datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,29 ,       0,1621.926,110.6197, 331.047
sgpcmbeC1.c1,2007,07 1:30:00,29 ,       0,2875.463,147.5005,537.0052
sgpcmbeC1.c1,2007,07 2:30:00,29 ,       0,3562.878,162.3055,662.2489
sgpcmbeC1.c1,2007,07 3:30:00,29 ,       0,1088.115,71.11891,215.5952
sgpcmbeC1.c1,2007,07 4:30:00,29 ,       0,326.9762,33.96876,64.36949
sgpcmbeC1.c1,2007,07 5:30:00,29 ,       0, 179.341,32.71221,51.36623
sgpcmbeC1.c1,2007,07 6:30:00,28 ,       0,537.9916,73.90107,128.5508
sgpcmbeC1.c1,2007,07 7:30:00,30 ,       0,580.5227,90.85431, 135.978
sgpcmbeC1.c1,2007,07 8:30:00,30 ,       0,1105.446, 85.9079,207.5863
sgpcmbeC1.c1,2007,07 9:30:00,30 ,       0,336.7347,47.94955,89.31133
sgpcmbeC1.c1,2007,0710:30:00,30 ,       0,503.9201,62.20564,116.5497
sgpcmbeC1.c1,2007,0711:30:00,29 ,2.575032, 861.353, 88.0924,182.8169
sgpcmbeC1.c1,2007,0712:30:00,29 ,0.751779,580.6238,67.43698,129.5936
sgpcmbeC1.c1,2007,0713:30:00,29 ,0.080392,563.0925, 64.4395,132.2096
sgpcmbeC1.c1,2007,0714:30:00,29 ,       0,473.4462,45.93165,95.31278
sgpcmbeC1.c1,2007,0715:30:00,29 ,       0,490.2789,40.17536, 95.0061
sgpcmbeC1.c1,2007,0716:30:00,29 ,       0, 504.179,34.80681,95.14163
sgpcmbeC1.c1,2007,0717:30:00,29 ,       0,783.8421,48.60213,145.8526
sgpcmbeC1.c1,2007,0718:30:00,29 ,       0,802.5409,66.35745,186.4199
sgpcmbeC1.c1,2007,0719:30:00,29 ,       0,883.9623,55.42004,176.1161
sgpcmbeC1.c1,2007,0720:30:00,29 ,       0,486.8678,46.43967,104.4467
sgpcmbeC1.c1,2007,0721:30:00,29 ,       0,325.6898,32.50774,73.86998
sgpcmbeC1.c1,2007,0722:30:00,29 ,       0,699.9361,59.70781,160.4843
sgpcmbeC1.c1,2007,0723:30:00,29 ,       0, 1211.67,79.74653,261.3847