date     leadtime location lat   lon   altitude  obs   fcst
20120101 0        11    44    -12   124   9     4
20120101 12       11    44    -12   124   5     5
20120102 0        11    44    -12   124   2     0
20120102 12       11    44    -12   124   11    15
20120103 0        11    44    -12   124   4    -2
20120103 12       11    44    -12   124   1     4
20120101 0        41    42    23    341   -1    0
20120101 12       41    42    23    341   2     1
20120102 0        41    42    23    341   1     5
20120102 12       41    42    23    341   -999  12
20120103 0        41    42    23    341   8     6
#20120103 12       41    42    23    341   14    10
