datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,12 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,12 7:30:00,3 ,0.013065,0.013442,0.013217,0.000199
sgpcmbeC1.c1,2004,12 8:30:00,31 ,0.012005,0.999503,0.234081,0.392412
sgpcmbeC1.c1,2004,12 9:30:00,31 ,0.008942,       1,0.334173,0.410595
sgpcmbeC1.c1,2004,1210:30:00,31 , 0.00843,       1,0.303221, 0.41215
sgpcmbeC1.c1,2004,1211:30:00,31 ,0.010182,       1,0.291134,0.423758
sgpcmbeC1.c1,2004,1212:30:00,31 ,0.014064,0.999983,0.309131,0.413085
sgpcmbeC1.c1,2004,1213:30:00,31 ,0.012779,0.999916,0.290141,0.413068
sgpcmbeC1.c1,2004,1214:30:00,31 ,0.009169,0.999845, 0.32957,0.431847
sgpcmbeC1.c1,2004,1215:30:00,31 ,0.006975,0.999211,0.312374,0.392446
sgpcmbeC1.c1,2004,1216:30:00,31 ,0.007282,0.994489,0.289695,0.378575
sgpcmbeC1.c1,2004,1217:30:00,2 ,0.008939,0.545359,0.277149,0.379306
sgpcmbeC1.c1,2004,1218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1223:30:00,0 ,       .,       .,       .,       .