datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,10 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,10 6:30:00,31 ,       0,10.79672,3.927343,3.650165
sgpcmbeC1.c1,2002,10 7:30:00,31 ,2.669363,40.52997,16.56174,11.61845
sgpcmbeC1.c1,2002,10 8:30:00,31 ,2.425271,67.47825,21.21052,17.77933
sgpcmbeC1.c1,2002,10 9:30:00,31 ,1.729195,90.22422,22.23396,19.33669
sgpcmbeC1.c1,2002,1010:30:00,31 ,0.906978,99.72167, 32.3462,24.56005
sgpcmbeC1.c1,2002,1011:30:00,31 ,0.540137,158.4761,37.52562,34.51459
sgpcmbeC1.c1,2002,1012:30:00,31 ,0.715398,125.7172,37.96423,32.26166
sgpcmbeC1.c1,2002,1013:30:00,31 ,0.427127,120.3318,37.95708,32.29948
sgpcmbeC1.c1,2002,1014:30:00,31 ,1.155896,81.69547,28.07709,23.84961
sgpcmbeC1.c1,2002,1015:30:00,31 ,0.737848,71.66688,20.54738,18.04798
sgpcmbeC1.c1,2002,1016:30:00,31 ,4.001911,54.02884,17.79532,14.27623
sgpcmbeC1.c1,2002,1017:30:00,31 , 0.55871,27.01468,12.40045,7.577895
sgpcmbeC1.c1,2002,1018:30:00,31 ,       0,2.442958,0.317681,0.688788
sgpcmbeC1.c1,2002,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1023:30:00,30 ,       0,       0,       0,       0