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 ,       0,4.869095,0.839779, 1.35573
sgpcmbeC1.c1,2006,10 7:30:00,31 ,       0,111.4364,35.23309, 37.1999
sgpcmbeC1.c1,2006,10 8:30:00,30 ,0.016457, 298.359,121.2944,114.2947
sgpcmbeC1.c1,2006,10 9:30:00,30 ,0.001284,469.9189,200.1625,194.6709
sgpcmbeC1.c1,2006,1010:30:00,31 ,0.132134,597.6253,299.1791,251.0269
sgpcmbeC1.c1,2006,1011:30:00,31 ,0.104576,674.4109,352.2085,288.7862
sgpcmbeC1.c1,2006,1012:30:00,31 ,0.071884,683.6439,408.3665,283.3946
sgpcmbeC1.c1,2006,1013:30:00,31 ,0.038559,638.6628,405.6541,239.5866
sgpcmbeC1.c1,2006,1014:30:00,31 ,       0,542.9891,331.0228,192.3772
sgpcmbeC1.c1,2006,1015:30:00,31 ,       0,381.7802,230.4422,133.1941
sgpcmbeC1.c1,2006,1016:30:00,31 ,       0,213.3438,104.5931,70.53416
sgpcmbeC1.c1,2006,1017:30:00,31 ,       0,51.02289,15.30682,15.67293
sgpcmbeC1.c1,2006,1018:30:00,29 ,       0,0.122584,0.012711,0.031457
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