datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,12 7:30:00,5 ,       0,0.838042,  0.2074,0.359322
sgpcmbeC1.c1,2000,12 8:30:00,31 ,       0,0.999059,0.492132,0.446146
sgpcmbeC1.c1,2000,12 9:30:00,31 ,       0,       1,0.534907,0.462119
sgpcmbeC1.c1,2000,1210:30:00,31 ,       0,       1, 0.46769, 0.44513
sgpcmbeC1.c1,2000,1211:30:00,31 ,       0,       1,0.467187,0.459227
sgpcmbeC1.c1,2000,1212:30:00,31 ,0.000048,       1, 0.51717,0.471498
sgpcmbeC1.c1,2000,1213:30:00,31 ,0.000032,       1,0.450444,0.449838
sgpcmbeC1.c1,2000,1214:30:00,31 ,0.000016,       1, 0.41836,0.452661
sgpcmbeC1.c1,2000,1215:30:00,31 ,0.000024,       1,0.409972,0.470803
sgpcmbeC1.c1,2000,1216:30:00,31 ,0.000056,0.999856, 0.37175,0.418934
sgpcmbeC1.c1,2000,1217:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,1223:30:00,0 ,       .,       .,       .,       .