datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 1:30:00,26 ,       0,0.003515,0.000135,0.000689
sgpcmbeC1.c1,2001,11 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 3:30:00,27 ,       0,0.054507,0.002019, 0.01049
sgpcmbeC1.c1,2001,11 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 6:30:00,30 ,       0,0.175474,0.012441, 0.03858
sgpcmbeC1.c1,2001,11 7:30:00,30 ,       0,20.01427, 6.43506,5.913618
sgpcmbeC1.c1,2001,11 8:30:00,30 ,       0,62.93255,30.06938, 18.3465
sgpcmbeC1.c1,2001,11 9:30:00,30 , 2.99629,98.90499,54.72721,29.74669
sgpcmbeC1.c1,2001,1110:30:00,30 ,7.900668,124.9974,71.30017,33.34872
sgpcmbeC1.c1,2001,1111:30:00,30 ,10.41143, 134.568,82.18278,38.85304
sgpcmbeC1.c1,2001,1112:30:00,30 ,15.30672, 142.148,82.87759,37.30223
sgpcmbeC1.c1,2001,1113:30:00,30 , 8.35234, 133.328,72.45927,36.56644
sgpcmbeC1.c1,2001,1114:30:00,30 ,11.76418,109.4974,63.29514,30.59034
sgpcmbeC1.c1,2001,1115:30:00,30 ,9.067355,78.01923,43.40743,22.28643
sgpcmbeC1.c1,2001,1116:30:00,30 ,0.235967,33.30963,18.95995,10.14025
sgpcmbeC1.c1,2001,1117:30:00,30 ,       0,3.358095,0.895621,0.966626
sgpcmbeC1.c1,2001,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1119:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1120:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1121:30:00,28 ,       0,0.000377,0.000013,0.000071
sgpcmbeC1.c1,2001,1122:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1123:30:00,27 ,       0,0.000533, 0.00002,0.000103