Table 4 Statistical result of the ratio between rainfall data and nonrainfall data at the two stations.
From: Short-term rainfall forecast model based on the improved BP–NN algorithm
Type | SNUS | NTUS | ||||
|---|---|---|---|---|---|---|
2010 | 2011 | 2012 | 2010 | 2011 | 2012 | |
Rainfall data (epoch) | 948 | 2469 | 2119 | 2099 | 2314 | 2216 |
Non-rainfall data (epoch) | 54674 | 93025 | 84911 | 90486 | 67624 | 85073 |
Proportion | 1:58 | 1:38 | 1:40 | 1:43 | 1:29 | 1:38 |