job.setOutputFormatClass(SequenceFileOutputFormat.class);
if (job.waitForCompletion(true)) {
   SequenceFile.Reader.Option fichier =
      SequenceFile.Reader.file(new Path(sortie,"part-r-00000"));
   SequenceFile.Reader reader =
      new SequenceFile.Reader(conf, fichier);
   IntWritable annee = new IntWritable();
   FloatWritable temperature = new FloatWritable();
   while (reader.next(annee, temperature)) {
      System.out.println(annee + " : " + temperature);
   }
   reader.close();
}