datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,05 1:30:00,31 ,       0,0.282775,0.009122,0.050788
sgpcmbeC1.c1,2000,05 2:30:00,31 ,       0, 0.09456, 0.00305,0.016983
sgpcmbeC1.c1,2000,05 3:30:00,31 ,       0,0.143886,0.004641,0.025843
sgpcmbeC1.c1,2000,05 4:30:00,31 ,       0,0.068001,0.002194,0.012213
sgpcmbeC1.c1,2000,05 5:30:00,30 ,       0,8.350639, 3.44284,3.257974
sgpcmbeC1.c1,2000,05 6:30:00,25 ,       0,23.27514,9.712632,6.170101
sgpcmbeC1.c1,2000,05 7:30:00,23 ,2.430026,35.92586,12.01045,5.795868
sgpcmbeC1.c1,2000,05 8:30:00,23 ,4.550239,29.84828, 11.5623,6.228236
sgpcmbeC1.c1,2000,05 9:30:00,23 , 4.12332,43.87667,11.41325,10.50512
sgpcmbeC1.c1,2000,0510:30:00,22 ,0.950473,34.88578,10.99127,9.567418
sgpcmbeC1.c1,2000,0511:30:00,23 , 0.86016, 61.8282,17.25211,17.57194
sgpcmbeC1.c1,2000,0512:30:00,23 ,0.543397,51.35946,15.03821,18.12647
sgpcmbeC1.c1,2000,0513:30:00,23 ,1.030742,50.35849,17.37572,15.91341
sgpcmbeC1.c1,2000,0514:30:00,23 ,2.697125,39.13328,14.65178,12.24281
sgpcmbeC1.c1,2000,0515:30:00,23 ,4.318867, 46.6712,15.45398,11.43897
sgpcmbeC1.c1,2000,0516:30:00,23 ,3.406031,36.03269,16.59169, 10.4068
sgpcmbeC1.c1,2000,0517:30:00,23 ,2.367729,23.39619,12.71608,5.242779
sgpcmbeC1.c1,2000,0518:30:00,27 ,       0,16.51101,8.676133,5.514653
sgpcmbeC1.c1,2000,0519:30:00,30 ,       0,6.814189,2.744314,2.279935
sgpcmbeC1.c1,2000,0520:30:00,30 ,       0,0.809706, 0.03819,0.158087
sgpcmbeC1.c1,2000,0521:30:00,30 ,       0,0.415419, 0.02106,0.079675
sgpcmbeC1.c1,2000,0522:30:00,30 ,       0,1.038437,0.041784,0.192285
sgpcmbeC1.c1,2000,0523:30:00,30 ,       0,0.253265,0.010711,0.047465