datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,07 5:30:00,31 ,       0,27.41593,9.866183,6.642006
sgpcmbeC1.c1,2007,07 6:30:00,31 ,       0,163.3559,90.10877,46.26464
sgpcmbeC1.c1,2007,07 7:30:00,31 ,11.81138,358.3063,213.9254,115.9217
sgpcmbeC1.c1,2007,07 8:30:00,31 ,22.11137,576.8235,399.6874,162.7374
sgpcmbeC1.c1,2007,07 9:30:00,31 ,139.3646,724.9025, 560.848,182.9585
sgpcmbeC1.c1,2007,0710:30:00,31 ,205.2625,876.1211,676.6029,206.3526
sgpcmbeC1.c1,2007,0711:30:00,31 ,182.3682,973.5898,674.6724,231.2321
sgpcmbeC1.c1,2007,0712:30:00,31 ,271.2874,1007.531,704.2931,249.8291
sgpcmbeC1.c1,2007,0713:30:00,31 ,55.88988,964.0381,642.5101,273.2651
sgpcmbeC1.c1,2007,0714:30:00,30 ,30.17346, 885.887,618.9769,233.8557
sgpcmbeC1.c1,2007,0715:30:00,31 ,62.45423,785.8616,554.9781, 216.368
sgpcmbeC1.c1,2007,0716:30:00,31 ,115.6609,594.1772,428.3415, 137.987
sgpcmbeC1.c1,2007,0717:30:00,31 ,97.40477,380.1572,296.5135,82.13054
sgpcmbeC1.c1,2007,0718:30:00,31 ,43.39297,221.2224,141.2261,45.44862
sgpcmbeC1.c1,2007,0719:30:00,31 ,4.197903,36.78706,21.94379,9.608937
sgpcmbeC1.c1,2007,0720:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0723:30:00,31 ,       0,       0,       0,       0