Table showing the Temperature, Rainfall, and Depth of Flood-water below the Falls of San Antonio on the Madeira River, from Observations taken by the Author in 1873.
| Month. | Average Temperature. | Rainfall in inches. | Flood-water in feet. | |
|---|---|---|---|---|
| Lowest. | Highest. | |||
| January | 75° | 83° | 15·85 | 34 |
| February | 73° | 82° | 10·97 | 42 |
| March | 74° | 82° | 14·59 | 46 |
| April | 73° | 83° | 11·01 | 42 |
| May | 73° | 83° | 5·96 | 35 |
| June | 70° | 85° | 2·56 | 27 |
| July | 71° | 87° | 0·32 | 21 |
| August | 71° | 88° | 1·07 | 15 |
| September | 72° | 88° | 5·70 | 7 |
| October | 73° | 88° | 1·94 | 9 |
| November | 73° | 84° | 11·32 | 9 |
| December | 74° | 86° | 10·03 | 27 |