Table 2. Description of the features in the rainfall classification dataset.
| No | Feature | Description | Unit | Data type | Min | Max | Mean | Std Dev |
|---|---|---|---|---|---|---|---|---|
| 1 | Date | The date of weather observation | m/d/y | Date | 11/1/2007 | 6/25/2017 | – | – |
| 2 | Location | The meteorological station location | – | String | Adelaide, Albany, Albury, …, Woomera | |||
| 3 | MinTemp | The lowest temperature recorded for a particular day | °C | Numeric | −8.50 | 33.90 | 12.19 | 6.40 |
| 4 | MaxTemp | The highest temperature recorded for a particular day | °C | Numeric | −4.80 | 48.10 | 23.23 | 7.12 |
| 5 | Rainfall | The amount of rainfall recorded for the day | mm | Numeric | 0 | 371.00 | 2.35 | 8.47 |
| 6 | Evaporation | The Class A pan evaporation in the 24 h until 9 am | mm | Numeric | 0 | 145.00 | 5.47 | 4.19 |
| 7 | Sunshine | The number of hours that the sun is brightly shining during the day | Hours | Numeric | 0 | 14.50 | 7.62 | 3.78 |
| 8 | WindGustDir | The direction of the strongest wind blowing in the 24 h to midnight | – | Categoric | E, W, N, S, ENE, ESE, WNW, WSW, NE, NW, NNE, NNW, SE, SW, SSE, SSW | |||
| 9 | WindGustSpeed | The speed of the strongest wind gust in the 24 h to midnight | km/h | Numeric | 6.00 | 135.00 | 39.98 | 13.59 |
| 10 | WindDir3pm | The direction of the wind at 3 pm | – | Categoric | E, W, N, S, ENE, ESE, WNW, WSW, NE, NW, NNE, NNW, SE, SW, SSE, SSW | |||
| 11 | WindDir9am | The direction of the wind at 9 am | – | Categoric | E, W, N, S, ENE, ESE, WNW, WSW, NE, NW, NNE, NNW, SE, SW, SSE, SSW | |||
| 12 | WindSpeed3pm | Wind speed averaged over 10 min before 3 pm | km/h | Numeric | 0 | 87.00 | 18.64 | 8.80 |
| 13 | WindSpeed9am | Wind speed averaged over 10 min before 9 am | km/h | Numeric | 0 | 130.00 | 14.00 | 8.89 |
| 14 | Humidity3pm | The percentage of relative humidity at 3 pm | % | Numeric | 0 | 100.00 | 51.48 | 20.80 |
| 15 | Humidity9am | The percentage of relative humidity at 9 am | % | Numeric | 0 | 100.00 | 68.84 | 19.05 |
| 16 | Pressure3pm | Atmospheric pressure reduced to mean sea level at 3 pm | hpa | Numeric | 977.10 | 1,039.60 | 1,015.26 | 7.04 |
| 17 | Pressure9am | Atmospheric pressure reduced to mean sea level at 9 am | hpa | Numeric | 980.50 | 1,041.00 | 1,017.65 | 7.11 |
| 18 | Cloud3pm | Cloud-obscured fraction of the sky at 3 pm | oktas | Numeric | 0 | 9.00 | 4.50 | 2.72 |
| 19 | Cloud9am | Cloud-obscured fraction of the sky at 9 am | oktas | Numeric | 0 | 9.00 | 4.44 | 2.89 |
| 20 | Temp3pm | Observed temperature at 3 pm | °C | Numeric | −5.40 | 46.70 | 21.69 | 6.94 |
| 21 | Temp9am | Observed temperature at 9 am | °C | Numeric | −7.20 | 40.20 | 16.99 | 6.49 |
| 22 | RainToday | If the precipitation in the 24 h to 9 am exceeds 1mm, the value is “yes”; otherwise, the value is “no”. | – | Binary | Yes, no | |||
| 23 | RainTomorrow (target) |
Whether it will rain tomorrow or not. | – | Binary | Yes, no (classes) | |||