| wdt_ID | Year | Average Min. | Average Max. | Total Min.Max. | Mean | No. Years | Cum. Mean | Average |
|---|---|---|---|---|---|---|---|---|
| 1 | 1984 | 9.5 | 22.3 | 31.7 | 15.9 | 1.0 | 15.9 | 15.9 |
| 2 | 1985 | 9.2 | 19.3 | 28.5 | 14.3 | 2.0 | 30.1 | 15.1 |
| 3 | 1986 | 9.1 | 20.2 | 29.3 | 14.7 | 3.0 | 44.8 | 14.9 |
| 4 | 1987 | 9.5 | 20.4 | 29.9 | 15.0 | 4.0 | 59.8 | 14.9 |
| 5 | 1988 | 9.5 | 19.1 | 28.7 | 14.3 | 5.0 | 74.1 | 14.8 |
| 6 | 1989 | 9.7 | 23.4 | 33.1 | 16.5 | 6.0 | 90.6 | 15.1 |
| 7 | 1990 | 10.0 | 22.0 | 32.0 | 16.0 | 7.0 | 106.6 | 15.2 |
| 8 | 1991 | 9.9 | 20.5 | 30.4 | 15.2 | 8.0 | 121.8 | 15.2 |
| 9 | 1992 | 10.3 | 20.8 | 31.0 | 15.5 | 9.0 | 137.3 | 15.3 |
| 10 | 1993 | 9.0 | 20.8 | 29.9 | 14.9 | 10.0 | 152.2 | 15.2 |
| Year | Average Min. | Average Max. | Total Min.Max. | Mean | No. Years | Cum. Mean | Average |
