datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,10 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,10 6:30:00,30 ,       0,12.14364,5.312704,2.982645
sgpcmbeC1.c1,2003,10 7:30:00,30 ,6.299778,31.73372,16.26809,8.316459
sgpcmbeC1.c1,2003,10 8:30:00,30 ,2.651541,63.34827,17.79133, 17.9833
sgpcmbeC1.c1,2003,10 9:30:00,31 ,1.457914,76.04775,22.19773,21.94265
sgpcmbeC1.c1,2003,1010:30:00,31 ,0.575325,85.88455,26.16346,24.88376
sgpcmbeC1.c1,2003,1011:30:00,31 ,0.385667,78.98485,28.15664,26.36348
sgpcmbeC1.c1,2003,1012:30:00,31 , 0.34635,132.1618,32.77309,34.03591
sgpcmbeC1.c1,2003,1013:30:00,31 , 0.50578,159.0329,27.95329,38.50471
sgpcmbeC1.c1,2003,1014:30:00,31 ,0.845152,78.70349,22.49417,23.13448
sgpcmbeC1.c1,2003,1015:30:00,31 ,1.508365,59.64931,16.27898,17.11435
sgpcmbeC1.c1,2003,1016:30:00,31 ,4.009205, 35.5159,14.77501,10.59144
sgpcmbeC1.c1,2003,1017:30:00,31 ,4.619457,36.85364,15.52028,8.046408
sgpcmbeC1.c1,2003,1018:30:00,30 ,       0, 2.92153,0.424923,0.861177
sgpcmbeC1.c1,2003,1019:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1021:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1023:30:00,28 ,       0,       0,       0,       0