datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 5:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 6:30:00,31 ,       0,22.31417, 5.58323,5.545975
sgpcmbeC1.c1,2006,10 7:30:00,31 ,4.012877,51.15288,18.27572,12.70113
sgpcmbeC1.c1,2006,10 8:30:00,30 ,2.069143,62.80257,19.22699,17.34971
sgpcmbeC1.c1,2006,10 9:30:00,30 ,0.797744, 123.902,23.98505,27.02817
sgpcmbeC1.c1,2006,1010:30:00,31 ,0.841805,116.8572,34.21449,35.76729
sgpcmbeC1.c1,2006,1011:30:00,31 ,0.520151,122.1064,24.74239,30.08305
sgpcmbeC1.c1,2006,1012:30:00,31 ,0.743013,139.8298,30.92376,40.50158
sgpcmbeC1.c1,2006,1013:30:00,31 ,1.056448,133.7281, 31.0719, 40.6842
sgpcmbeC1.c1,2006,1014:30:00,31 ,1.166201, 82.9755,23.90385, 24.8752
sgpcmbeC1.c1,2006,1015:30:00,31 ,1.595162,77.88129,17.77547,20.72512
sgpcmbeC1.c1,2006,1016:30:00,31 ,4.092145,61.98978,13.28311,12.42797
sgpcmbeC1.c1,2006,1017:30:00,31 ,3.711633,24.97887,13.62154,5.940524
sgpcmbeC1.c1,2006,1018:30:00,29 ,       0,7.790085,0.669341,1.737924
sgpcmbeC1.c1,2006,1019:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1021:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1023:30:00,29 ,       0,       0,       0,       0