datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,08 0:30:00,29 ,       0,54.28514,11.08371,16.56383
sgpcmbeC1.c1,1997,08 1:30:00,29 ,       0,98.79108,14.36602,25.04118
sgpcmbeC1.c1,1997,08 2:30:00,28 ,       0,139.5729,18.39853,35.70808
sgpcmbeC1.c1,1997,08 3:30:00,28 ,       0, 115.757,23.50784,39.20372
sgpcmbeC1.c1,1997,08 4:30:00,29 ,       0,229.6648,31.70396,54.37894
sgpcmbeC1.c1,1997,08 5:30:00,30 ,       0,155.6984,36.10092,54.72731
sgpcmbeC1.c1,1997,08 6:30:00,28 ,       0,177.1143, 24.9676,50.10484
sgpcmbeC1.c1,1997,08 7:30:00,29 ,       0, 189.726,21.80683,44.76825
sgpcmbeC1.c1,1997,08 8:30:00,30 ,       0,262.9441,40.53266,71.02091
sgpcmbeC1.c1,1997,08 9:30:00,29 ,       0,156.0351,26.02207,39.57977
sgpcmbeC1.c1,1997,0810:30:00,28 ,       0,149.0293,19.59925,32.73337
sgpcmbeC1.c1,1997,0811:30:00,29 ,       0,68.62642,18.63758,25.26477
sgpcmbeC1.c1,1997,0812:30:00,29 ,       0,158.9073,20.81384, 33.9191
sgpcmbeC1.c1,1997,0813:30:00,29 ,       0,162.4321,23.55248,43.20782
sgpcmbeC1.c1,1997,0814:30:00,29 ,       0,146.0705,16.31147,31.65547
sgpcmbeC1.c1,1997,0815:30:00,28 ,       0,85.85934,15.33436, 21.0682
sgpcmbeC1.c1,1997,0816:30:00,28 ,       0,229.3348,22.18832,48.18229
sgpcmbeC1.c1,1997,0817:30:00,29 ,       0,55.85754,6.822952, 11.8443
sgpcmbeC1.c1,1997,0818:30:00,28 ,       0,47.21129,6.618075,11.44637
sgpcmbeC1.c1,1997,0819:30:00,29 ,       0,240.9263,11.54838,44.66871
sgpcmbeC1.c1,1997,0820:30:00,29 ,       0,132.0416,11.07567,27.62846
sgpcmbeC1.c1,1997,0821:30:00,29 ,       0,124.2548,11.71259,24.53012
sgpcmbeC1.c1,1997,0822:30:00,29 ,       0,211.6668,20.32158,46.74309
sgpcmbeC1.c1,1997,0823:30:00,29 ,       0,124.7849,21.14885,35.30699