datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,27 ,       0,226.4123,16.26524,47.26993
sgpcmbeC1.c1,2000,07 1:30:00,27 ,       0, 168.834,13.97312, 35.1017
sgpcmbeC1.c1,2000,07 2:30:00,26 ,       0,157.0067,17.27306,40.62205
sgpcmbeC1.c1,2000,07 3:30:00,26 ,       0,82.75973,9.268021,21.57748
sgpcmbeC1.c1,2000,07 4:30:00,28 ,       0,177.8709,27.13757,49.83751
sgpcmbeC1.c1,2000,07 5:30:00,26 ,       0,183.4088,22.86491,50.17761
sgpcmbeC1.c1,2000,07 6:30:00,24 ,       0, 203.479,22.90293,56.34373
sgpcmbeC1.c1,2000,07 7:30:00,26 ,       0,216.4512,27.67717,52.83573
sgpcmbeC1.c1,2000,07 8:30:00,28 ,       0,141.9055,24.61342,47.44205
sgpcmbeC1.c1,2000,07 9:30:00,28 ,       0,129.5641,15.46787,33.76125
sgpcmbeC1.c1,2000,0710:30:00,28 ,       0,83.75981,10.47218,17.95447
sgpcmbeC1.c1,2000,0711:30:00,27 ,       0,40.17048,6.381743,10.82047
sgpcmbeC1.c1,2000,0712:30:00,27 ,       0, 45.4239,7.656277,12.74052
sgpcmbeC1.c1,2000,0713:30:00,27 ,       0,172.5369,15.91344,34.22566
sgpcmbeC1.c1,2000,0714:30:00,27 ,       0, 103.047,12.47678,23.72343
sgpcmbeC1.c1,2000,0715:30:00,27 ,       0,74.02173, 11.4901,19.57558
sgpcmbeC1.c1,2000,0716:30:00,27 ,       0,107.5744,7.972045,21.50789
sgpcmbeC1.c1,2000,0717:30:00,27 ,       0,51.95322,5.826094,11.21744
sgpcmbeC1.c1,2000,0718:30:00,30 ,       0,79.77218,4.776742,14.64762
sgpcmbeC1.c1,2000,0719:30:00,30 ,       0,71.46912,5.408262,13.39843
sgpcmbeC1.c1,2000,0720:30:00,30 ,       0,19.04011,2.207236,3.856428
sgpcmbeC1.c1,2000,0721:30:00,30 ,       0,19.01357,2.303538,4.194657
sgpcmbeC1.c1,2000,0722:30:00,28 ,       0,119.8964,9.600793,25.22933
sgpcmbeC1.c1,2000,0723:30:00,28 ,       0,238.9535,  16.383,47.51765