datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,08 6:30:00,31 ,0.002613,0.999318,0.413835,0.380048
sgpcmbeC1.c1,2002,08 7:30:00,31 ,0.000894,       1, 0.53226,0.386459
sgpcmbeC1.c1,2002,08 8:30:00,31 ,0.000628,0.999911,0.599971,0.420083
sgpcmbeC1.c1,2002,08 9:30:00,31 ,0.003737,       1, 0.59871,0.444093
sgpcmbeC1.c1,2002,0810:30:00,31 ,0.000691,       1,0.568658,  0.4335
sgpcmbeC1.c1,2002,0811:30:00,31 ,0.001017,       1,0.501749,0.405149
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.002383,       1,0.502376,0.405255
sgpcmbeC1.c1,2002,0813:30:00,31 ,0.000645,       1,0.474171,0.383531
sgpcmbeC1.c1,2002,0814:30:00,31 ,0.000402,       1,0.520215,0.363362
sgpcmbeC1.c1,2002,0815:30:00,31 ,0.000328,       1,0.501421,0.377375
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.001093,       1,0.474875,0.348393
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.001704,       1,0.379217,0.365737
sgpcmbeC1.c1,2002,0818:30:00,31 ,0.006377,0.999586,0.337564,0.399728
sgpcmbeC1.c1,2002,0819:30:00,5 ,0.014408,       1,0.410482,0.537801
sgpcmbeC1.c1,2002,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0823:30:00,0 ,       .,       .,       .,       .