The rainfall prediction estimate is based upon the data of 10 years.

The estimator has five options to select from:

1) High temparature - between 36 to 34
2) Moderate high temparature - between 34 to 32
3) Moderate temparature - between 32 to 30
4) Moderate low temparature - between 30 to 28
5) Low temparature -between 28 to 26