datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,28 ,       0,147.8293,15.61321,29.52327
sgpcmbeC1.c1,1998,08 1:30:00,28 ,       0,94.35251,10.62412,20.31544
sgpcmbeC1.c1,1998,08 2:30:00,28 ,       0,329.5191,17.07449,61.62741
sgpcmbeC1.c1,1998,08 3:30:00,27 ,       0, 17.7606,4.926987,5.115575
sgpcmbeC1.c1,1998,08 4:30:00,27 ,       0,27.94967,7.207017,7.611977
sgpcmbeC1.c1,1998,08 5:30:00,26 ,       0,79.58212,10.30545,16.16679
sgpcmbeC1.c1,1998,08 6:30:00,26 ,       0,45.18872,7.377095,10.08558
sgpcmbeC1.c1,1998,08 7:30:00,26 ,       0,80.26517,6.384365,15.57281
sgpcmbeC1.c1,1998,08 8:30:00,27 ,       0,18.53303,5.397632,5.198154
sgpcmbeC1.c1,1998,08 9:30:00,28 ,       0, 101.161,15.01354,27.12619
sgpcmbeC1.c1,1998,0810:30:00,28 ,       0,105.2971,11.90375,22.77797
sgpcmbeC1.c1,1998,0811:30:00,28 ,       0,254.9604,27.27145,57.23204
sgpcmbeC1.c1,1998,0812:30:00,28 ,       0,183.5899,27.65679,42.91866
sgpcmbeC1.c1,1998,0813:30:00,27 ,       0,85.11823,16.71568,23.77745
sgpcmbeC1.c1,1998,0814:30:00,27 ,       0,234.9937,28.29883,52.12114
sgpcmbeC1.c1,1998,0815:30:00,27 ,       0,191.4821,25.17138,47.90748
sgpcmbeC1.c1,1998,0816:30:00,27 ,       0,143.6397,19.61402,37.07324
sgpcmbeC1.c1,1998,0817:30:00,25 ,       0,183.7398,27.47823,52.22686
sgpcmbeC1.c1,1998,0818:30:00,27 ,       0, 83.0577,10.34273,20.15486
sgpcmbeC1.c1,1998,0819:30:00,28 ,       0,157.0288,20.64055,44.47229
sgpcmbeC1.c1,1998,0820:30:00,28 ,       0,139.8169,14.17757,29.41902
sgpcmbeC1.c1,1998,0821:30:00,28 ,       0,73.73166, 11.3438, 19.4601
sgpcmbeC1.c1,1998,0822:30:00,28 ,       0,88.39745,14.40625,22.91238
sgpcmbeC1.c1,1998,0823:30:00,28 ,       0,314.2736,23.44789,61.50593