215,0.785637
sgpcmbeC1.c1,2001,07 2:30:00,24 ,2.674765,5.672731,4.153703,0.791548
sgpcmbeC1.c1,2001,07 3:30:00,24 ,2.802836,5.416305,4.125231,0.732131
sgpcmbeC1.c1,2001,07 4:30:00,24 ,  2.9662,5.319343,4.114739,0.703417
sgpcmbeC1.c1,2001,07 5:30:00,24 ,3.072224,5.307366,4.116743,0.669023
sgpcmbeC1.c1,2001,07 6:30:00,23 ,3.080026,5.268252,4.133201, 0.68673
sgpcmbeC1.c1,2001,07 7:30:00,24 ,2.989263,5.165717,4.072773,0.655005
sgpcmbeC1.c1,2001,07 8:30:00,26 ,3.032788,5.189328,4.052772,0.657378
sgpcmbeC1.c1,2001,07 9:30:00,26 ,3.019672,5.241194,4.026371, 0.67736
sgpcmbeC1.c1,2001,0710:30:00,26 ,2.966919,5.288118,4.017218,0.676713
sgpcmbeC1.c1,2001,0711:30:00,26 ,2.889397,5.341015,4.019577,0.675599
sgpcmbeC1.c1,2001,0712:30:00,26 ,2.840173,5.699587,4.085637,0.705645
sgpcmbeC1.c1,2001,0713:30:00,26 ,3.059725,5.437963,4.133537,0.666513
sgpcmbeC1.c1,2001,0714:30:00,25 ,3.050884,5.148214,4.104213,0.607559
sgpcmbeC1.c1,2001,0715:30:00,25 ,2.872114,5.137824,4.131523,0.635151
sgpcmbeC1.c1,2001,0716:30:00,25 , 3.01808,5.301443,4.188589,0.641803
sgpcmbeC1.c1,2001,0717:30:00,25 ,3.081652,5.377092,4.205307,0.680667
sgpcmbeC1.c1,2001,0718:30:00,25 ,3.045453,5.651688,4.269373,0.729803
sgpcmbeC1.c1,2001,0719:30:00,25 ,3.031394,5.744115,4.248906,0.725566
sgpcmbeC1.c1,2001,0720:30:00,25 ,3.148786,5.721805,4.249613,0.711136
sgpcmbeC1.c1,2001,0721:30:00,25 ,3.148247,5.584181,4.232834,0.676246
sgpcmbeC1.c1,2001,0722:30:00,25 ,3.116155,5.549013,4.201669,0.683785
sgpcmbeC1.c1,2001,0723:30:00,25 ,2.976786,5.435167,4.164324,0.718113