datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,24 ,0.010803,0.477337,0.058853,0.093577
sgpcmbeC1.c1,2001,04 1:30:00,23 ,0.011882,0.125803,0.043588,0.029255
sgpcmbeC1.c1,2001,04 2:30:00,20 ,0.014797,0.323604,0.058136,0.068595
sgpcmbeC1.c1,2001,04 3:30:00,20 ,0.011332,0.114035,0.041469,0.030365
sgpcmbeC1.c1,2001,04 4:30:00,21 , 0.01581,0.076512,0.030515,0.016089
sgpcmbeC1.c1,2001,04 5:30:00,20 ,0.011304,0.098747,0.034966,0.024393
sgpcmbeC1.c1,2001,04 6:30:00,20 ,0.011967,0.158387,0.045012,0.043603
sgpcmbeC1.c1,2001,04 7:30:00,20 , 0.00982,0.182819,0.043719,0.038561
sgpcmbeC1.c1,2001,04 8:30:00,25 ,0.011562,0.144374,0.044009,0.037452
sgpcmbeC1.c1,2001,04 9:30:00,26 ,0.011964,0.215087,0.047745,0.043423
sgpcmbeC1.c1,2001,0410:30:00,26 ,0.013957,0.156624,0.041855, 0.03603
sgpcmbeC1.c1,2001,0411:30:00,26 ,0.024749,0.128854,0.048559,  0.0251
sgpcmbeC1.c1,2001,0412:30:00,26 ,0.016862,0.254827,0.068345,0.056883
sgpcmbeC1.c1,2001,0413:30:00,26 ,  0.0232,0.213399,0.066772,0.044449
sgpcmbeC1.c1,2001,0414:30:00,27 ,0.020435,0.368058,0.068217, 0.06949
sgpcmbeC1.c1,2001,0415:30:00,26 ,0.013323,0.154978,0.051742,0.031783
sgpcmbeC1.c1,2001,0416:30:00,26 ,0.016913,0.137971,0.054197,0.037225
sgpcmbeC1.c1,2001,0417:30:00,26 ,0.019256,  0.1625, 0.05199,0.032486
sgpcmbeC1.c1,2001,0418:30:00,26 ,0.012168,0.243797, 0.05719,0.056716
sgpcmbeC1.c1,2001,0419:30:00,26 ,0.014252,0.126172,0.048628,0.035255
sgpcmbeC1.c1,2001,0420:30:00,26 ,0.012541,0.271994, 0.06683,0.067732
sgpcmbeC1.c1,2001,0421:30:00,26 ,0.014217,0.834759,0.081419,0.157106
sgpcmbeC1.c1,2001,0422:30:00,26 , 0.01095,0.258222,0.055111,0.053568
sgpcmbeC1.c1,2001,0423:30:00,26 ,0.011982,0.573607,0.063867,0.108233