datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 6:30:00,31 ,       0, 10.0842,4.131956,3.111046
sgpcmbeC1.c1,2001,10 7:30:00,31 ,17.68127,95.89146,47.27015,16.51496
sgpcmbeC1.c1,2001,10 8:30:00,31 , 51.7102,182.7881,94.26184, 38.8017
sgpcmbeC1.c1,2001,10 9:30:00,31 ,61.17969,235.6905,117.7981,50.24809
sgpcmbeC1.c1,2001,1010:30:00,31 ,66.64179,309.8688,138.3762,68.11466
sgpcmbeC1.c1,2001,1011:30:00,31 ,69.34408,479.0089,169.2955,113.7436
sgpcmbeC1.c1,2001,1012:30:00,31 ,71.86792,371.1339,158.7573,94.41322
sgpcmbeC1.c1,2001,1013:30:00,31 ,68.74509,319.4492,130.4422,72.25811
sgpcmbeC1.c1,2001,1014:30:00,31 ,61.05097,299.8933,120.9975,65.39347
sgpcmbeC1.c1,2001,1015:30:00,31 ,49.38261,255.5319,103.0579,47.23908
sgpcmbeC1.c1,2001,1016:30:00,31 ,28.95609,  123.57,69.07575,22.55105
sgpcmbeC1.c1,2001,1017:30:00,31 ,9.046644,49.11279,24.66108,12.16458
sgpcmbeC1.c1,2001,1018:30:00,31 ,       0, 2.14599,0.365181,0.627403
sgpcmbeC1.c1,2001,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1023:30:00,31 ,       0,       0,       0,       0