datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,0.733412, 0.09414,0.174711
sgpcmbeC1.c1,2002,08 6:30:00,31 ,       0,46.44928,16.81289,12.76928
sgpcmbeC1.c1,2002,08 7:30:00,31 ,       0,68.95437,36.28015,19.02398
sgpcmbeC1.c1,2002,08 8:30:00,31 ,0.036685,168.3202,54.37991,38.84838
sgpcmbeC1.c1,2002,08 9:30:00,31 ,0.008147,171.7514,51.95223, 40.3107
sgpcmbeC1.c1,2002,0810:30:00,31 ,0.493357,293.7419,66.70398,61.20506
sgpcmbeC1.c1,2002,0811:30:00,31 ,0.699168,261.2339,109.3879,89.65825
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.325086,271.2828,112.7123,94.87411
sgpcmbeC1.c1,2002,0813:30:00,31 ,0.657179,317.3311,131.9758,96.20062
sgpcmbeC1.c1,2002,0814:30:00,31 ,0.028032,296.3849,128.1409,89.53968
sgpcmbeC1.c1,2002,0815:30:00,31 ,0.059867,213.0448, 88.8935,57.83851
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.379523, 162.613,69.15576,40.10262
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.011731,113.5733,43.95901,23.16365
sgpcmbeC1.c1,2002,0818:30:00,31 ,0.122432,46.41262,21.86401,12.48264
sgpcmbeC1.c1,2002,0819:30:00,31 ,       0,4.503878,1.044093,1.245871
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,       0,       0,       0