0 0 NO PRECIPITATION
1 1 LIGHT INTERMITTENT
2 2 MODERATE INTERMITTENT
3 3 HEAVY INTERMITTENT
4 4 VERY HEAVY INTERMITTENT
5 5 LIGHT CONTINUOUS
6 6 MODERATE CONTINUOUS
7 7 VERY HEAVY CONTINUOUS
9 9 VARIABLE-ALTERNATIVELY LIGHT AND HEAVY
15 15 MISSING VALUE
