datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,24 ,       0,170.0531,13.43191, 38.5029
sgpcmbeC1.c1,2001,07 1:30:00,24 ,       0,225.5802,16.62346,47.23811
sgpcmbeC1.c1,2001,07 2:30:00,24 ,       0,199.3261,25.78687,58.31677
sgpcmbeC1.c1,2001,07 3:30:00,24 ,       0,160.3671,19.76766,42.54333
sgpcmbeC1.c1,2001,07 4:30:00,24 ,       0,99.39597,15.27396,29.14625
sgpcmbeC1.c1,2001,07 5:30:00,24 ,       0,73.13227,8.914349,17.37831
sgpcmbeC1.c1,2001,07 6:30:00,23 ,       0,224.7779,18.57432,49.13583
sgpcmbeC1.c1,2001,07 7:30:00,24 ,       0,109.9913,10.38825,27.37929
sgpcmbeC1.c1,2001,07 8:30:00,26 ,       0,230.4511,20.28814,48.87009
sgpcmbeC1.c1,2001,07 9:30:00,26 ,       0,  259.27,25.54189,66.82683
sgpcmbeC1.c1,2001,0710:30:00,26 ,       0,93.84456,8.201406,20.69835
sgpcmbeC1.c1,2001,0711:30:00,26 ,       0,82.68436,5.143048,16.21192
sgpcmbeC1.c1,2001,0712:30:00,26 ,       0,368.0002, 21.0674,72.81366
sgpcmbeC1.c1,2001,0713:30:00,26 ,       0,81.12643,8.818948,17.05702
sgpcmbeC1.c1,2001,0714:30:00,25 ,       0,92.43611,7.540399,19.33495
sgpcmbeC1.c1,2001,0715:30:00,25 ,       0,54.81333,5.470691,12.52718
sgpcmbeC1.c1,2001,0716:30:00,25 ,       0,62.10072,  4.6091,13.47795
sgpcmbeC1.c1,2001,0717:30:00,25 ,       0,43.29514,4.787193, 11.4978
sgpcmbeC1.c1,2001,0718:30:00,25 ,       0,233.7931, 11.4182,46.50474
sgpcmbeC1.c1,2001,0719:30:00,25 ,       0,81.57677,4.627526, 16.2947
sgpcmbeC1.c1,2001,0720:30:00,25 ,       0,142.5251,8.596648,28.51223
sgpcmbeC1.c1,2001,0721:30:00,25 ,       0,84.08669,6.386342,17.76703
sgpcmbeC1.c1,2001,0722:30:00,25 ,       0,177.2149,9.364306,35.12768
sgpcmbeC1.c1,2001,0723:30:00,25 ,       0,92.77671,9.779163,24.66916