| wdt_ID | Year | Average Min. | Average Max. | Total Min.Max. | Mean | No. Years | Cum. Mean | Average |
|---|---|---|---|---|---|---|---|---|
| 1 | 1984 | 1.7 | 12.0 | 13.7 | 6.8 | 1.0 | 6.8 | 6.8 |
| 2 | 1985 | 2.5 | 11.8 | 14.3 | 7.2 | 2.0 | 14.0 | 7.0 |
| 3 | 1986 | 2.9 | 11.3 | 14.2 | 7.1 | 3.0 | 21.1 | 7.0 |
| 4 | 1987 | 2.9 | 12.1 | 15.0 | 7.5 | 4.0 | 28.6 | 7.2 |
| 5 | 1988 | 4.1 | 13.5 | 17.6 | 8.8 | 5.0 | 37.4 | 7.5 |
| 6 | 1989 | 3.9 | 14.2 | 18.1 | 9.0 | 6.0 | 46.4 | 7.7 |
| 7 | 1990 | 3.1 | 15.2 | 18.3 | 9.1 | 7.0 | 55.5 | 7.9 |
| 8 | 1991 | 4.0 | 13.1 | 17.1 | 8.5 | 8.0 | 64.1 | 8.0 |
| 9 | 1992 | 4.5 | 14.3 | 18.7 | 9.4 | 9.0 | 73.4 | 8.2 |
| 10 | 1993 | 4.4 | 13.5 | 17.9 | 9.0 | 10.0 | 82.4 | 8.2 |
| Year | Average Min. | Average Max. | Total Min.Max. | Mean | No. Years | Cum. Mean | Average |
