datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 5:30:00,31 ,       0,5.457513,1.256502,1.459387
sgpcmbeC1.c1,2003,08 6:30:00,31 ,2.539219,118.9817,60.22568,28.50794
sgpcmbeC1.c1,2003,08 7:30:00,31 ,25.66009,295.5719,208.8574,75.02566
sgpcmbeC1.c1,2003,08 8:30:00,31 ,53.54774,515.6573,395.2077,121.8556
sgpcmbeC1.c1,2003,08 9:30:00,31 ,114.1172,672.9178,538.2177,189.6344
sgpcmbeC1.c1,2003,0810:30:00,31 ,101.7348,825.6246,691.3072,193.3046
sgpcmbeC1.c1,2003,0811:30:00,31 , 155.019,957.8442,750.2825,242.2124
sgpcmbeC1.c1,2003,0812:30:00,31 ,163.2509,969.0159,774.1529,238.1812
sgpcmbeC1.c1,2003,0813:30:00,31 ,196.7566,940.3618,753.3508,209.5309
sgpcmbeC1.c1,2003,0814:30:00,31 ,86.72169,847.0758,653.3867,208.5745
sgpcmbeC1.c1,2003,0815:30:00,31 ,79.28667,734.1855,522.2405,180.0802
sgpcmbeC1.c1,2003,0816:30:00,31 ,16.18757,555.7114, 397.609,146.4755
sgpcmbeC1.c1,2003,0817:30:00,31 ,19.65063,337.6174,238.1112,99.79881
sgpcmbeC1.c1,2003,0818:30:00,31 ,4.423622,144.9884,83.97906,39.11796
sgpcmbeC1.c1,2003,0819:30:00,29 ,       0,13.20389,3.786641,3.437069
sgpcmbeC1.c1,2003,0820:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0821:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0823:30:00,31 ,       0,       0,       0,       0