datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,10 6:30:00,31 ,       0,7.980904,1.677053,1.904431
sgpcmbeC1.c1,2004,10 7:30:00,31 ,       0,19.12403,8.642065,6.495379
sgpcmbeC1.c1,2004,10 8:30:00,31 ,0.926045,31.08345,8.877783,6.211656
sgpcmbeC1.c1,2004,10 9:30:00,31 ,0.780301,32.62855,11.83965,8.118207
sgpcmbeC1.c1,2004,1010:30:00,31 ,1.175667,38.48755,11.39527,9.757388
sgpcmbeC1.c1,2004,1011:30:00,31 ,0.678924,43.32999,13.21436,13.29586
sgpcmbeC1.c1,2004,1012:30:00,31 ,0.511241,40.17398,10.54326, 10.5025
sgpcmbeC1.c1,2004,1013:30:00,31 ,2.347351,50.54115,15.18693,12.11341
sgpcmbeC1.c1,2004,1014:30:00,31 ,2.461257,51.03742,15.99091,12.67861
sgpcmbeC1.c1,2004,1015:30:00,31 ,1.903258,43.85027,14.90824,9.904246
sgpcmbeC1.c1,2004,1016:30:00,31 , 0.77307,27.64638,10.04669,6.839755
sgpcmbeC1.c1,2004,1017:30:00,31 ,0.267022, 14.3928,5.919821,4.018099
sgpcmbeC1.c1,2004,1018:30:00,31 ,       0,1.020035,0.073883,  0.2379
sgpcmbeC1.c1,2004,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2004,1023:30:00,31 ,       0,0.048086,0.001551,0.008636