datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,26 ,       0,395.4016,24.50301,78.30427
sgpcmbeC1.c1,2000,07 1:30:00,26 ,       0,50.46377,7.913023,13.15682
sgpcmbeC1.c1,2000,07 2:30:00,25 ,       0,481.4995,25.15271, 96.0916
sgpcmbeC1.c1,2000,07 3:30:00,25 ,       0,126.6038,17.12164,35.72467
sgpcmbeC1.c1,2000,07 4:30:00,27 ,       0, 407.137,26.15193,78.30389
sgpcmbeC1.c1,2000,07 5:30:00,26 ,       0,203.2594,22.10705,48.88419
sgpcmbeC1.c1,2000,07 6:30:00,24 ,       0,304.9313,27.60141,68.82006
sgpcmbeC1.c1,2000,07 7:30:00,25 ,       0,323.5096,34.32385,74.57094
sgpcmbeC1.c1,2000,07 8:30:00,28 ,       0,165.3972,20.37367,39.85634
sgpcmbeC1.c1,2000,07 9:30:00,27 ,       0,86.10378,10.64857,20.04288
sgpcmbeC1.c1,2000,0710:30:00,27 ,       0,35.91985,8.322023,9.961693
sgpcmbeC1.c1,2000,0711:30:00,26 ,       0, 24.1821,5.621078,7.924685
sgpcmbeC1.c1,2000,0712:30:00,26 ,       0,56.39319,6.892515, 12.6419
sgpcmbeC1.c1,2000,0713:30:00,26 ,       0,133.1555,11.94952,26.55284
sgpcmbeC1.c1,2000,0714:30:00,26 ,       0,27.09943,5.769573,7.178199
sgpcmbeC1.c1,2000,0715:30:00,26 ,       0,56.75546,8.827967,12.95093
sgpcmbeC1.c1,2000,0716:30:00,26 ,       0,53.37798,6.691695,12.46065
sgpcmbeC1.c1,2000,0717:30:00,26 ,       0,28.47525,5.788309,6.988512
sgpcmbeC1.c1,2000,0718:30:00,28 ,       0,92.19163,7.907563,17.29155
sgpcmbeC1.c1,2000,0719:30:00,27 ,       0, 16.6237,5.601295,5.150358
sgpcmbeC1.c1,2000,0720:30:00,28 ,       0,18.58497,4.747637,5.263846
sgpcmbeC1.c1,2000,0721:30:00,28 ,       0,  16.678,4.910711,5.339947
sgpcmbeC1.c1,2000,0722:30:00,27 ,       0,61.06557,8.742211,15.50466
sgpcmbeC1.c1,2000,0723:30:00,27 ,       0, 89.0964,10.91882,20.60918