datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,28 ,       0,1.298263,0.256284,0.377201
sgpcmbeC1.c1,1998,11 1:30:00,27 ,       0,0.650964, 0.16006,0.214986
sgpcmbeC1.c1,1998,11 2:30:00,28 ,       0,1.080208,0.216418,0.309053
sgpcmbeC1.c1,1998,11 3:30:00,29 ,       0, 1.00036,0.253357, 0.30664
sgpcmbeC1.c1,1998,11 4:30:00,29 ,       0,1.494007,0.276763,0.389674
sgpcmbeC1.c1,1998,11 5:30:00,29 ,       0,1.698362,0.268303,0.440186
sgpcmbeC1.c1,1998,11 6:30:00,29 ,       0,1.417947,0.392754,0.373806
sgpcmbeC1.c1,1998,11 7:30:00,29 ,0.103869,38.53701,9.668344,10.96746
sgpcmbeC1.c1,1998,11 8:30:00,29 ,0.001461, 191.822,75.68643,69.45525
sgpcmbeC1.c1,1998,11 9:30:00,29 ,0.016357,351.9041,157.3414,142.3393
sgpcmbeC1.c1,1998,1110:30:00,29 ,0.002022,472.3758,225.0632,204.4592
sgpcmbeC1.c1,1998,1111:30:00,29 ,0.027313,544.1432, 258.481,235.2913
sgpcmbeC1.c1,1998,1112:30:00,29 ,0.027126, 559.981,270.8923, 241.165
sgpcmbeC1.c1,1998,1113:30:00,29 ,0.009163,511.9625,243.9306,217.5542
sgpcmbeC1.c1,1998,1114:30:00,29 ,0.034576,407.3299,190.9563,167.4026
sgpcmbeC1.c1,1998,1115:30:00,29 ,0.019043,262.6104,121.5974,102.8891
sgpcmbeC1.c1,1998,1116:30:00,29 ,       0,97.73634,37.11949,37.02389
sgpcmbeC1.c1,1998,1117:30:00,30 ,0.046817,4.473872,1.218269,1.067858
sgpcmbeC1.c1,1998,1118:30:00,29 ,0.001427,1.268378,0.363749,0.324293
sgpcmbeC1.c1,1998,1119:30:00,29 ,0.004719,  1.4371, 0.38172,0.376818
sgpcmbeC1.c1,1998,1120:30:00,29 ,       0,1.576381,0.403262,0.444506
sgpcmbeC1.c1,1998,1121:30:00,29 ,       0,1.373264,0.282605,0.358287
sgpcmbeC1.c1,1998,1122:30:00,29 ,       0,1.385396,0.364008,0.440067
sgpcmbeC1.c1,1998,1123:30:00,28 ,       0,1.143495,0.256535,0.270327